{"id":16566,"date":"2022-05-23T10:00:43","date_gmt":"2022-05-23T03:00:43","guid":{"rendered":"https:\/\/www.fiahub.com\/blog\/?p=16566"},"modified":"2022-07-31T22:11:42","modified_gmt":"2022-07-31T15:11:42","slug":"bao-ve-bitcoin-cua-ban-bang-coldcard-va-hat-giong-tich-hop-xor","status":"publish","type":"post","link":"https:\/\/www.fiahub.com\/blog\/bao-ve-bitcoin-cua-ban-bang-coldcard-va-hat-giong-tich-hop-xor\/","title":{"rendered":"B\u1ea3o v\u1ec7 Bitcoin c\u1ee7a b\u1ea1n b\u1eb1ng Coldcard v\u00e0 h\u1ea1t gi\u1ed1ng t\u00edch h\u1ee3p XOR"},"content":{"rendered":"<p><span style=\"font-weight: 400;\">H\u01b0\u1edbng d\u1eabn n\u00e0y tr\u00ecnh b\u00e0y m\u1ecdi th\u1ee9 b\u1ea1n c\u1ea7n bi\u1ebft \u0111\u1ec3 b\u1ea3o m\u1eadt kh\u00f3a c\u00e1 nh\u00e2n <a href=\"https:\/\/www.fiahub.com\">Bitcoin<\/a> c\u1ee7a m\u00ecnh b\u1eb1ng v\u00ed ph\u1ea7n c\u1ee9ng Coldcard v\u00e0 ph\u01b0\u01a1ng ph\u00e1p Seed XOR t\u00edch h\u1ee3p c\u1ee7a n\u00f3. V\u1edbi ph\u01b0\u01a1ng ph\u00e1p n\u00e0y, b\u1ea1n c\u00f3 th\u1ec3 chia c\u1ee5m t\u1eeb h\u1ea1t gi\u1ed1ng d\u1ef1 ph\u00f2ng c\u1ee7a m\u00ecnh th\u00e0nh nhi\u1ec1u ph\u1ea7n ho\u1ea1t \u0111\u1ed9ng gi\u1ed1ng nh\u01b0 c\u00e1c c\u1ee5m t\u1eeb h\u1ea1t gi\u1ed1ng 24 t\u1eeb ho\u00e0n ch\u1ec9nh c\u1ee7a ri\u00eang ch\u00fang. \u0110i\u1ec1u n\u00e0y m\u1edf ra m\u1ed9t lo\u1ea1t c\u00e1c kh\u1ea3 n\u0103ng v\u00e0 bi\u1ec7n ph\u00e1p b\u1ea3o v\u1ec7 \u0111\u1ec3 b\u1ea3o v\u1ec7 bitcoin c\u1ee7a b\u1ea1n.<\/span><\/p>\n<figure id=\"attachment_16574\" aria-describedby=\"caption-attachment-16574\" style=\"width: 900px\" class=\"wp-caption aligncenter\"><img fetchpriority=\"high\" decoding=\"async\" class=\"wp-image-16574\" src=\"https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-24.jpg\" alt=\"Bitcoin, BTC, crypto\" width=\"900\" height=\"433\" srcset=\"https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-24.jpg 1400w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-24-300x144.jpg 300w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-24-1024x493.jpg 1024w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-24-150x72.jpg 150w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-24-768x370.jpg 768w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-24-450x217.jpg 450w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-24-1200x578.jpg 1200w\" sizes=\"(max-width: 900px) 100vw, 900px\" \/><figcaption id=\"caption-attachment-16574\" class=\"wp-caption-text\">Coldcard v\u1edbi Seed XOR m\u1edf ra nhi\u1ec1u kh\u1ea3 n\u0103ng \u0111\u1ec3 b\u1ea3o v\u1ec7 Bitcoin c\u1ee7a b\u1ea1n.<\/figcaption><\/figure>\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_83 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\"><p class=\"ez-toc-title\" style=\"cursor:inherit\">N\u1ed9i dung b\u00e0i vi\u1ebft<\/p>\n<\/div><nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.fiahub.com\/blog\/bao-ve-bitcoin-cua-ban-bang-coldcard-va-hat-giong-tich-hop-xor\/#CO_SO_VE_TU_TUY_CHINH_VA_GIU_BITCOIN_AN_TOAN\" >C\u01a0 S\u1ede V\u1ec0 T\u1ef0 T\u00d9Y CH\u1ec8NH V\u00c0 GI\u1eee BITCOIN AN TO\u00c0N<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.fiahub.com\/blog\/bao-ve-bitcoin-cua-ban-bang-coldcard-va-hat-giong-tich-hop-xor\/#BUOC_MOT_NGUYEN_VAT_LIEU\" >B\u01af\u1edaC M\u1ed8T: NGUY\u00caN V\u1eacT LI\u1ec6U<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.fiahub.com\/blog\/bao-ve-bitcoin-cua-ban-bang-coldcard-va-hat-giong-tich-hop-xor\/#BUOC_HAI_KIEM_TRA_COLDCARD_MOI_CUA_BAN\" >B\u01af\u1edaC HAI: KI\u1ec2M TRA COLDCARD M\u1edaI C\u1ee6A B\u1ea0N<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.fiahub.com\/blog\/bao-ve-bitcoin-cua-ban-bang-coldcard-va-hat-giong-tich-hop-xor\/#BUOC_BA_NANG_CAP_PHAN_MEM\" >B\u01af\u1edaC BA: N\u00c2NG C\u1ea4P PH\u1ea6N M\u1ec0M<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.fiahub.com\/blog\/bao-ve-bitcoin-cua-ban-bang-coldcard-va-hat-giong-tich-hop-xor\/#BUOC_BON_THIET_LAP_PIN\" >B\u01af\u1edaC B\u1ed0N: THI\u1ebeT L\u1eacP PIN<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.fiahub.com\/blog\/bao-ve-bitcoin-cua-ban-bang-coldcard-va-hat-giong-tich-hop-xor\/#BUOC_NAM_TAO_GIAI_DOAN_HAT_GIONG\" >B\u01af\u1edaC N\u0102M: T\u1ea0O GIAI \u0110O\u1ea0N H\u1ea0T GI\u1ed0NG<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.fiahub.com\/blog\/bao-ve-bitcoin-cua-ban-bang-coldcard-va-hat-giong-tich-hop-xor\/#BUOC_SAU_TAO_MOT_PASSPHRASE\" >B\u01af\u1edaC S\u00c1U: T\u1ea0O M\u1ed8T PASSPHRASE<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/www.fiahub.com\/blog\/bao-ve-bitcoin-cua-ban-bang-coldcard-va-hat-giong-tich-hop-xor\/#BUOC_BAY_NAM_GIUA_HAT_GIONG_BANG_SEED_XOR\" >B\u01af\u1edaC B\u1ea2Y: N\u1eaeM GI\u1eeeA H\u1ea0T GI\u1ed0NG B\u1eb0NG SEED XOR<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/www.fiahub.com\/blog\/bao-ve-bitcoin-cua-ban-bang-coldcard-va-hat-giong-tich-hop-xor\/#BUOC_TAM_CAC_MAT_PHUC_HOI_THEP\" >B\u01af\u1edaC T\u00c1M: C\u00c1C M\u1eb6T PH\u1ee4C H\u1ed2I TH\u00c9P<\/a><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"CO_SO_VE_TU_TUY_CHINH_VA_GIU_BITCOIN_AN_TOAN\"><\/span><span style=\"font-weight: 400;\">C\u01a0 S\u1ede V\u1ec0 T\u1ef0 T\u00d9Y CH\u1ec8NH V\u00c0 GI\u1eee BITCOIN AN TO\u00c0N<\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Ch\u00e0o m\u1eebng b\u1ea1n \u0111\u1ebfn v\u1edbi th\u1ebf gi\u1edbi tuy\u1ec7t v\u1eddi c\u1ee7a quy\u1ec1n t\u1ef1 qu\u1ea3n, \u0111\u00e2y l\u00e0 n\u01a1i quy lu\u1eadt c\u1ee7a con ng\u01b0\u1eddi v\u00e0 quy lu\u1eadt to\u00e1n h\u1ecdc va ch\u1ea1m trong cu\u1ed9c chi\u1ebfn tranh gi\u00e0nh s\u1ef1 gi\u00e0u c\u00f3 \u0111\u01b0\u1ee3c b\u1ea3o m\u1eadt b\u1eb1ng m\u1eadt m\u00e3 c\u1ee7a b\u1ea1n.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">C\u00f3 m\u1ed9t s\u1ed1 l\u00fd do kh\u00e1c nhau m\u00e0 m\u1ecdi ng\u01b0\u1eddi t\u00ecm th\u1ea5y ch\u00ednh h\u1ecd \u1edf \u0111\u00e2y; m\u1ed9t s\u1ed1 nh\u1eadn ra r\u1ee7i ro li\u00ean quan \u0111\u1ebfn ng\u01b0\u1eddi gi\u00e1m s\u00e1t b\u00ean th\u1ee9 ba \u0111\u00e1ng tin c\u1eady; nh\u1eefng ng\u01b0\u1eddi kh\u00e1c bi\u1ebft r\u1eb1ng ch\u00ednh quy\u1ec1n c\u00f3 nh\u1eefng g\u00ec c\u1ea7n thi\u1ebft \u0111\u1ec3 l\u1ea5y nh\u1eefng g\u00ec b\u1ea1n c\u00f3; v\u00e0 m\u1ed9t s\u1ed1 \u00edt hi\u1ec3u r\u1eb1ng l\u1ea1m ph\u00e1t l\u00e0 vi\u1ec7c \u0111\u00e1nh thu\u1ebf m\u00e0 kh\u00f4ng c\u00f3 \u0111\u1ea1i di\u1ec7n v\u00e0 t\u1ecbch thu c\u1ee7a c\u1ea3i m\u00e0 kh\u00f4ng c\u00f3 quy tr\u00ecnh ph\u00e1p l\u00fd h\u1ee3p ph\u00e1p, \u0111\u01b0\u1ee3c th\u00fac \u0111\u1ea9y b\u1edfi m\u1ed9t k\u1ebf ho\u1ea1ch ph\u1ee9c t\u1ea1p gi\u1eefa B\u1ed9 T\u00e0i ch\u00ednh Hoa K\u1ef3 v\u00e0 C\u1ee5c D\u1ef1 tr\u1eef Li\u00ean bang nh\u1eb1m c\u1ed1 g\u1eafng gi\u1eef cho nh\u1eefng ng\u01b0\u1eddi gi\u00e0u c\u00f3 quy\u1ec1n l\u1ef1c v\u00e0 nh\u1eefng ng\u01b0\u1eddi kh\u00e1c ph\u1ea3i n\u00f4 l\u1ec7 cho n\u1ee3 n\u1ea7n v\u00e0 ti\u00eau d\u00f9ng v\u0129nh vi\u1ec5n.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">V\u00ec b\u1ea5t k\u1ef3 l\u00fd do g\u00ec b\u1ea1n th\u1ea5y m\u00ecnh \u1edf \u0111\u00e2y, h\u00e3y \u0111i s\u00e2u v\u00e0o vi\u1ec7c b\u1ea3o m\u1eadt bitcoin c\u1ee7a b\u1ea1n theo c\u00e1ch b\u1ea3o v\u1ec7 kh\u1ecfi c\u00e1c m\u1ed1i nguy m\u00f4i tr\u01b0\u1eddng, t\u1ecbch thu v\u00e0 t\u1ecbch thu, nh\u1eb1m gi\u1ea3m b\u1edbt s\u1ef1 tin t\u01b0\u1edfng v\u00e0 \u0111\u01b0a ra kh\u1ea3 n\u0103ng ph\u1ee7 nh\u1eadn h\u1ee3p l\u00fd.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">H\u01b0\u1edbng d\u1eabn n\u00e0y b\u1eaft \u0111\u1ea7u v\u1edbi ph\u1ea7n thi\u1ebft l\u1eadp ban \u0111\u1ea7u d\u00e0nh cho ng\u01b0\u1eddi d\u00f9ng m\u1edbi. N\u1ebfu b\u1ea1n \u0111\u00e3 c\u00f3 thi\u1ebft l\u1eadp Coldcard, th\u00ec b\u1ea1n c\u00f3 th\u1ec3 chuy\u1ec3n th\u1eb3ng \u0111\u1ebfn \u201cB\u01b0\u1edbc 7: T\u00e1ch c\u1ee5m t\u1eeb h\u1ea1t gi\u1ed1ng b\u1eb1ng h\u1ea1t gi\u1ed1ng XOR\u201d.<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"BUOC_MOT_NGUYEN_VAT_LIEU\"><\/span><span style=\"font-weight: 400;\">B\u01af\u1edaC M\u1ed8T: NGUY\u00caN V\u1eacT LI\u1ec6U<\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">M\u1eb7c d\u00f9 c\u00f3 m\u1ed9t s\u1ed1 v\u00ed ph\u1ea7n c\u1ee9ng \u0111\u1ec3 l\u1ef1a ch\u1ecdn, nh\u01b0ng b\u1ea1n c\u00f3 th\u1ec3 xem 10 l\u00fd do h\u00e0ng \u0111\u1ea7u c\u1ee7a t\u00f4i \u0111\u1ec3 s\u1eed d\u1ee5ng Coldcard t\u1ea1i \u0111\u00e2y. \u1ede m\u1ee9c t\u1ed1i thi\u1ec3u \u0111\u1ec3 l\u00e0m theo h\u01b0\u1edbng d\u1eabn n\u00e0y, b\u1ea1n s\u1ebd c\u1ea7n:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">M\u1ed9t th\u1ebb l\u1ea1nh<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Ba khu\u00f4n h\u1ea1t b\u1eb1ng th\u00e9p kh\u00f4ng g\u1ec9<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">M\u1ed9t c\u00fa \u0111\u1ea5m c\u00f3 l\u00f2 xo<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">M\u1ed9t b\u1ed9 \u0111i\u1ec1u h\u1ee3p ngu\u1ed3n l\u1ea1nh<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">M\u1ed9t th\u1ebb nh\u1edb microSD<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">M\u1ed9t c\u00e1p USB-to-micro-USB<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">M\u1ed9t \u0111i\u1ec3m \u0111\u00e1nh d\u1ea5u v\u0129nh vi\u1ec5n<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">M\u1ed9t c\u00e2y b\u00fat m\u1ef1c<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">M\u1ed9t con x\u00fac x\u1eafc c\u00e2n b\u1eb1ng<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">M\u1ed9t pin ch\u00edn v\u00f4n<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">M\u1ed9t th\u1ebb d\u1ef1 ph\u00f2ng v\u00ed (\u0111i k\u00e8m v\u1edbi Coldcard)<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">M\u1ed9t c\u00e1i m\u00e1y t\u00ednh c\u00f3 k\u1ebft n\u1ed1i internet<\/span><\/li>\n<\/ul>\n<figure id=\"attachment_16575\" aria-describedby=\"caption-attachment-16575\" style=\"width: 900px\" class=\"wp-caption aligncenter\"><img decoding=\"async\" class=\"wp-image-16575\" src=\"https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a2-7.jpg\" alt=\"Bitcoin, BTC, crypto\" width=\"900\" height=\"636\" srcset=\"https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a2-7.jpg 1400w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a2-7-300x212.jpg 300w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a2-7-1024x723.jpg 1024w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a2-7-150x106.jpg 150w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a2-7-768x543.jpg 768w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a2-7-450x318.jpg 450w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a2-7-1200x848.jpg 1200w\" sizes=\"(max-width: 900px) 100vw, 900px\" \/><figcaption id=\"caption-attachment-16575\" class=\"wp-caption-text\">\u1ede m\u1ee9c t\u1ed1i thi\u1ec3u \u0111\u1ec3 l\u00e0m theo h\u01b0\u1edbng d\u1eabn n\u00e0y, b\u1ea1n s\u1ebd c\u1ea7n nh\u1eefng v\u1eadt d\u1ee5ng n\u00e0y.<\/figcaption><\/figure>\n<p><span style=\"font-weight: 400;\">N\u1ebfu b\u1ea1n ch\u01b0a l\u00e0m nh\u01b0 v\u1eady, b\u1ea1n c\u00f3 th\u1ec3 \u0111\u1eb7t mua b\u1ed9 SeedXOR t\u1eeb Coinkite \u0111i k\u00e8m v\u1edbi Coldcard, th\u1ebb nh\u1edb microSD c\u00f4ng nghi\u1ec7p, ba t\u1ea5m d\u1ef1 ph\u00f2ng b\u1eb1ng th\u00e9p kh\u00f4ng g\u1ec9 v\u00e0 t\u00fai b\u1ea3o m\u1eadt.<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"BUOC_HAI_KIEM_TRA_COLDCARD_MOI_CUA_BAN\"><\/span><span style=\"font-weight: 400;\">B\u01af\u1edaC HAI: KI\u1ec2M TRA COLDCARD M\u1edaI C\u1ee6A B\u1ea0N<\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Khi nh\u1eadn \u0111\u01b0\u1ee3c Coldcard c\u1ee7a b\u1ea1n, h\u00e3y \u0111\u1ea3m b\u1ea3o r\u1eb1ng t\u00fai c\u00f3 b\u1eb1ng ch\u1ee9ng gi\u1ea3 m\u1ea1o kh\u00f4ng b\u1ecb x\u00e2m ph\u1ea1m.<\/span><\/p>\n<p><img decoding=\"async\" class=\"size-full wp-image-16576 aligncenter\" src=\"https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-25.jpg\" alt=\"Bitcoin, BTC, Crypto\" width=\"2000\" height=\"1364\" srcset=\"https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-25.jpg 2000w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-25-300x205.jpg 300w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-25-1024x698.jpg 1024w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-25-150x102.jpg 150w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-25-768x524.jpg 768w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-25-1536x1048.jpg 1536w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-25-450x307.jpg 450w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-25-1200x818.jpg 1200w\" sizes=\"(max-width: 2000px) 100vw, 2000px\" \/> <img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-16577 aligncenter\" src=\"https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a2-8.jpg\" alt=\"\" width=\"2000\" height=\"1500\" srcset=\"https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a2-8.jpg 2000w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a2-8-300x225.jpg 300w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a2-8-1024x768.jpg 1024w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a2-8-150x113.jpg 150w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a2-8-768x576.jpg 768w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a2-8-1536x1152.jpg 1536w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a2-8-450x338.jpg 450w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a2-8-1200x900.jpg 1200w\" sizes=\"(max-width: 2000px) 100vw, 2000px\" \/> <img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-16578 aligncenter\" src=\"https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a3-3.jpg\" alt=\"\" width=\"2000\" height=\"1356\" srcset=\"https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a3-3.jpg 2000w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a3-3-300x203.jpg 300w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a3-3-1024x694.jpg 1024w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a3-3-150x102.jpg 150w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a3-3-768x521.jpg 768w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a3-3-1536x1041.jpg 1536w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a3-3-450x305.jpg 450w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a3-3-1200x814.jpg 1200w\" sizes=\"(max-width: 2000px) 100vw, 2000px\" \/> <img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-16579 aligncenter\" src=\"https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a4-2.jpg\" alt=\"\" width=\"2000\" height=\"1560\" srcset=\"https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a4-2.jpg 2000w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a4-2-300x234.jpg 300w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a4-2-1024x799.jpg 1024w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a4-2-150x117.jpg 150w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a4-2-768x599.jpg 768w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a4-2-1536x1198.jpg 1536w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a4-2-450x351.jpg 450w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a4-2-1200x936.jpg 1200w\" sizes=\"(max-width: 2000px) 100vw, 2000px\" \/><\/p>\n<p><span style=\"font-weight: 400;\">B\u1ea1n s\u1ebd th\u1ea5y d\u00f2ng ch\u1eef &#8220;void&#8221; r\u00f5 r\u00e0ng l\u00e0 gi\u1ea3 m\u1ea1o xu\u1ea5t hi\u1ec7n khi con d\u1ea5u \u0111\u01b0\u1ee3c m\u1edf ra.<\/span><\/p>\n<figure id=\"attachment_16580\" aria-describedby=\"caption-attachment-16580\" style=\"width: 900px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-16580\" src=\"https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-26.jpg\" alt=\"Bitcoin, BTC, crypto\" width=\"900\" height=\"483\" srcset=\"https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-26.jpg 1400w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-26-300x161.jpg 300w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-26-1024x549.jpg 1024w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-26-150x80.jpg 150w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-26-768x412.jpg 768w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-26-450x241.jpg 450w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-26-1200x644.jpg 1200w\" sizes=\"(max-width: 900px) 100vw, 900px\" \/><figcaption id=\"caption-attachment-16580\" class=\"wp-caption-text\">B\u1ea1n s\u1ebd th\u1ea5y d\u00f2ng ch\u1eef &#8220;void&#8221; r\u00f5 r\u00e0ng l\u00e0 gi\u1ea3 m\u1ea1o xu\u1ea5t hi\u1ec7n khi con d\u1ea5u \u0111\u01b0\u1ee3c m\u1edf ra.<\/figcaption><\/figure>\n<p><span style=\"font-weight: 400;\">B\u00ean trong, b\u1ea1n s\u1ebd t\u00ecm th\u1ea5y th\u1ebb Coldcard m\u1edbi c\u1ee7a m\u00ecnh, th\u1ebb d\u1ef1 ph\u00f2ng kh\u00f4i ph\u1ee5c v\u00ed, (c\u00e1c) nh\u00e3n d\u00e1n v\u00e0 m\u1ed9t b\u1ea3n sao b\u1ed5 sung c\u1ee7a s\u1ed1 t\u00fai ph\u1ea3i kh\u1edbp v\u1edbi s\u1ed1 t\u00fai \u0111\u01b0\u1ee3c in b\u00ean ngo\u00e0i t\u00fai.<\/span><\/p>\n<figure id=\"attachment_16581\" aria-describedby=\"caption-attachment-16581\" style=\"width: 900px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-16581\" src=\"https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-27.jpg\" alt=\"Bitcoin, BTC, crypto\" width=\"900\" height=\"625\" srcset=\"https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-27.jpg 1400w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-27-300x208.jpg 300w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-27-1024x711.jpg 1024w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-27-150x104.jpg 150w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-27-768x533.jpg 768w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-27-450x312.jpg 450w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-27-1200x833.jpg 1200w\" sizes=\"(max-width: 900px) 100vw, 900px\" \/><figcaption id=\"caption-attachment-16581\" class=\"wp-caption-text\">B\u00ean trong t\u00fai t\u1eeb Coinkite.<\/figcaption><\/figure>\n<p><span style=\"font-weight: 400;\">\u0110\u00e2y l\u00e0 h\u00ecnh \u1ea3nh \u0111\u1ec3 gi\u00fap b\u1ea1n t\u00ecm ra c\u00e1ch \u0111i\u1ec1u h\u01b0\u1edbng c\u1ee7a Coldcard. B\u1ea1n lu\u00f4n c\u00f3 th\u1ec3 nh\u1ea5n gi\u1eef c\u00e1c m\u0169i t\u00ean &#8220;up&#8221; ho\u1eb7c &#8220;down&#8221; khi cu\u1ed9n.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">S\u1eed d\u1ee5ng v\u00ed ph\u1ea7n c\u1ee9ng Coldcard v\u1edbi Seed XOR, b\u1ea1n c\u00f3 th\u1ec3 t\u00e1ch c\u1ee5m t\u1eeb h\u1ea1t gi\u1ed1ng d\u1ef1 ph\u00f2ng c\u1ee7a m\u00ecnh v\u00e0 b\u1ea3o v\u1ec7 t\u1ed1t h\u01a1n bitcoin c\u1ee7a b\u1ea1n kh\u1ecfi tai n\u1ea1n v\u00e0 c\u00e1c t\u00e1c nh\u00e2n x\u1ea5u.<\/span><\/p>\n<figure id=\"attachment_16582\" aria-describedby=\"caption-attachment-16582\" style=\"width: 1400px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-16582\" src=\"https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-8.png\" alt=\"Bitcoin, BTC, crypto\" width=\"1400\" height=\"829\" srcset=\"https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-8.png 1400w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-8-300x178.png 300w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-8-1024x606.png 1024w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-8-150x89.png 150w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-8-768x455.png 768w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-8-450x266.png 450w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-8-1200x711.png 1200w\" sizes=\"(max-width: 1400px) 100vw, 1400px\" \/><figcaption id=\"caption-attachment-16582\" class=\"wp-caption-text\">T\u00ecm hi\u1ec3u \u0111i\u1ec1u h\u01b0\u1edbng c\u1ee7a Coldcard c\u1ee7a b\u1ea1n.<\/figcaption><\/figure>\n<h2><span class=\"ez-toc-section\" id=\"BUOC_BA_NANG_CAP_PHAN_MEM\"><\/span><span style=\"font-weight: 400;\">B\u01af\u1edaC BA: N\u00c2NG C\u1ea4P PH\u1ea6N M\u1ec0M<\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">M\u1ed9t trong nh\u1eefng t\u00ednh n\u0103ng t\u1ed1t nh\u1ea5t c\u1ee7a Coldcard theo \u00fd ki\u1ebfn c\u1ee7a t\u00f4i l\u00e0 n\u00f3 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng theo c\u00e1ch ho\u00e0n to\u00e0n kh\u00f4ng c\u00f3 ga, c\u00f3 ngh\u0129a l\u00e0 b\u1ea1n kh\u00f4ng bao gi\u1edd ph\u1ea3i k\u1ebft n\u1ed1i n\u00f3 v\u1edbi m\u00e1y t\u00ednh, m\u1eb7c d\u00f9 c\u00f3 t\u00f9y ch\u1ecdn \u0111\u00f3 n\u1ebfu b\u1ea1n ch\u1ecdn s\u1eed d\u1ee5ng n\u00f3. T\u00f4i th\u00edch s\u1eed d\u1ee5ng pin ch\u00edn v\u00f4n v\u1edbi b\u1ed9 chuy\u1ec3n \u0111\u1ed5i ColdPower.<\/span><\/p>\n<figure id=\"attachment_16583\" aria-describedby=\"caption-attachment-16583\" style=\"width: 900px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-16583\" src=\"https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-28.jpg\" alt=\"Bitcoin, BTC, crypto\" width=\"900\" height=\"559\" srcset=\"https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-28.jpg 1400w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-28-300x186.jpg 300w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-28-1024x636.jpg 1024w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-28-150x93.jpg 150w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-28-768x477.jpg 768w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-28-450x279.jpg 450w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-28-1200x745.jpg 1200w\" sizes=\"(max-width: 900px) 100vw, 900px\" \/><figcaption id=\"caption-attachment-16583\" class=\"wp-caption-text\">S\u1eed d\u1ee5ng Coldcard theo c\u00e1ch ho\u00e0n to\u00e0n k\u00edn \u0111\u00e1o.<\/figcaption><\/figure>\n<p><span style=\"font-weight: 400;\">\u0110\u1ea7u ti\u00ean, h\u00e3y \u0111\u1ecdc v\u00e0 ch\u1ea5p nh\u1eadn c\u00e1c \u0111i\u1ec1u kho\u1ea3n mua b\u00e1n v\u00e0 s\u1eed d\u1ee5ng. Sau \u0111\u00f3, b\u1ea1n s\u1ebd \u0111\u01b0\u1ee3c y\u00eau c\u1ea7u x\u00e1c nh\u1eadn s\u1ed1 t\u00fai.<\/span><\/p>\n<figure id=\"attachment_16584\" aria-describedby=\"caption-attachment-16584\" style=\"width: 900px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-16584\" src=\"https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-29.jpg\" alt=\"Bitcoin, BTC, crypto\" width=\"900\" height=\"675\" srcset=\"https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-29.jpg 1400w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-29-300x225.jpg 300w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-29-1024x768.jpg 1024w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-29-150x113.jpg 150w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-29-768x576.jpg 768w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-29-450x338.jpg 450w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-29-1200x900.jpg 1200w\" sizes=\"(max-width: 900px) 100vw, 900px\" \/><figcaption id=\"caption-attachment-16584\" class=\"wp-caption-text\">B\u1ea1n s\u1ebd \u0111\u01b0\u1ee3c y\u00eau c\u1ea7u x\u00e1c nh\u1eadn s\u1ed1 t\u00fai.<\/figcaption><\/figure>\n<p><span style=\"font-weight: 400;\">Ti\u1ebfp theo, ch\u1ecdn &#8220;Advanced&#8221; r\u1ed3i cu\u1ed9n xu\u1ed1ng &#8220;Upgrade Firmware&#8221; v\u00e0 cu\u1ed1i c\u00f9ng l\u00e0 &#8220;Show Version&#8221;. N\u1ebfu phi\u00ean b\u1ea3n ch\u01b0\u01a1ng tr\u00ecnh c\u01a1 s\u1edf \u0111\u01b0\u1ee3c hi\u1ec3n th\u1ecb c\u1ee7a b\u1ea1n c\u0169 h\u01a1n phi\u00ean b\u1ea3n m\u1edbi nh\u1ea5t hi\u1ec7n c\u00f3 tr\u00ean trang web Coinkite, sau \u0111\u00f3 l\u00e0m theo c\u00e1c b\u01b0\u1edbc ti\u1ebfp theo \u0111\u1ec3 n\u00e2ng c\u1ea5p.<\/span><\/p>\n<figure id=\"attachment_16585\" aria-describedby=\"caption-attachment-16585\" style=\"width: 2000px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-16585\" src=\"https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-30.jpg\" alt=\"Bitcoin, BTC, crypto\" width=\"2000\" height=\"1500\" srcset=\"https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-30.jpg 2000w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-30-300x225.jpg 300w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-30-1024x768.jpg 1024w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-30-150x113.jpg 150w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-30-768x576.jpg 768w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-30-1536x1152.jpg 1536w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-30-450x338.jpg 450w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-30-1200x900.jpg 1200w\" sizes=\"(max-width: 2000px) 100vw, 2000px\" \/><figcaption id=\"caption-attachment-16585\" class=\"wp-caption-text\">B\u01b0\u1edbc 4: \u0110\u1eb7t m\u00e3 PIN.<\/figcaption><\/figure>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-16586 aligncenter\" src=\"https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a2-9.jpg\" alt=\"\" width=\"2000\" height=\"1500\" srcset=\"https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a2-9.jpg 2000w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a2-9-300x225.jpg 300w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a2-9-1024x768.jpg 1024w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a2-9-150x113.jpg 150w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a2-9-768x576.jpg 768w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a2-9-1536x1152.jpg 1536w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a2-9-450x338.jpg 450w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a2-9-1200x900.jpg 1200w\" sizes=\"(max-width: 2000px) 100vw, 2000px\" \/> <img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-16587 aligncenter\" src=\"https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a3-4.jpg\" alt=\"\" width=\"2000\" height=\"1500\" srcset=\"https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a3-4.jpg 2000w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a3-4-300x225.jpg 300w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a3-4-1024x768.jpg 1024w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a3-4-150x113.jpg 150w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a3-4-768x576.jpg 768w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a3-4-1536x1152.jpg 1536w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a3-4-450x338.jpg 450w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a3-4-1200x900.jpg 1200w\" sizes=\"(max-width: 2000px) 100vw, 2000px\" \/> <img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-16588 aligncenter\" src=\"https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a4-3.jpg\" alt=\"\" width=\"2000\" height=\"1500\" srcset=\"https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a4-3.jpg 2000w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a4-3-300x225.jpg 300w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a4-3-1024x768.jpg 1024w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a4-3-150x113.jpg 150w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a4-3-768x576.jpg 768w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a4-3-1536x1152.jpg 1536w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a4-3-450x338.jpg 450w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a4-3-1200x900.jpg 1200w\" sizes=\"(max-width: 2000px) 100vw, 2000px\" \/><\/p>\n<figure id=\"attachment_16589\" aria-describedby=\"caption-attachment-16589\" style=\"width: 900px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-16589\" src=\"https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-9.png\" alt=\"Bitcoin, BTC, crypto\" width=\"900\" height=\"684\" srcset=\"https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-9.png 938w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-9-300x228.png 300w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-9-150x114.png 150w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-9-768x584.png 768w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-9-450x342.png 450w\" sizes=\"(max-width: 900px) 100vw, 900px\" \/><figcaption id=\"caption-attachment-16589\" class=\"wp-caption-text\">Ngu\u1ed3n: https:\/\/coldcard.com\/docs\/upgrade<\/figcaption><\/figure>\n<p><span style=\"font-weight: 400;\">Ngay c\u1ea3 ph\u1ea7n s\u1ee5n c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c n\u00e2ng c\u1ea5p theo c\u00e1ch c\u00f3 ga b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng th\u1ebb nh\u1edb microSD. C\u00e1c b\u01b0\u1edbc n\u00e0y s\u1ebd ch\u1ec9 cho b\u1ea1n c\u00e1ch th\u1ef1c hi\u1ec7n \u0111i\u1ec1u \u0111\u00f3 v\u00e0 x\u00e1c minh t\u00ednh to\u00e0n v\u1eb9n c\u1ee7a t\u1ec7p ph\u1ea7n s\u1ee5n tr\u00ean m\u00e1y t\u00ednh \u0111\u1ec3 b\u00e0n Windows b\u1eb1ng Kleopatra OpenPGP t\u1eeb g\u00f3i GPG4win.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">N\u1ebfu b\u1ea1n kh\u00f4ng mu\u1ed1n tham gia v\u00e0o ph\u1ea7n x\u00e1c minh PGP c\u1ee7a qu\u00e1 tr\u00ecnh n\u00e0y, th\u00ec b\u1ea1n c\u00f3 th\u1ec3 chuy\u1ec3n sang ph\u1ea7n ch\u1ec9 l\u01b0u t\u1ec7p ph\u1ea7n s\u1ee5n v\u00e0o th\u1ebb nh\u1edb microSD v\u00e0 t\u1ea3i tr\u00ean Coldcard.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">C\u00e1c b\u01b0\u1edbc ti\u1ebfp theo n\u00e0y s\u1ebd h\u01b0\u1edbng d\u1eabn b\u1ea1n c\u00e1ch l\u01b0u gi\u00e1 tr\u1ecb b\u0103m c\u00f3 ch\u1eef k\u00fd PGP c\u1ee7a t\u1ec7p .dfu v\u00e0 x\u00e1c minh n\u00f3 b\u1eb1ng kh\u00f3a c\u00f4ng khai PGP c\u1ee7a Doc Hex, sau \u0111\u00f3 t\u00ednh gi\u00e1 tr\u1ecb b\u0103m c\u1ee7a ri\u00eang b\u1ea1n tr\u00ean ph\u1ea7n s\u1ee5n \u0111\u1ec3 x\u00e1c nh\u1eadn.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">T\u1eeb trang web CoinKite, h\u00e3y nh\u1ea5p v\u00e0o li\u00ean k\u1ebft \u0111\u1ec3 c\u00f3 phi\u00ean b\u1ea3n ph\u1ea7n s\u1ee5n m\u1edbi nh\u1ea5t \u1edf \u0111\u1ea7u trang. Thao t\u00e1c n\u00e0y s\u1ebd t\u1ef1 \u0111\u1ed9ng t\u1ea3i xu\u1ed1ng t\u1ec7p .dfu.<\/span><\/p>\n<figure id=\"attachment_16590\" aria-describedby=\"caption-attachment-16590\" style=\"width: 900px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-16590\" src=\"https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-10.png\" alt=\"Bitcoin, BTC, crypto\" width=\"900\" height=\"684\" srcset=\"https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-10.png 938w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-10-300x228.png 300w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-10-150x114.png 150w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-10-768x584.png 768w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-10-450x342.png 450w\" sizes=\"(max-width: 900px) 100vw, 900px\" \/><figcaption id=\"caption-attachment-16590\" class=\"wp-caption-text\">Ngu\u1ed3n: https:\/\/coldcard.com\/docs\/upgrade<\/figcaption><\/figure>\n<p><span style=\"font-weight: 400;\">T\u1eeb c\u00f9ng m\u1ed9t trang n\u00e0y, cu\u1ed9n xu\u1ed1ng d\u01b0\u1edbi c\u00f9ng \u0111\u1ebfn ph\u1ea7n n\u00e2ng cao, sau \u0111\u00f3 nh\u1ea5p v\u00e0o li\u00ean k\u1ebft &#8220;this clear-signed text file&#8221;. Li\u00ean k\u1ebft \u0111\u00f3 s\u1ebd m\u1edf ra m\u1ed9t th\u00f4ng b\u00e1o c\u00f3 ch\u1eef k\u00fd PGP ch\u1ee9a c\u00e1c gi\u00e1 tr\u1ecb b\u0103m SHA-256 c\u1ee7a c\u00e1c phi\u00ean b\u1ea3n ph\u1ea7n s\u1ee5n kh\u00e1c nhau.<\/span><\/p>\n<figure id=\"attachment_16591\" aria-describedby=\"caption-attachment-16591\" style=\"width: 900px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-16591\" src=\"https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-11.png\" alt=\"Bitcoin, BTC, crypto\" width=\"900\" height=\"483\" srcset=\"https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-11.png 764w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-11-300x161.png 300w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-11-150x80.png 150w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-11-450x241.png 450w\" sizes=\"(max-width: 900px) 100vw, 900px\" \/><figcaption id=\"caption-attachment-16591\" class=\"wp-caption-text\">Source: https:\/\/coldcard.com\/docs\/upgrade<\/figcaption><\/figure>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-16592\" src=\"https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a2-2.png\" alt=\"\" width=\"900\" height=\"502\" srcset=\"https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a2-2.png 735w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a2-2-300x167.png 300w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a2-2-150x84.png 150w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a2-2-450x251.png 450w\" sizes=\"(max-width: 900px) 100vw, 900px\" \/><\/p>\n<p><span style=\"font-weight: 400;\">B\u1ea1n mu\u1ed1n l\u01b0u tin nh\u1eafn c\u00f3 ch\u1eef k\u00fd PGP n\u00e0y d\u01b0\u1edbi d\u1ea1ng t\u1ec7p .asc. B\u1ea1n ch\u1ec9 c\u00f3 th\u1ec3 nh\u1ea5n \u201cctrl\u201d v\u00e0 \u201cs\u201d t\u1eeb tr\u00ecnh duy\u1ec7t web c\u1ee7a m\u00ecnh v\u00e0 b\u1ea1n s\u1ebd th\u1ea5y m\u1ed9t c\u1eeda s\u1ed5 b\u1eadt l\u00ean nh\u01b0 h\u00ecnh d\u01b0\u1edbi \u0111\u00e2y. \u0110\u1ea3m b\u1ea3o b\u1ea1n \u0111\u00e3 ch\u1ecdn t\u00f9y ch\u1ecdn &#8220;All Files (*. *)&#8221; T\u1eeb menu th\u1ea3 xu\u1ed1ng &#8220;Save as type:&#8221;. V\u00e0 sau \u0111\u00f3 l\u01b0u t\u1ec7p v\u1edbi ph\u1ea7n m\u1edf r\u1ed9ng &#8220;.asc&#8221;. B\u1ea1n c\u00f3 th\u1ec3 \u0111\u1eb7t t\u00ean cho n\u00f3 l\u00e0 &#8220;Signature&#8221;.<\/span><\/p>\n<figure id=\"attachment_16593\" aria-describedby=\"caption-attachment-16593\" style=\"width: 900px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-16593\" src=\"https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-12.png\" alt=\"Bitcoin, BTC, crypto\" width=\"900\" height=\"505\" srcset=\"https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-12.png 948w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-12-300x168.png 300w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-12-150x84.png 150w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-12-768x431.png 768w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-12-450x253.png 450w\" sizes=\"(max-width: 900px) 100vw, 900px\" \/><figcaption id=\"caption-attachment-16593\" class=\"wp-caption-text\">B\u1ea1n c\u00f3 th\u1ec3 \u0111\u1eb7t t\u00ean cho n\u00f3 l\u00e0 &#8220;Signature&#8221;.<\/figcaption><\/figure>\n<p><span style=\"font-weight: 400;\">Ti\u1ebfp theo, b\u1ea1n c\u1ea7n l\u1ea5y kh\u00f3a PGP c\u00f4ng khai c\u1ee7a Doc Hex v\u00e0 nh\u1eadp kh\u00f3a n\u00e0y v\u00e0o chu\u1ed7i kh\u00f3a Kleopatra \u0111\u1ec3 b\u1ea1n c\u00f3 th\u1ec3 ch\u1ee9ng nh\u1eadn. Kh\u00f3a c\u00f4ng khai c\u1ee7a Doc Hex c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c sao ch\u00e9p t\u1eeb m\u00e1y ch\u1ee7 kh\u00f3a n\u00e0y t\u1ea1i \u0111\u00e2y.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Sau khi b\u1ea1n sao ch\u00e9p kh\u00f3a c\u00f4ng khai c\u1ee7a anh \u1ea5y v\u00e0o khay nh\u1edb t\u1ea1m, sau \u0111\u00f3 trong Kleopatra, h\u00e3y \u0111i\u1ec1u h\u01b0\u1edbng \u0111\u1ebfn &#8220;Tools&#8221;, sau \u0111\u00f3 &#8220;Clipboard&#8221;, sau \u0111\u00f3 &#8220;Certificate Import&#8221;. Sau \u0111\u00f3, b\u1ea1n s\u1ebd \u0111\u01b0\u1ee3c y\u00eau c\u1ea7u nh\u1eadp m\u1eadt kh\u1ea9u PGP c\u1ee7a m\u00ecnh \u0111\u1ec3 ch\u1ee9ng nh\u1eadn kh\u00f3a c\u00f4ng khai c\u1ee7a Doc Hex. Sau khi \u0111\u01b0\u1ee3c ch\u1ee9ng nh\u1eadn, kh\u00f3a c\u00f4ng khai n\u00e0y s\u1ebd \u0111\u01b0\u1ee3c th\u00eam v\u00e0o chu\u1ed7i kh\u00f3a c\u1ee7a b\u1ea1n.<\/span><\/p>\n<figure id=\"attachment_16594\" aria-describedby=\"caption-attachment-16594\" style=\"width: 900px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-16594\" src=\"https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-13.png\" alt=\"Bitcoin, BTC, crypto\" width=\"900\" height=\"473\" srcset=\"https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-13.png 1041w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-13-300x158.png 300w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-13-1024x538.png 1024w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-13-150x79.png 150w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-13-768x404.png 768w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-13-450x236.png 450w\" sizes=\"(max-width: 900px) 100vw, 900px\" \/><figcaption id=\"caption-attachment-16594\" class=\"wp-caption-text\">Sau khi \u0111\u01b0\u1ee3c ch\u1ee9ng nh\u1eadn, kh\u00f3a c\u00f4ng khai n\u00e0y s\u1ebd \u0111\u01b0\u1ee3c th\u00eam v\u00e0o chu\u1ed7i kh\u00f3a c\u1ee7a b\u1ea1n.<\/figcaption><\/figure>\n<p><span style=\"font-weight: 400;\">B\u00e2y gi\u1edd b\u1ea1n \u0111\u00e3 nh\u1eadp v\u00e0 ch\u1ee9ng nh\u1eadn kh\u00f3a c\u1ee7a Doc Hex, b\u1ea1n c\u00f3 th\u1ec3 x\u00e1c minh r\u1eb1ng th\u00f4ng b\u00e1o \u0111\u00e3 k\u00fd v\u1edbi c\u00e1c gi\u00e1 tr\u1ecb b\u0103m ph\u1ea7n s\u1ee5n \u0111\u00e3 th\u1ef1c s\u1ef1 \u0111\u01b0\u1ee3c k\u00fd b\u1edfi Doc Hex. M\u1edf th\u01b0 m\u1ee5c ch\u1ee9a t\u1ec7p .asc tin nh\u1eafn \u0111\u00e3 k\u00fd v\u00e0 nh\u1ea5p chu\u1ed9t ph\u1ea3i v\u00e0o n\u00f3, sau \u0111\u00f3 ch\u1ecdn &#8220;More GpgEX options&#8221;, sau \u0111\u00f3 &#8220;Verify&#8221;.<\/span><\/p>\n<figure id=\"attachment_16595\" aria-describedby=\"caption-attachment-16595\" style=\"width: 900px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-16595\" src=\"https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-14.png\" alt=\"Bitcoin, BTC, crypto\" width=\"900\" height=\"632\" srcset=\"https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-14.png 1108w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-14-300x211.png 300w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-14-1024x719.png 1024w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-14-150x105.png 150w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-14-768x539.png 768w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-14-450x316.png 450w\" sizes=\"(max-width: 900px) 100vw, 900px\" \/><figcaption id=\"caption-attachment-16595\" class=\"wp-caption-text\">BitcoinSource: https:\/\/keybase.io\/dochex<\/figcaption><\/figure>\n<p><span style=\"font-weight: 400;\">Kleopatra s\u1ebd b\u1eaft \u0111\u1ea7u t\u00ednh to\u00e1n t\u00ednh x\u00e1c th\u1ef1c c\u1ee7a ch\u1eef k\u00fd v\u00e0 sau m\u1ed9t l\u00fac, b\u1ea1n s\u1ebd nh\u1eadn \u0111\u01b0\u1ee3c m\u1ed9t h\u1ed9p tho\u1ea1i x\u00e1c nh\u1eadn r\u1eb1ng ch\u1eef k\u00fd kh\u1edbp v\u1edbi kh\u00f3a c\u00f4ng khai m\u00e0 b\u1ea1n \u0111\u00e3 ch\u1ee9ng nh\u1eadn.<\/span><\/p>\n<figure id=\"attachment_16596\" aria-describedby=\"caption-attachment-16596\" style=\"width: 900px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-16596\" src=\"https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-15.png\" alt=\"Bitcoin, crypto, BTC\" width=\"900\" height=\"723\" srcset=\"https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-15.png 833w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-15-300x241.png 300w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-15-150x120.png 150w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-15-768x617.png 768w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-15-450x361.png 450w\" sizes=\"(max-width: 900px) 100vw, 900px\" \/><figcaption id=\"caption-attachment-16596\" class=\"wp-caption-text\">M\u1edf th\u01b0 m\u1ee5c ch\u1ee9a t\u1ec7p .asc tin nh\u1eafn \u0111\u00e3 k\u00fd v\u00e0 nh\u1ea5p chu\u1ed9t ph\u1ea3i v\u00e0o n\u00f3, sau \u0111\u00f3 ch\u1ecdn &#8220;T\u00f9y ch\u1ecdn GpgEX kh\u00e1c&#8221;, sau \u0111\u00f3 &#8220;Verify&#8221;.<\/figcaption><\/figure>\n<p><span style=\"font-weight: 400;\">T\u1ea1i th\u1eddi \u0111i\u1ec3m n\u00e0y, b\u1ea1n \u0111\u00e3 x\u00e1c minh r\u1eb1ng th\u00f4ng b\u00e1o c\u00f3 ch\u1eef k\u00fd PGP ch\u1ee9a c\u00e1c gi\u00e1 tr\u1ecb b\u0103m cho c\u00e1c t\u1ec7p ph\u1ea7n s\u1ee5n tr\u00ean th\u1ef1c t\u1ebf \u0111\u00e3 \u0111\u01b0\u1ee3c k\u00fd b\u1edfi Doc Hex. Nh\u01b0ng b\u00e2y gi\u1edd b\u1ea1n c\u1ea7n x\u00e1c minh r\u1eb1ng t\u1ec7p ph\u1ea7n s\u1ee5n .dfu tr\u00ean th\u1ef1c t\u1ebf c\u00f3 tr\u1ea3 l\u1ea1i c\u00f9ng gi\u00e1 tr\u1ecb b\u0103m nh\u01b0 gi\u00e1 tr\u1ecb trong tin nh\u1eafn \u0111\u00e3 k\u00fd hay kh\u00f4ng.<\/span><\/p>\n<figure id=\"attachment_16597\" aria-describedby=\"caption-attachment-16597\" style=\"width: 651px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-16597\" src=\"https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-16.png\" alt=\"Bitcoin, BTC, crypto\" width=\"651\" height=\"521\" srcset=\"https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-16.png 651w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-16-300x240.png 300w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-16-150x120.png 150w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-16-450x360.png 450w\" sizes=\"(max-width: 651px) 100vw, 651px\" \/><figcaption id=\"caption-attachment-16597\" class=\"wp-caption-text\">B\u1ea1n s\u1ebd nh\u1eadn \u0111\u01b0\u1ee3c m\u1ed9t h\u1ed9p tho\u1ea1i x\u00e1c nh\u1eadn r\u1eb1ng ch\u1eef k\u00fd kh\u1edbp v\u1edbi kh\u00f3a c\u00f4ng khai m\u00e0 b\u1ea1n \u0111\u00e3 ch\u1ee9ng nh\u1eadn.<\/figcaption><\/figure>\n<p><span style=\"font-weight: 400;\">\u0110\u1ec3 l\u00e0m \u0111i\u1ec1u n\u00e0y, t\u00f4i th\u00edch s\u1eed d\u1ee5ng m\u1ed9t ch\u01b0\u01a1ng tr\u00ecnh ch\u1ec9nh s\u1eeda hex ph\u1ea7n m\u1ec1m mi\u1ec5n ph\u00ed \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 HxD. Ch\u1ec9 c\u1ea7n \u0111i\u1ec1u h\u01b0\u1edbng \u0111\u1ebfn &#8220;File&#8221;, sau \u0111\u00f3 ch\u1ecdn &#8220;Open&#8221; v\u00e0 \u0111i\u1ec1u h\u01b0\u1edbng \u0111\u1ebfn \u0111\u01b0\u1eddng d\u1eabn t\u1ec7p n\u01a1i b\u1ea1n \u0111\u00e3 l\u01b0u t\u1ec7p .dfu ph\u1ea7n s\u1ee5n. Sau khi m\u1edf, sau \u0111\u00f3 \u0111i\u1ec1u h\u01b0\u1edbng \u0111\u1ebfn &#8220;Analysis&#8221; r\u1ed3i \u0111\u1ebfn &#8220;Checksums&#8221;, sau \u0111\u00f3 cu\u1ed9n xu\u1ed1ng &#8220;SHA-256&#8221; v\u00e0 nh\u1ea5n &#8220;OK&#8221;. Sau \u0111\u00f3, ph\u1ea7n m\u1ec1m s\u1ebd tr\u1ea3 v\u1ec1 gi\u00e1 tr\u1ecb b\u0103m SHA-256 \u0111\u01b0\u1ee3c t\u00ednh to\u00e1n tr\u00ean t\u1ec7p ph\u1ea7n s\u1ee5n b\u1ea1n \u0111\u00e3 t\u1ea3i xu\u1ed1ng. So s\u00e1nh tr\u1ef1c quan gi\u00e1 tr\u1ecb b\u0103m \u0111\u01b0\u1ee3c tr\u1ea3 v\u1ec1 n\u00e0y v\u1edbi gi\u00e1 tr\u1ecb b\u0103m m\u00e0 b\u1ea1n c\u00f3 th\u1ec3 xem trong th\u01b0 \u0111\u00e3 k\u00fd b\u1eb1ng c\u00e1ch m\u1edf n\u00f3 b\u1eb1ng tr\u00ecnh so\u1ea1n th\u1ea3o v\u0103n b\u1ea3n.<\/span><\/p>\n<figure id=\"attachment_16598\" aria-describedby=\"caption-attachment-16598\" style=\"width: 900px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-16598\" src=\"https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-17.png\" alt=\"Bitcoin, BTC, crypto\" width=\"900\" height=\"538\" srcset=\"https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-17.png 956w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-17-300x179.png 300w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-17-150x90.png 150w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-17-768x460.png 768w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-17-450x269.png 450w\" sizes=\"(max-width: 900px) 100vw, 900px\" \/><figcaption id=\"caption-attachment-16598\" class=\"wp-caption-text\">B\u1ea1n s\u1ebd nh\u1eadn \u0111\u01b0\u1ee3c m\u1ed9t h\u1ed9p tho\u1ea1i x\u00e1c nh\u1eadn r\u1eb1ng ch\u1eef k\u00fd kh\u1edbp v\u1edbi kh\u00f3a c\u00f4ng khai m\u00e0 b\u1ea1n \u0111\u00e3 ch\u1ee9ng nh\u1eadn.<\/figcaption><\/figure>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-16599\" src=\"https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a2-3.png\" alt=\"\" width=\"900\" height=\"604\" srcset=\"https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a2-3.png 956w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a2-3-300x201.png 300w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a2-3-150x101.png 150w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a2-3-768x516.png 768w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a2-3-450x302.png 450w\" sizes=\"(max-width: 900px) 100vw, 900px\" \/> <img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-16600\" src=\"https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a3-2.png\" alt=\"\" width=\"900\" height=\"519\" srcset=\"https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a3-2.png 1248w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a3-2-300x173.png 300w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a3-2-1024x590.png 1024w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a3-2-150x86.png 150w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a3-2-768x442.png 768w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a3-2-450x259.png 450w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a3-2-1200x691.png 1200w\" sizes=\"(max-width: 900px) 100vw, 900px\" \/><\/p>\n<p><span style=\"font-weight: 400;\">B\u00e2y gi\u1edd b\u1ea1n bi\u1ebft r\u1eb1ng t\u1ec7p ph\u1ea7n s\u1ee5n b\u1ea1n \u0111\u00e3 t\u1ea3i xu\u1ed1ng kh\u1edbp ch\u00ednh x\u00e1c v\u1edbi t\u1ec7p m\u00e0 Coinkite d\u1ef1 \u0111\u1ecbnh m\u00e0 b\u1ea1n nh\u1eadn \u0111\u01b0\u1ee3c v\u00e0 n\u00f3 an to\u00e0n \u0111\u1ec3 c\u00e0i \u0111\u1eb7t tr\u00ean Coldcard m\u1edbi c\u1ee7a b\u1ea1n.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">L\u1ea5y th\u1ebb nh\u1edb microSD v\u00e0 b\u1ed9 \u0111i\u1ec1u h\u1ee3p USB v\u00e0 l\u1eafp ch\u00fang v\u00e0o m\u00e1y t\u00ednh \u0111\u1ec3 b\u00e0n c\u1ee7a b\u1ea1n. Sau khi \u0111\u01b0\u1ee3c nh\u1eadn d\u1ea1ng, ch\u1ec9 c\u1ea7n k\u00e9o v\u00e0 th\u1ea3 t\u1ec7p .dfu ph\u1ea7n s\u1ee5n v\u00e0o th\u1ebb nh\u1edb microSD. Sau \u0111\u00f3, r\u00fat th\u1ebb microSD ra m\u1ed9t c\u00e1ch an to\u00e0n.<\/span><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-16601\" src=\"https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-31.jpg\" alt=\"Bitcoin, BTC, crypto\" width=\"900\" height=\"450\" srcset=\"https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-31.jpg 2000w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-31-300x150.jpg 300w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-31-1024x511.jpg 1024w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-31-150x75.jpg 150w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-31-768x384.jpg 768w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-31-1536x767.jpg 1536w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-31-450x225.jpg 450w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-31-1200x599.jpg 1200w\" sizes=\"(max-width: 900px) 100vw, 900px\" \/> <img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-16602\" src=\"https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a2-4.png\" alt=\"\" width=\"900\" height=\"627\" srcset=\"https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a2-4.png 713w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a2-4-300x209.png 300w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a2-4-150x105.png 150w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a2-4-450x314.png 450w\" sizes=\"(max-width: 900px) 100vw, 900px\" \/><\/p>\n<p><span style=\"font-weight: 400;\">L\u1eadt \u00fap Coldcard v\u00e0 l\u1eafp th\u1ebb microSD v\u00e0o khe c\u1eafm cho \u0111\u1ebfn khi kh\u1edbp v\u00e0o \u0111\u00fang v\u1ecb tr\u00ed.<\/span><\/p>\n<figure id=\"attachment_16603\" aria-describedby=\"caption-attachment-16603\" style=\"width: 900px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-16603\" src=\"https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-32.jpg\" alt=\"Bitcoin, BTC, crypto\" width=\"900\" height=\"675\" srcset=\"https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-32.jpg 1400w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-32-300x225.jpg 300w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-32-1024x768.jpg 1024w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-32-150x113.jpg 150w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-32-768x576.jpg 768w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-32-450x338.jpg 450w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-32-1200x900.jpg 1200w\" sizes=\"(max-width: 900px) 100vw, 900px\" \/><figcaption id=\"caption-attachment-16603\" class=\"wp-caption-text\">C\u1eafm th\u1ebb nh\u1edb microSD v\u00e0o khe c\u1eafm cho \u0111\u1ebfn khi n\u00f3 kh\u1edbp v\u00e0o v\u1ecb tr\u00ed.<\/figcaption><\/figure>\n<p><span style=\"font-weight: 400;\">B\u1ea1n v\u1eabn ph\u1ea3i \u1edf trong menu &#8220;Advanced&#8221;, sau \u0111\u00f3 cu\u1ed9n xu\u1ed1ng &#8220;Upgrade Firmware&#8221; r\u1ed3i \u0111\u1ebfn &#8220;From MicroSD&#8221; r\u1ed3i ch\u1ecdn t\u1ec7p ch\u01b0\u01a1ng tr\u00ecnh c\u01a1 s\u1edf. Qu\u00e1 tr\u00ecnh n\u00e0y s\u1ebd m\u1ea5t m\u1ed9t ch\u00fat th\u1eddi gian \u0111\u1ec3 t\u1ef1 \u0111\u1ed9ng t\u1ea3i, x\u00e1c minh v\u00e0 n\u00e2ng c\u1ea5p.<\/span><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-16604\" src=\"https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-33.jpg\" alt=\"Bitcoin, BTC, crypto\" width=\"900\" height=\"675\" srcset=\"https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-33.jpg 2000w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-33-300x225.jpg 300w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-33-1024x768.jpg 1024w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-33-150x113.jpg 150w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-33-768x576.jpg 768w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-33-1536x1152.jpg 1536w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-33-450x338.jpg 450w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-33-1200x900.jpg 1200w\" sizes=\"(max-width: 900px) 100vw, 900px\" \/> <img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-16605\" src=\"https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a2-10.jpg\" alt=\"\" width=\"900\" height=\"675\" srcset=\"https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a2-10.jpg 2000w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a2-10-300x225.jpg 300w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a2-10-1024x768.jpg 1024w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a2-10-150x113.jpg 150w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a2-10-768x576.jpg 768w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a2-10-1536x1152.jpg 1536w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a2-10-450x338.jpg 450w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a2-10-1200x900.jpg 1200w\" sizes=\"(max-width: 900px) 100vw, 900px\" \/> <img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-16606\" src=\"https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a3-5.jpg\" alt=\"\" width=\"900\" height=\"675\" srcset=\"https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a3-5.jpg 2000w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a3-5-300x225.jpg 300w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a3-5-1024x768.jpg 1024w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a3-5-150x113.jpg 150w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a3-5-768x576.jpg 768w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a3-5-1536x1152.jpg 1536w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a3-5-450x338.jpg 450w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a3-5-1200x900.jpg 1200w\" sizes=\"(max-width: 900px) 100vw, 900px\" \/> <img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-16607\" src=\"https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a4-4.jpg\" alt=\"\" width=\"900\" height=\"675\" srcset=\"https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a4-4.jpg 2000w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a4-4-300x225.jpg 300w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a4-4-1024x768.jpg 1024w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a4-4-150x113.jpg 150w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a4-4-768x576.jpg 768w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a4-4-1536x1152.jpg 1536w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a4-4-450x338.jpg 450w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a4-4-1200x900.jpg 1200w\" sizes=\"(max-width: 900px) 100vw, 900px\" \/><\/p>\n<h2><span class=\"ez-toc-section\" id=\"BUOC_BON_THIET_LAP_PIN\"><\/span><span style=\"font-weight: 400;\">B\u01af\u1edaC B\u1ed0N: THI\u1ebeT L\u1eacP PIN<\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">H\u00e3y c\u00e2n nh\u1eafc c\u1ea9n th\u1eadn v\u1edbi s\u1ed1 PIN c\u1ee7a b\u1ea1n. B\u1ea1n kh\u00f4ng mu\u1ed1n s\u1eed d\u1ee5ng m\u1ed9t c\u00e1i d\u1ec5 \u0111o\u00e1n. Th\u1eadt ti\u1ec7n l\u1ee3i khi b\u1ea1n c\u00f3 th\u1ec3 ghi nh\u1edb n\u00f3 \u0111\u1ec3 kh\u00f4ng ph\u1ea3i t\u00ecm th\u1ebb ghi ch\u00fa ho\u1eb7c ph\u01b0\u01a1ng ti\u1ec7n l\u01b0u tr\u1eef kh\u00e1c m\u1ed7i khi b\u1ea1n mu\u1ed1n truy c\u1eadp Coldcard c\u1ee7a m\u00ecnh. Ho\u1eb7c c\u00f3 l\u1ebd b\u1ea1n mu\u1ed1n m\u1ed9t m\u00e3 PIN m\u00e0 b\u1ea1n ch\u01b0a ghi nh\u1edb, \u0111\u1eb7c bi\u1ec7t \u0111\u1ec3 b\u1ea1n ph\u1ea3i c\u00f3 quy\u1ec1n truy c\u1eadp v\u00e0o th\u1ebb ghi ch\u00fa c\u1ee7a m\u00ecnh ho\u1eb7c ph\u01b0\u01a1ng ti\u1ec7n l\u01b0u tr\u1eef kh\u00e1c \u0111\u1ec3 m\u1edf Coldcard.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">D\u00f9 b\u1eb1ng c\u00e1ch n\u00e0o, m\u00e3 PIN c\u1ee7a b\u1ea1n s\u1ebd c\u00f3 hai ph\u1ea7n: ti\u1ec1n t\u1ed1 v\u00e0 h\u1eadu t\u1ed1. \u00dd t\u01b0\u1edfng l\u00e0 m\u1ed9t khi b\u1ea1n nh\u1eadp ti\u1ec1n t\u1ed1, b\u1ea1n s\u1ebd \u0111\u01b0\u1ee3c hi\u1ec3n th\u1ecb v\u1edbi hai t\u1eeb ch\u1ed1ng l\u1eeba \u0111\u1ea3o. N\u1ebfu c\u00e1c t\u1eeb gi\u1ed1ng v\u1edbi c\u00e1c t\u1eeb ban \u0111\u1ea7u \u0111\u01b0\u1ee3c tr\u00ecnh b\u00e0y cho b\u1ea1n khi kh\u1edfi \u0111\u1ed9ng ban \u0111\u1ea7u, th\u00ec b\u1ea1n bi\u1ebft r\u1eb1ng th\u1ebb Coldcard c\u1ee7a b\u1ea1n \u0111\u00e3 kh\u00f4ng b\u1ecb gi\u1ea3 m\u1ea1o k\u1ec3 t\u1eeb l\u1ea7n cu\u1ed1i c\u00f9ng b\u1ea1n truy c\u1eadp v\u00e0o n\u00f3.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u0110\u1ea7u ti\u00ean, ch\u1ecdn &#8220;Choose PIN code&#8221;, sau \u0111\u00f3 b\u1ea1n s\u1ebd th\u1ea5y m\u00f4 t\u1ea3 ng\u1eafn g\u1ecdn v\u1ec1 c\u00e1ch ho\u1ea1t \u0111\u1ed9ng c\u1ee7a m\u00e3 PIN. M\u1ed7i ph\u1ea7n c\u1ee7a m\u00e3 PIN c\u1ee7a b\u1ea1n c\u00f3 th\u1ec3 c\u00f3 t\u1eeb hai \u0111\u1ebfn s\u00e1u ch\u1eef s\u1ed1. Ho\u00e0n to\u00e0n kh\u00f4ng c\u00f3 c\u00e1ch n\u00e0o \u0111\u1ec3 truy c\u1eadp m\u00e3 PIN b\u1ecb qu\u00ean ho\u1eb7c b\u1ecb m\u1ea5t. V\u00e0 n\u1ebfu b\u1ea1n nh\u1eadp sai m\u00e3 PIN qu\u00e1 nhi\u1ec1u l\u1ea7n, n\u00f3 s\u1ebd g\u1ea1ch th\u1ebb Coldcard c\u1ee7a b\u1ea1n nh\u01b0 m\u1ed9t t\u00ednh n\u0103ng b\u1ea3o m\u1eadt.<\/span><\/p>\n<figure id=\"attachment_16608\" aria-describedby=\"caption-attachment-16608\" style=\"width: 900px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-16608\" src=\"https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-34.jpg\" alt=\"Bitcoin, crypt, BTC\" width=\"900\" height=\"675\" srcset=\"https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-34.jpg 1400w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-34-300x225.jpg 300w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-34-1024x768.jpg 1024w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-34-150x113.jpg 150w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-34-768x576.jpg 768w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-34-450x338.jpg 450w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-34-1200x900.jpg 1200w\" sizes=\"(max-width: 900px) 100vw, 900px\" \/><figcaption id=\"caption-attachment-16608\" class=\"wp-caption-text\">\u0110\u1ea7u ti\u00ean, ch\u1ecdn &#8220;Choose PIN code&#8221;, sau \u0111\u00f3 b\u1ea1n s\u1ebd th\u1ea5y m\u00f4 t\u1ea3 ng\u1eafn g\u1ecdn v\u1ec1 c\u00e1ch ho\u1ea1t \u0111\u1ed9ng c\u1ee7a m\u00e3 PIN.<\/figcaption><\/figure>\n<p><span style=\"font-weight: 400;\">Sau khi nh\u1ea5n &#8220;OK&#8221;, b\u1ea1n s\u1ebd nh\u1eadn \u0111\u01b0\u1ee3c m\u1ed9t c\u1ea3nh b\u00e1o n\u1eefa v\u1ec1 nguy c\u01a1 m\u1ea5t ho\u1eb7c qu\u00ean m\u00e3 PIN. Sau khi \u0111\u1ecdc, b\u1ea1n c\u00f3 th\u1ec3 nh\u1eadp ti\u1ec1n t\u1ed1 m\u00e3 PIN c\u1ee7a m\u00ecnh. S\u1eed d\u1ee5ng th\u1ebb ghi ch\u00fa \u0111i k\u00e8m \u0111\u1ec3 ghi l\u1ea1i ti\u1ec1n t\u1ed1 m\u00e3 PIN c\u1ee7a b\u1ea1n, sau \u0111\u00f3 nh\u1ea5n &#8220;OK&#8221;.<\/span><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-16609\" src=\"https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-35.jpg\" alt=\"Bitcoin, crypto, BTC\" width=\"900\" height=\"675\" srcset=\"https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-35.jpg 2000w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-35-300x225.jpg 300w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-35-1024x768.jpg 1024w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-35-150x113.jpg 150w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-35-768x576.jpg 768w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-35-1536x1152.jpg 1536w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-35-450x338.jpg 450w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-35-1200x900.jpg 1200w\" sizes=\"(max-width: 900px) 100vw, 900px\" \/> <img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-16610\" src=\"https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a2-11.jpg\" alt=\"\" width=\"900\" height=\"675\" srcset=\"https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a2-11.jpg 2000w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a2-11-300x225.jpg 300w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a2-11-1024x768.jpg 1024w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a2-11-150x113.jpg 150w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a2-11-768x576.jpg 768w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a2-11-1536x1152.jpg 1536w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a2-11-450x338.jpg 450w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a2-11-1200x900.jpg 1200w\" sizes=\"(max-width: 900px) 100vw, 900px\" \/><\/p>\n<figure id=\"attachment_16611\" aria-describedby=\"caption-attachment-16611\" style=\"width: 900px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-16611\" src=\"https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-36.jpg\" alt=\"Bitcoin, BTC, crypto\" width=\"900\" height=\"675\" srcset=\"https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-36.jpg 1400w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-36-300x225.jpg 300w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-36-1024x768.jpg 1024w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-36-150x113.jpg 150w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-36-768x576.jpg 768w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-36-450x338.jpg 450w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-36-1200x900.jpg 1200w\" sizes=\"(max-width: 900px) 100vw, 900px\" \/><figcaption id=\"caption-attachment-16611\" class=\"wp-caption-text\">B\u1ea1n s\u1ebd \u0111\u01b0\u1ee3c gi\u1edbi thi\u1ec7u v\u1edbi hai t\u1eeb ch\u1ed1ng l\u1eeba \u0111\u1ea3o. Vi\u1ebft nh\u1eefng \u0111i\u1ec1u n\u00e0y ra gi\u1ea5y ghi ch\u00fa c\u1ee7a b\u1ea1n.<\/figcaption><\/figure>\n<p><span style=\"font-weight: 400;\">Ti\u1ebfp theo, nh\u1eadp h\u1eadu t\u1ed1 m\u00e3 PIN c\u1ee7a b\u1ea1n, sau \u0111\u00f3 ghi n\u00f3 v\u00e0o th\u1ebb ghi ch\u00fa v\u00e0 nh\u1ea5n &#8220;OK&#8221;.<\/span><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-16612\" src=\"https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-37.jpg\" alt=\"Bitcoin, BTC, crypto\" width=\"900\" height=\"675\" srcset=\"https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-37.jpg 2000w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-37-300x225.jpg 300w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-37-1024x768.jpg 1024w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-37-150x113.jpg 150w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-37-768x576.jpg 768w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-37-1536x1152.jpg 1536w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-37-450x338.jpg 450w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-37-1200x900.jpg 1200w\" sizes=\"(max-width: 900px) 100vw, 900px\" \/> <img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-16613\" src=\"https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a2-12.jpg\" alt=\"\" width=\"900\" height=\"675\" srcset=\"https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a2-12.jpg 2000w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a2-12-300x225.jpg 300w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a2-12-1024x768.jpg 1024w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a2-12-150x113.jpg 150w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a2-12-768x576.jpg 768w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a2-12-1536x1152.jpg 1536w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a2-12-450x338.jpg 450w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a2-12-1200x900.jpg 1200w\" sizes=\"(max-width: 900px) 100vw, 900px\" \/><\/p>\n<h2><span class=\"ez-toc-section\" id=\"BUOC_NAM_TAO_GIAI_DOAN_HAT_GIONG\"><\/span><span style=\"font-weight: 400;\">B\u01af\u1edaC N\u0102M: T\u1ea0O GIAI \u0110O\u1ea0N H\u1ea0T GI\u1ed0NG<\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">C\u00f3 m\u1ed9t s\u1ed1 c\u00e2n nh\u1eafc b\u1ea1n c\u00f3 th\u1ec3 mu\u1ed1n th\u1ef1c hi\u1ec7n khi t\u1ea1o m\u1ed9t c\u1ee5m t\u1eeb h\u1ea1t gi\u1ed1ng.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">V\u00ed d\u1ee5: Coldcard s\u1ebd t\u1ea1o m\u1ed9t c\u1ee5m t\u1eeb h\u1ea1t gi\u1ed1ng cho b\u1ea1n theo m\u1eb7c \u0111\u1ecbnh, nh\u01b0ng c\u00f3 th\u1ec3 b\u1ea1n kh\u00f4ng tin t\u01b0\u1edfng tr\u00ecnh t\u1ea1o s\u1ed1 ng\u1eabu nhi\u00ean th\u1ef1c s\u1ef1 (TRNG) \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng v\u00ec m\u1ed9t s\u1ed1 l\u00fd do. Ch\u00e0, b\u1ea1n kh\u00f4ng c\u1ea7n ph\u1ea3i tin t\u01b0\u1edfng v\u00e0o n\u00f3 v\u00ec b\u1ea1n c\u00f3 th\u1ec3 t\u1ea1o ra entropy c\u1ee7a ri\u00eang m\u00ecnh b\u1eb1ng x\u00fac x\u1eafc ho\u1eb7c b\u1eb1ng c\u00e1c ph\u01b0\u01a1ng ti\u1ec7n kh\u00e1c. Sau \u0111\u00f3, b\u1ea1n c\u00f3 th\u1ec3 \u0111\u1ec3 nguy\u00ean c\u1ee5m t\u1eeb h\u1ea1t gi\u1ed1ng v\u1edbi 24 t\u1eeb ho\u1eb7c b\u1ea1n c\u00f3 th\u1ec3 th\u00eam t\u1eeb th\u1ee9 25, c\u00f2n \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 c\u1ee5m m\u1eadt kh\u1ea9u.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">C\u1ee5m m\u1eadt kh\u1ea9u c\u00f3 th\u1ec3 l\u00e0 b\u1ea5t k\u1ef3 s\u1ef1 k\u1ebft h\u1ee3p n\u00e0o c\u1ee7a ch\u1eef hoa, ch\u1eef th\u01b0\u1eddng, s\u1ed1 ho\u1eb7c k\u00fd t\u1ef1 \u0111\u1eb7c bi\u1ec7t. Kh\u00f4ng c\u00f3 c\u00e1ch n\u00e0o \u0111\u1ec3 v\u00ed bi\u1ebft \u0111\u01b0\u1ee3c c\u1ee5m m\u1eadt kh\u1ea9u c\u1ee7a b\u1ea1n c\u00f3 \u0111\u00fang hay kh\u00f4ng m\u1eb7c d\u00f9 sau khi b\u1ea1n \u0111\u1eb7t n\u00f3. V\u00ec v\u1eady, n\u1ebfu b\u1ea1n quy\u1ebft \u0111\u1ecbnh s\u1eed d\u1ee5ng c\u1ee5m m\u1eadt kh\u1ea9u v\u00e0 sau \u0111\u00f3 b\u1ea1n nh\u1eadp sai m\u1eadt kh\u1ea9u khi truy c\u1eadp v\u00ed trong t\u01b0\u01a1ng lai, Coldcard s\u1ebd hi\u1ec3n th\u1ecb m\u1ed9t v\u00ed ho\u00e0n to\u00e0n h\u1ee3p l\u1ec7, nh\u01b0ng \u0111\u00f3 s\u1ebd kh\u00f4ng ph\u1ea3i l\u00e0 v\u00ed ch\u1ee9a ti\u1ec1n c\u1ee7a b\u1ea1n. Ngay c\u1ea3 v\u1edbi 24 t\u1eeb gi\u1ed1ng nhau, vi\u1ec7c nh\u1eadp hai m\u1eadt kh\u1ea9u kh\u00e1c nhau s\u1ebd t\u1ea1o ra hai v\u00ed ho\u00e0n to\u00e0n kh\u00e1c nhau.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">V\u00ec v\u1eady, h\u00e3y ngh\u0129 v\u1ec1 m\u00f4 h\u00ecnh m\u1ed1i \u0111e d\u1ecda c\u1ee7a b\u1ea1n l\u00e0 g\u00ec, c\u00e1ch b\u1ea1n s\u1ebd b\u1ea3o m\u1eadt th\u00f4ng tin kh\u00f4i ph\u1ee5c c\u1ee7a m\u00ecnh v\u00e0 c\u00e1ch nh\u1eefng ng\u01b0\u1eddi th\u00e2n y\u00eau c\u1ee7a b\u1ea1n s\u1ebd kh\u00f4i ph\u1ee5c <a href=\"https:\/\/www.fiahub.com\">Bitcoin<\/a> c\u1ee7a b\u1ea1n n\u1ebfu b\u1ea1n ra \u0111i.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Th\u00f4ng th\u01b0\u1eddng, t\u00f4i th\u00edch s\u1eed d\u1ee5ng x\u00fac x\u1eafc \u0111\u1ec3 t\u1ea1o c\u00e1c c\u1ee5m t\u1eeb h\u1ea1t gi\u1ed1ng c\u1ee7a m\u00ecnh v\u00e0 sau \u0111\u00f3 t\u00f4i mu\u1ed1n th\u00eam c\u1ee5m m\u1eadt kh\u1ea9u c\u00f3 h\u00e0m l\u01b0\u1ee3ng entropy cao v\u00e0o n\u00f3, v\u00ec v\u1eady t\u00f4i s\u1ebd ch\u1ec9 cho b\u1ea1n c\u00e1ch t\u00f4i th\u1ef1c hi\u1ec7n v\u00e0 b\u1ea1n c\u00f3 th\u1ec3 ch\u1ecdn v\u00e0 ch\u1ecdn nh\u1eefng g\u00ec ph\u00f9 h\u1ee3p v\u1edbi m\u00ecnh.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Nh\u01b0 t\u00f4i \u0111\u00e3 n\u00f3i, Coldcard s\u1ebd s\u1eed d\u1ee5ng TRNG \u0111\u1ec3 t\u1ea1o m\u1ed9t c\u1ee5m t\u1eeb h\u1ea1t gi\u1ed1ng ng\u1eabu nhi\u00ean cho b\u1ea1n theo m\u1eb7c \u0111\u1ecbnh. Ch\u1ecdn &#8220;New Wallet&#8221; v\u00e0 sau m\u1ed9t l\u00fac, b\u1ea1n s\u1ebd th\u1ea5y 24 t\u1eeb. B\u1ea1n c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng c\u1ee5m t\u1eeb h\u1ea1t gi\u1ed1ng \u0111\u00f3 n\u1ebfu b\u1ea1n mu\u1ed1n, kh\u00f4ng c\u00f3 g\u00ec sai khi l\u00e0m nh\u01b0 v\u1eady.<\/span><\/p>\n<figure id=\"attachment_16614\" aria-describedby=\"caption-attachment-16614\" style=\"width: 900px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-16614\" src=\"https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-38.jpg\" alt=\"Bitcoin, BTC, crypto\" width=\"900\" height=\"675\" srcset=\"https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-38.jpg 1400w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-38-300x225.jpg 300w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-38-1024x768.jpg 1024w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-38-150x113.jpg 150w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-38-768x576.jpg 768w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-38-450x338.jpg 450w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-38-1200x900.jpg 1200w\" sizes=\"(max-width: 900px) 100vw, 900px\" \/><figcaption id=\"caption-attachment-16614\" class=\"wp-caption-text\">Ch\u1ecdn &#8220;V\u00ed m\u1edbi&#8221; v\u00e0 sau m\u1ed9t l\u00fac, b\u1ea1n s\u1ebd th\u1ea5y 24 t\u1eeb.<\/figcaption><\/figure>\n<p><span style=\"font-weight: 400;\">Nh\u01b0ng t\u00f4i th\u00edch cu\u1ed9n xu\u1ed1ng cu\u1ed1i danh s\u00e1ch t\u1eeb v\u00e0 ch\u1ecdn &#8220;4&#8221; \u0111\u1ec3 th\u00eam m\u1ed9t s\u1ed1 cu\u1ed9n x\u00fac x\u1eafc.<\/span><\/p>\n<figure id=\"attachment_16615\" aria-describedby=\"caption-attachment-16615\" style=\"width: 900px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-16615\" src=\"https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-39.jpg\" alt=\"Bitcoin, BTC, crypto\" width=\"900\" height=\"675\" srcset=\"https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-39.jpg 1400w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-39-300x225.jpg 300w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-39-1024x768.jpg 1024w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-39-150x113.jpg 150w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-39-768x576.jpg 768w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-39-450x338.jpg 450w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-39-1200x900.jpg 1200w\" sizes=\"(max-width: 900px) 100vw, 900px\" \/><figcaption id=\"caption-attachment-16615\" class=\"wp-caption-text\">Cu\u1ed9n xu\u1ed1ng cu\u1ed1i danh s\u00e1ch t\u1eeb v\u00e0 ch\u1ecdn &#8220;4&#8221; \u0111\u1ec3 th\u00eam m\u1ed9t s\u1ed1 cu\u1ed9n x\u00fac x\u1eafc.<\/figcaption><\/figure>\n<p><span style=\"font-weight: 400;\">Khuy\u1ebfn ngh\u1ecb s\u1eed d\u1ee5ng \u00edt nh\u1ea5t 50 cu\u1ed9n x\u00fac x\u1eafc cho 126 bit entropy ho\u1eb7c 99 cu\u1ed9n x\u00fac x\u1eafc cho 256 bit entropy. Entropy \u0111\u01b0\u1ee3c t\u00ednh b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng: log2 (6) = 2,58. \u0110\u1ec3 tham kh\u1ea3o, s\u1ebd ph\u1ea3i m\u1ea5t h\u00e0ng ngh\u00ecn t\u1ef7 n\u0103m si\u00eau m\u00e1y t\u00ednh m\u1ea1nh nh\u1ea5t th\u1ebf gi\u1edbi m\u1edbi c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng kh\u00f3a 256-bit.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">V\u00ec v\u1eady, h\u00e3y tung x\u00fac x\u1eafc v\u00e0 nh\u1eadp s\u1ed1 t\u01b0\u01a1ng \u1ee9ng cho m\u1ed7i l\u1ea7n tung. L\u1eb7p l\u1ea1i qu\u00e1 tr\u00ecnh n\u00e0y nhi\u1ec1u nh\u01b0 b\u1ea1n mu\u1ed1n. N\u1ebfu b\u1ea1n cu\u1ed9n \u00edt h\u01a1n 50 l\u1ea7n, th\u00ec Coldcard s\u1ebd th\u00eam entropy c\u1ea7n thi\u1ebft c\u00f2n l\u1ea1i v\u1edbi TRNG. Sau \u0111\u00f3 nh\u1ea5n &#8220;OK&#8221;.<\/span><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-16616\" src=\"https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-40.jpg\" alt=\"Bitcoin, BTC, crypto\" width=\"900\" height=\"675\" srcset=\"https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-40.jpg 2000w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-40-300x225.jpg 300w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-40-1024x768.jpg 1024w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-40-150x113.jpg 150w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-40-768x576.jpg 768w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-40-1536x1152.jpg 1536w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-40-450x338.jpg 450w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-40-1200x900.jpg 1200w\" sizes=\"(max-width: 900px) 100vw, 900px\" \/> <img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-16617\" src=\"https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a2-13.jpg\" alt=\"\" width=\"900\" height=\"675\" srcset=\"https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a2-13.jpg 2000w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a2-13-300x225.jpg 300w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a2-13-1024x768.jpg 1024w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a2-13-150x113.jpg 150w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a2-13-768x576.jpg 768w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a2-13-1536x1152.jpg 1536w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a2-13-450x338.jpg 450w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a2-13-1200x900.jpg 1200w\" sizes=\"(max-width: 900px) 100vw, 900px\" \/><\/p>\n<p><span style=\"font-weight: 400;\">B\u00e2y gi\u1edd b\u1ea1n s\u1ebd th\u1ea5y m\u1ed9t danh s\u00e1ch 24 t\u1eeb m\u1edbi. Vi\u1ebft nh\u1eefng t\u1eeb n\u00e0y v\u00e0o gi\u1ea5y ghi ch\u00fa c\u1ee7a b\u1ea1n. Sau \u0111\u00f3, h\u00e3y ki\u1ec3m tra l\u1ea1i c\u00f4ng vi\u1ec7c c\u1ee7a b\u1ea1n.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Sau khi v\u01b0\u1ee3t qua b\u00e0i ki\u1ec3m tra, b\u1ea1n s\u1ebd \u1edf menu ch\u00ednh c\u1ee7a Coldcard.<\/span><\/p>\n<figure id=\"attachment_16620\" aria-describedby=\"caption-attachment-16620\" style=\"width: 900px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-16620\" src=\"https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a3-6.jpg\" alt=\"\" width=\"900\" height=\"675\" srcset=\"https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a3-6.jpg 1400w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a3-6-300x225.jpg 300w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a3-6-1024x768.jpg 1024w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a3-6-150x113.jpg 150w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a3-6-768x576.jpg 768w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a3-6-450x338.jpg 450w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a3-6-1200x900.jpg 1200w\" sizes=\"(max-width: 900px) 100vw, 900px\" \/><figcaption id=\"caption-attachment-16620\" class=\"wp-caption-text\">B\u1ea1n s\u1ebd \u0111\u01b0\u1ee3c y\u00eau c\u1ea7u l\u00e0m m\u1ed9t b\u00e0i ki\u1ec3m tra \u0111\u1ec3 ch\u1ee9ng minh r\u1eb1ng b\u1ea1n \u0111\u00e3 vi\u1ebft \u0111\u00fang c\u00e1c t\u1eeb.<\/figcaption><\/figure>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-16618\" src=\"https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-41.jpg\" alt=\"Bitcoin, BTC, crypto\" width=\"900\" height=\"675\" srcset=\"https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-41.jpg 2000w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-41-300x225.jpg 300w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-41-1024x768.jpg 1024w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-41-150x113.jpg 150w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-41-768x576.jpg 768w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-41-1536x1152.jpg 1536w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-41-450x338.jpg 450w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-41-1200x900.jpg 1200w\" sizes=\"(max-width: 900px) 100vw, 900px\" \/> <img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-16619\" src=\"https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a2-14.jpg\" alt=\"\" width=\"900\" height=\"675\" srcset=\"https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a2-14.jpg 2000w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a2-14-300x225.jpg 300w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a2-14-1024x768.jpg 1024w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a2-14-150x113.jpg 150w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a2-14-768x576.jpg 768w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a2-14-1536x1152.jpg 1536w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a2-14-450x338.jpg 450w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a2-14-1200x900.jpg 1200w\" sizes=\"(max-width: 900px) 100vw, 900px\" \/><\/p>\n<p><span style=\"font-weight: 400;\">N\u1ebfu b\u1ea1n kh\u00f4ng mu\u1ed1n th\u00eam c\u1ee5m m\u1eadt kh\u1ea9u, h\u00e3y chuy\u1ec3n sang B\u01b0\u1edbc th\u1ee9 b\u1ea3y: T\u00e1ch c\u1ee5m t\u1eeb h\u1ea1t gi\u1ed1ng b\u1eb1ng h\u1ea1t gi\u1ed1ng XOR.<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"BUOC_SAU_TAO_MOT_PASSPHRASE\"><\/span><span style=\"font-weight: 400;\">B\u01af\u1edaC S\u00c1U: T\u1ea0O M\u1ed8T PASSPHRASE<\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">T\u1eeb menu ch\u00ednh, ch\u1ecdn &#8220;Passphrase&#8221;, sau \u0111\u00f3 b\u1ea1n s\u1ebd th\u1ea5y gi\u1ea3i th\u00edch ng\u1eafn g\u1ecdn c\u1ea3nh b\u00e1o b\u1ea1n v\u1ec1 c\u00e1ch kh\u00f4ng th\u1ec3 kh\u00f4i ph\u1ee5c c\u00e1c c\u1ee5m m\u1eadt kh\u1ea9u, v\u00ec v\u1eady n\u1ebfu b\u1ea1n m\u1ea5t c\u1ee5m m\u1eadt kh\u1ea9u th\u00ec b\u1ea1n s\u1ebd m\u1ea5t quy\u1ec1n truy c\u1eadp v\u00e0o ti\u1ec1n c\u1ee7a m\u00ecnh. N\u00f3 c\u0169ng c\u1ea3nh b\u00e1o b\u1ea1n r\u1eb1ng b\u1ea5t k\u1ef3 c\u1ee5m m\u1eadt kh\u1ea9u n\u00e0o b\u1ea1n nh\u1eadp s\u1ebd t\u1ea1o ra m\u1ed9t v\u00ed ho\u00e0n to\u00e0n ri\u00eang bi\u1ec7t.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Sau khi \u0111\u1ecdc qua c\u1ea3nh b\u00e1o, h\u00e3y ch\u1ecdn &#8220;OK&#8221; \u0111\u1ec3 ti\u1ebfp t\u1ee5c, sau \u0111\u00f3 b\u1ea1n c\u00f3 m\u1ed9t s\u1ed1 t\u00f9y ch\u1ecdn v\u1ec1 c\u1ee5m m\u1eadt kh\u1ea9u m\u00e0 b\u1ea1n c\u00f3 th\u1ec3 nh\u1eadp:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Ch\u1ecdn b\u1ea5t k\u1ef3 lo\u1ea1i k\u00fd t\u1ef1 n\u00e0o, v\u00ed d\u1ee5: h &amp; v03kNUU6768% 6J<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Ch\u1ecdn t\u1eeb c\u00e1c t\u1eeb vi\u1ebft th\u01b0\u1eddng, v\u00ed d\u1ee5: truy\u1ec7n tranh nguy hi\u1ec3m b\u1eb1ng k\u00ednh madagascar<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Ch\u1ecdn t\u1eeb c\u00e1c t\u1eeb vi\u1ebft hoa, v\u00ed d\u1ee5: DIFFER MEDIA MORE GRASS<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Ch\u1ecdn b\u1ea5t k\u1ef3 lo\u1ea1i s\u1ed1 n\u00e0o, v\u00ed d\u1ee5: 1948568742364521<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Ch\u1ecdn b\u1ea5t k\u1ef3 k\u1ebft h\u1ee3p n\u00e0o c\u1ee7a b\u1ea5t k\u1ef3 c\u00e1ch n\u00e0o \u1edf tr\u00ean, v\u00ed d\u1ee5: h &amp; v03comicDIFFER194856<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">B\u1ea1n c\u00f3 th\u1ec3 t\u1ea1o c\u1ee5m m\u1eadt kh\u1ea9u c\u1ee7a m\u00ecnh b\u1ea5t c\u1ee9 th\u1ee9 g\u00ec b\u1ea1n mu\u1ed1n. Ch\u1ec9 c\u1ea7n ghi nh\u1edb r\u1eb1ng n\u1ebfu b\u1ea1n m\u1ea5t n\u00f3, b\u1ea1n s\u1ebd m\u1ea5t bitcoin. C\u0169ng xin l\u01b0u \u00fd r\u1eb1ng c\u00f3 th\u1ec3 kh\u00f4ng ph\u1ea3i b\u1ea1n \u0111ang thu h\u1ed3i ti\u1ec1n m\u00e0 c\u00f3 th\u1ec3 l\u00e0 v\u1ee3 \/ ch\u1ed3ng ho\u1eb7c con c\u1ee7a b\u1ea1n ho\u1eb7c ng\u01b0\u1eddi kh\u00e1c, v\u00ec v\u1eady h\u00e3y ngh\u0129 v\u1ec1 m\u1ee9c \u0111\u1ed9 ph\u1ee9c t\u1ea1p c\u1ee7a m\u00f4 h\u00ecnh b\u1ea3o m\u1eadt c\u1ee7a b\u1ea1n v\u00e0 li\u1ec7u h\u1ecd c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng n\u00f3 n\u1ebfu b\u1ea1n \u0111\u00e3 ra \u0111i hay kh\u00f4ng.<\/span><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-16621\" src=\"https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-42.jpg\" alt=\"Bitcoin, crypto, BTC\" width=\"900\" height=\"675\" srcset=\"https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-42.jpg 2000w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-42-300x225.jpg 300w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-42-1024x768.jpg 1024w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-42-150x113.jpg 150w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-42-768x576.jpg 768w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-42-1536x1152.jpg 1536w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-42-450x338.jpg 450w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-42-1200x900.jpg 1200w\" sizes=\"(max-width: 900px) 100vw, 900px\" \/> <img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-16622\" src=\"https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a2-15.jpg\" alt=\"\" width=\"900\" height=\"675\" srcset=\"https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a2-15.jpg 2000w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a2-15-300x225.jpg 300w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a2-15-1024x768.jpg 1024w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a2-15-150x113.jpg 150w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a2-15-768x576.jpg 768w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a2-15-1536x1152.jpg 1536w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a2-15-450x338.jpg 450w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a2-15-1200x900.jpg 1200w\" sizes=\"(max-width: 900px) 100vw, 900px\" \/> <img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-16623\" src=\"https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a3-7.jpg\" alt=\"\" width=\"900\" height=\"675\" srcset=\"https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a3-7.jpg 2000w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a3-7-300x225.jpg 300w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a3-7-1024x768.jpg 1024w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a3-7-150x113.jpg 150w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a3-7-768x576.jpg 768w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a3-7-1536x1152.jpg 1536w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a3-7-450x338.jpg 450w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a3-7-1200x900.jpg 1200w\" sizes=\"(max-width: 900px) 100vw, 900px\" \/><\/p>\n<figure id=\"attachment_16624\" aria-describedby=\"caption-attachment-16624\" style=\"width: 900px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-16624\" src=\"https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-43.jpg\" alt=\"Bitcoin, crypto, BTC\" width=\"900\" height=\"675\" srcset=\"https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-43.jpg 1400w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-43-300x225.jpg 300w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-43-1024x768.jpg 1024w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-43-150x113.jpg 150w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-43-768x576.jpg 768w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-43-450x338.jpg 450w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-43-1200x900.jpg 1200w\" sizes=\"(max-width: 900px) 100vw, 900px\" \/><figcaption id=\"caption-attachment-16624\" class=\"wp-caption-text\">Nh\u1ea5n &#8220;OK&#8221; \u0111\u1ec3 v\u00e0o v\u00ed m\u1edbi n\u00e0y.<\/figcaption><\/figure>\n<p><span style=\"font-weight: 400;\">T\u1ea1i th\u1eddi \u0111i\u1ec3m n\u00e0y, t\u00f4i khuy\u00ean b\u1ea1n n\u00ean ki\u1ec3m tra k\u1ef9 c\u00f4ng vi\u1ec7c c\u1ee7a m\u00ecnh b\u1eb1ng c\u00e1ch c\u1ed1 g\u1eafng t\u1ea1o l\u1ea1i d\u1ea5u v\u00e2n tay n\u00e0y trong m\u1ed9t v\u00ed kh\u00e1c b\u1eb1ng c\u00e1ch nh\u1eadp 24 t\u1eeb c\u1ee7a b\u1ea1n v\u00e0 sau \u0111\u00f3 \u00e1p d\u1ee5ng c\u1ee5m m\u1eadt kh\u1ea9u. N\u1ebfu b\u1ea1n \u0111\u00e3 ghi l\u1ea1i m\u1ecdi th\u1ee9 \u0111\u00fang c\u00e1ch, th\u00ec b\u1ea1n s\u1ebd c\u00f3 th\u1ec3 l\u1ea5y c\u00f9ng m\u1ed9t d\u1ea5u v\u00e2n tay t\u1eeb v\u00ed kia.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">V\u00ed d\u1ee5: &#8211; v\u00e0 vui l\u00f2ng xem x\u00e9t c\u00e1c t\u00e1c \u0111\u1ed9ng m\u00e0 \u0111i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 c\u00f3 \u0111\u1ed1i v\u1edbi vi\u1ec7c gi\u1eef cho v\u00ed c\u1ee7a b\u1ea1n \u0111\u01b0\u1ee3c ph\u00e1t tr\u1ef1c tuy\u1ebfn ho\u00e0n to\u00e0n &#8211; h\u00e3y s\u1eed d\u1ee5ng Sparrow Wallet \u1edf ch\u1ebf \u0111\u1ed9 ngo\u1ea1i tuy\u1ebfn v\u00e0 t\u1ed1t nh\u1ea5t l\u00e0 khi \u0111\u00e3 t\u1eaft WiFi v\u00e0 ng\u1eaft k\u1ebft n\u1ed1i c\u00e1p m\u1ea1ng kh\u1ecfi m\u00e1y t\u00ednh \u0111\u1ec3 b\u00e0n.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Kh\u00f4ng l\u01b0u v\u00ed tr\u1eeb khi b\u1ea1n mu\u1ed1n c\u00f3 phi\u00ean b\u1ea3n th\u1ee9 hai c\u1ee7a v\u00ed Coldcard tr\u00ean m\u00e1y t\u00ednh \u0111\u1ec3 b\u00e0n. Ho\u1eb7c, n\u1ebfu b\u1ea1n t\u1ea1o v\u00e0 l\u01b0u t\u1ec7p v\u00ed, th\u00ec b\u1ea1n lu\u00f4n c\u00f3 th\u1ec3 \u0111i\u1ec1u h\u01b0\u1edbng \u0111\u1ebfn <strong>C: \\ Users \\ YourUserName \\ AppData \\ Roaming \\ Sparrow \\ wallet<\/strong> v\u00e0 x\u00f3a t\u1ec7p v\u00ed t\u1eeb \u0111\u00f3. B\u1ea1n ch\u1ec9 mu\u1ed1n c\u1ea9n th\u1eadn v\u1ec1 vi\u1ec7c c\u00f3 b\u1ea5t k\u1ef3 tr\u01b0\u1eddng h\u1ee3p th\u1ee9 hai n\u00e0o trong v\u00ed c\u1ee7a m\u00ecnh.<\/span><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-16625\" src=\"https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-18.png\" alt=\"Bitcoin, BTC, crypto\" width=\"900\" height=\"998\" srcset=\"https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-18.png 662w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-18-271x300.png 271w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-18-135x150.png 135w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-18-150x166.png 150w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-18-450x499.png 450w\" sizes=\"(max-width: 900px) 100vw, 900px\" \/> <img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-16626\" src=\"https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a2-5.png\" alt=\"\" width=\"900\" height=\"616\" srcset=\"https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a2-5.png 889w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a2-5-300x205.png 300w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a2-5-150x103.png 150w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a2-5-768x525.png 768w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a2-5-450x308.png 450w\" sizes=\"(max-width: 900px) 100vw, 900px\" \/><\/p>\n<p><span style=\"font-weight: 400;\">Ngo\u00e0i ra, b\u1ea1n c\u0169ng c\u00f3 th\u1ec3 th\u1ef1c hi\u1ec7n ki\u1ec3m tra n\u00e0y v\u1edbi Coldcard c\u1ee7a m\u00ecnh b\u1eb1ng c\u00e1ch \u0111i\u1ec1u h\u01b0\u1edbng \u0111\u1ebfn &#8220;Advanced&#8221;, sau \u0111\u00f3 &#8220;Danger Zone&#8221;, sau \u0111\u00f3 &#8220;Seed Functions&#8221;, sau \u0111\u00f3 &#8220;Destroy Seed&#8221;. Khi b\u1ea1n \u0111\u00e3 x\u00f3a h\u1ea1t gi\u1ed1ng c\u1ee7a m\u00ecnh, th\u00ec b\u1ea1n c\u00f3 th\u1ec3 nh\u1eadp n\u00f3 b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng th\u1ebb ghi ch\u00fa d\u1ef1 ph\u00f2ng v\u00e0 c\u1ee5m m\u1eadt kh\u1ea9u b\u1ea1n \u0111\u00e3 vi\u1ebft ra.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">N\u1ebfu m\u1ecdi th\u1ee9 di\u1ec5n ra t\u1ed1t \u0111\u1eb9p, th\u00ec b\u1ea1n s\u1ebd nh\u1eadn \u0111\u01b0\u1ee3c c\u00f9ng m\u1ed9t d\u1ea5u v\u00e2n tay v\u00ed nh\u01b0 d\u1ea5u v\u00e2n tay b\u1ea1n \u0111\u00e3 vi\u1ebft ra ban \u0111\u1ea7u. \u01afu \u0111i\u1ec3m c\u1ee7a c\u00e1ch ti\u1ebfp c\u1eadn n\u00e0y l\u00e0 b\u1ea1n kh\u00f4ng c\u1ea7n nh\u1eadp c\u00e1c t\u1eeb g\u1ed1c v\u00e0 c\u1ee5m m\u1eadt kh\u1ea9u c\u1ee7a m\u00ecnh tr\u00ean m\u00e1y t\u00ednh, m\u1eb7c d\u00f9 n\u00f3 n\u1eb1m trong v\u00ed ngo\u1ea1i tuy\u1ebfn v\u00e0 m\u00e1y t\u00ednh \u0111\u00e3 b\u1ecb ng\u1eaft k\u1ebft n\u1ed1i m\u1ea1ng, b\u1ea1n kh\u00f4ng bao gi\u1edd bi\u1ebft \u0111\u01b0\u1ee3c.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Khi b\u1ea1n \u0111\u00e3 vi\u1ebft ra th\u00f4ng tin kh\u00f4i ph\u1ee5c c\u1ee7a m\u00ecnh v\u00e0 b\u1ea1n t\u1ef1 tin r\u1eb1ng th\u00f4ng tin \u0111\u00f3 l\u00e0 ch\u00ednh x\u00e1c b\u1eb1ng b\u1ea5t k\u1ef3 ph\u01b0\u01a1ng ti\u1ec7n n\u00e0o b\u1ea1n ch\u1ecdn, th\u00ec b\u1ea1n \u0111\u00e3 s\u1eb5n s\u00e0ng \u0111\u1ec3 t\u00e1ch h\u1ea1t.<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"BUOC_BAY_NAM_GIUA_HAT_GIONG_BANG_SEED_XOR\"><\/span><span style=\"font-weight: 400;\">B\u01af\u1edaC B\u1ea2Y: N\u1eaeM GI\u1eeeA H\u1ea0T GI\u1ed0NG B\u1eb0NG SEED XOR<\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">\u0110\u1ec3 \u0111\u01b0\u1ee3c gi\u1ea3i th\u00edch chi ti\u1ebft v\u1ec1 Seed XOR l\u00e0 g\u00ec v\u00e0 n\u00f3 ho\u1ea1t \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o, h\u00e3y xem t\u00e0i nguy\u00ean n\u00e0y c\u1ee7a @BitcoinQ_A.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Theo c\u00e1ch n\u00f3i c\u1ee7a t\u00f4i v\u00e0 nh\u01b0 m\u1ed9t l\u1eddi gi\u1ea3i th\u00edch \u1edf c\u1ea5p \u0111\u1ed9 cao, v\u1edbi Seed XOR, b\u1ea1n c\u00f3 th\u1ec3 \u00e1p d\u1ee5ng m\u1ed9t s\u1ed1 ph\u00e9p to\u00e1n cho c\u1ee5m t\u1eeb h\u1ea1t gi\u1ed1ng c\u1ee7a m\u00ecnh \u0111\u1ec3 t\u1ea1o ra nhi\u1ec1u c\u1ee5m t\u1eeb h\u1ea1t gi\u1ed1ng ch\u1ee9c n\u0103ng, \u0111\u1ed9c l\u1eadp. Nh\u1eefng c\u1ee5m t\u1eeb h\u1ea1t gi\u1ed1ng n\u00e0y c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c k\u1ebft h\u1ee3p sau \u0111\u00f3 \u0111\u1ec3 t\u1ea1o l\u1ea1i h\u1ea1t gi\u1ed1ng ban \u0111\u1ea7u. V\u00ec v\u1eady, h\u00e3y t\u01b0\u1edfng t\u01b0\u1ee3ng r\u1eb1ng b\u1ea1n c\u00f3 c\u1ee5m t\u1eeb h\u1ea1t gi\u1ed1ng c\u1ee7a m\u00ecnh v\u00e0 b\u1ea1n s\u1eed d\u1ee5ng Seed XOR \u0111\u1ec3 chia n\u00f3 th\u00e0nh ba ph\u1ea7n &#8211; c\u1ea3 ba ph\u1ea7n b\u00e2y gi\u1edd s\u1ebd c\u1ea7n thi\u1ebft \u0111\u1ec3 t\u1ea1o l\u1ea1i v\u00ed v\u00e0 kh\u00f4i ph\u1ee5c bitcoin c\u1ee7a b\u1ea1n. N\u1ebfu b\u1ea1n \u0111\u00e3 th\u00eam c\u1ee5m m\u1eadt kh\u1ea9u v\u00e0o c\u1ee5m t\u1eeb h\u1ea1t gi\u1ed1ng ban \u0111\u1ea7u c\u1ee7a m\u00ecnh, th\u00ec b\u1ea1n s\u1ebd c\u1ea7n c\u1ea3 ba ph\u1ea7n c\u1ed9ng v\u1edbi c\u1ee5m m\u1eadt kh\u1ea9u \u0111\u1ec3 kh\u00f4i ph\u1ee5c bitcoin c\u1ee7a m\u00ecnh.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">V\u1ea5n \u0111\u1ec1 m\u00e0 \u0111i\u1ec1u n\u00e0y \u0111ang gi\u1ea3i quy\u1ebft l\u00e0 n\u1ebfu b\u1ea1n ch\u1ec9 c\u00f3 m\u1ed9t c\u1ee5m t\u1eeb h\u1ea1t gi\u1ed1ng 24 t\u1eeb v\u00e0 b\u1ea1n \u0111\u00f3ng d\u1ea5u n\u00f3 tr\u00ean SeedPlate th\u00e9p, th\u00ec b\u1ea5t k\u1ef3 ai c\u00f3 quy\u1ec1n truy c\u1eadp v\u00e0o b\u1ea3ng \u0111\u00f3 \u0111\u1ec1u c\u00f3 th\u1ec3 l\u1ea5y l\u1ea1i v\u00ed c\u1ee7a b\u1ea1n v\u00e0 qu\u1eb9t ti\u1ec1n c\u1ee7a b\u1ea1n. R\u00f5 r\u00e0ng, m\u1ed9t c\u1ee5m m\u1eadt kh\u1ea9u c\u0169ng s\u1ebd ng\u0103n \u0111i\u1ec1u n\u00e0y x\u1ea3y ra, gi\u1ea3 s\u1eed r\u1eb1ng b\u1ea1n \u0111\u00e3 s\u1eed d\u1ee5ng m\u1ed9t c\u1ee5m m\u1eadt kh\u1ea9u entropy cao. Nh\u01b0ng n\u1ebfu b\u1ea1n s\u1eed d\u1ee5ng m\u1ed9t c\u1ee5m m\u1eadt kh\u1ea9u y\u1ebfu, th\u00ec n\u00f3 c\u00f3 th\u1ec3 b\u1ecb \u0111o\u00e1n ho\u1eb7c b\u1ecb \u00e9p m\u1ed9t c\u00e1ch th\u00f4 b\u1ea1o v\u00e0 k\u1ebft h\u1ee3p v\u1edbi 24 t\u1eeb c\u1ee7a b\u1ea1n \u0111\u1ec3 \u0111\u00e1nh c\u1eafp bitcoin c\u1ee7a b\u1ea1n.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">V\u00ec v\u1eady, v\u1edbi Seed XOR, b\u1ea1n c\u00f3 th\u1ec3 chia h\u1ea1t gi\u1ed1ng c\u1ee7a m\u00ecnh th\u00e0nh nhi\u1ec1u ph\u1ea7n v\u00e0 sau \u0111\u00f3 y\u00ean t\u00e2m r\u1eb1ng n\u1ebfu ai \u0111\u00f3 c\u00f3 quy\u1ec1n truy c\u1eadp v\u00e0o b\u1ea5t k\u1ef3 ph\u1ea7n n\u00e0o trong s\u1ed1 ch\u00fang, th\u00ec h\u1ecd s\u1ebd c\u1ea7n t\u1ea5t c\u1ea3 c\u00e1c ph\u1ea7n \u0111\u00f3 v\u00e0 h\u1ecd s\u1ebd c\u1ea7n bi\u1ebft Seed XOR ho\u1ea1t \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o \u0111\u1ec3 \u0103n c\u1eafp ti\u1ec1n c\u1ee7a b\u1ea1n. V\u00e0, n\u1ebfu b\u1ea1n s\u1eed d\u1ee5ng c\u1ee5m m\u1eadt kh\u1ea9u tr\u00ean 24 t\u1eeb ban \u0111\u1ea7u, th\u00ec h\u1ecd c\u0169ng s\u1ebd c\u1ea7n \u0111i\u1ec1u \u0111\u00f3. N\u1ebfu m\u1ed9t \u0111\u0129a duy nh\u1ea5t \u0111\u01b0\u1ee3c t\u00ecm th\u1ea5y th\u00ec b\u1ea1n th\u1eadm ch\u00ed c\u00f3 th\u1ec3 c\u00f3 m\u1ed9t s\u1ed1 bitcoin h\u1ea5p d\u1eabn \u0111\u01b0\u1ee3c c\u1ea5t gi\u1eef tr\u00ean \u0111\u00f3 \u0111\u1ec3 hy v\u1ecdng l\u00e0m h\u00e0i l\u00f2ng k\u1ebb t\u1ea5n c\u00f4ng c\u1ee7a b\u1ea1n v\u00e0 s\u1ed1ng trong m\u1ed9t ng\u00e0y kh\u00e1c. \u0110\u00e2y l\u00e0 m\u1ee9c \u0111\u1ed9 ph\u1ee9c t\u1ea1p n\u00e2ng cao s\u1ebd \u0111\u1ea3m b\u1ea3o an to\u00e0n cho bitcoin c\u1ee7a b\u1ea1n trong m\u00f4i tr\u01b0\u1eddng c\u00f3 nhi\u1ec1u \u0111\u1ed1i th\u1ee7 nh\u1ea5t.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">M\u1ed9t s\u1ed1 \u0111i\u1ec3m c\u00e2n b\u1eb1ng v\u1edbi c\u00e1ch ti\u1ebfp c\u1eadn n\u00e0y l\u00e0 n\u1ebfu nh\u1eefng ng\u01b0\u1eddi th\u00e2n y\u00eau c\u1ee7a b\u1ea1n c\u1ea7n kh\u00f4i ph\u1ee5c s\u1ed1 bitcoin c\u1ee7a b\u1ea1n sau khi b\u1ea1n m\u1ea5t, th\u00ec h\u1ecd s\u1ebd c\u1ea7n ph\u1ea3i ho\u00e0n th\u00e0nh c\u00e1c b\u01b0\u1edbc n\u00e0y. \u0110i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 c\u00f3 ngh\u0129a l\u00e0 b\u1ea1n s\u1ebd c\u1ea7n \u0111\u1ec3 l\u1ea1i cho h\u1ecd c\u00e1c h\u01b0\u1edbng d\u1eabn r\u1ea5t r\u00f5 r\u00e0ng, nh\u01b0ng b\u1ea3n th\u00e2n c\u00e1c h\u01b0\u1edbng d\u1eabn sau \u0111\u00f3 tr\u1edf th\u00e0nh m\u1ed9t th\u00f4ng tin kh\u00e1c m\u00e0 b\u1ea1n c\u1ea7n b\u1ea3o m\u1eadt v\u00ec n\u1ebfu k\u1ebb th\u00f9 t\u00ecm th\u1ea5y h\u01b0\u1edbng d\u1eabn c\u1ee7a b\u1ea1n, th\u00ec h\u1ecd c\u00f3 th\u1ec3 l\u00e0m theo \u0111\u1ec3 \u0111\u00e1nh c\u1eafp bitcoin c\u1ee7a b\u1ea1n n\u1ebfu h\u1ecd c\u00f3 th\u1ec3 x\u00e1c \u0111\u1ecbnh v\u1ecb tr\u00ed c\u1ee7a t\u1ea5t c\u1ea3 c\u00e1c t\u1ea5m th\u00e9p.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u0110i\u1ec1u n\u00e0y d\u1eabn \u0111\u1ebfn m\u1ed9t s\u1ef1 \u0111\u00e1nh \u0111\u1ed5i kh\u00e1c: t\u00f9y thu\u1ed9c v\u00e0o s\u1ed1 l\u01b0\u1ee3ng b\u1ea1n chia h\u1ea1t gi\u1ed1ng th\u00e0nh bao nhi\u00eau ph\u1ea7n v\u00e0 b\u1ea1n c\u00f3 s\u1eed d\u1ee5ng c\u1ee5m m\u1eadt kh\u1ea9u hay kh\u00f4ng, b\u1ea1n c\u00f3 th\u1ec3 c\u1eadp nh\u1eadt m\u1ed9t s\u1ed1 th\u00f4ng tin quan tr\u1ecdng m\u00e0 b\u1ea1n c\u1ea7n b\u1ea3o m\u1eadt \u0111\u1ec3 kh\u00f4i ph\u1ee5c Bitcoin c\u1ee7a m\u00ecnh.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">H\u00e3y t\u01b0\u1edfng t\u01b0\u1ee3ng r\u1eb1ng b\u1ea1n c\u00f3 ba t\u1ea5m bi\u1ec3n v\u00e0 m\u1ed9t c\u1ee5m m\u1eadt kh\u1ea9u v\u00e0 h\u01b0\u1edbng d\u1eabn cho gia \u0111\u00ecnh m\u00ecnh &#8211; \u0111\u00f3 l\u00e0 n\u0103m ph\u1ea7n th\u00f4ng tin m\u00e0 b\u1ea1n ph\u1ea3i \u0111\u1ea3m b\u1ea3o an to\u00e0n. Vi\u1ec7c b\u1ea3o m\u1eadt t\u1ea5t c\u1ea3 ch\u00fang \u1edf c\u00f9ng m\u1ed9t v\u1ecb tr\u00ed \u0111\u1ecba l\u00fd c\u00f3 th\u1ec3 l\u00e0 m\u1ed9t v\u1ea5n \u0111\u1ec1 n\u1ebfu b\u1ea1n t\u1eebng b\u1ecb \u0111e d\u1ecda t\u00ednh m\u1ea1ng trong m\u1ed9t v\u1ee5 c\u01b0\u1edbp v\u00e0 k\u1ebb t\u1ea5n c\u00f4ng kh\u00f4ng ng\u1eebng t\u00ecm ki\u1ebfm bitcoin nhi\u1ec1u h\u01a1n ho\u1eb7c n\u1ebfu c\u00f3 m\u1ed9t th\u1ea3m h\u1ecda m\u00f4i tr\u01b0\u1eddng nh\u01b0 l\u0169 l\u1ee5t qu\u00e9t s\u1ea1ch m\u1ecdi th\u1ee9. B\u1ed1n trong s\u1ed1 n\u0103m m\u1ea3nh \u0111\u00f3 l\u00e0 ho\u00e0n to\u00e0n c\u1ea7n thi\u1ebft \u0111\u1ec3 kh\u00f4i ph\u1ee5c bitcoin v\u00e0 \u0111\u00f3 l\u00e0 v\u1edbi gi\u1ea3 \u0111\u1ecbnh r\u1eb1ng b\u1ea1n \u0111ang kh\u00f4i ph\u1ee5c <a href=\"https:\/\/www.fiahub.com\">Bitcoin<\/a>. N\u1ebfu \u0111\u00f3 l\u00e0 gia \u0111\u00ecnh c\u1ee7a b\u1ea1n, th\u00ec h\u1ecd s\u1ebd c\u1ea7n t\u1ea5t c\u1ea3 n\u0103m m\u1ea3nh, n\u1ebfu kh\u00f4ng t\u1ea5t c\u1ea3 c\u00f3 th\u1ec3 b\u1ecb m\u1ea5t.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">C\u00f3 r\u1ea5t nhi\u1ec1u \u0111i\u1ec1u ph\u1ea3i suy ngh\u0129 v\u1edbi c\u00e1c m\u00f4 h\u00ecnh m\u1ed1i \u0111e d\u1ecda v\u00e0 c\u00e1c k\u1ebf ho\u1ea1ch kh\u00f4i ph\u1ee5c. T\u00f4i khuy\u00ean b\u1ea1n n\u00ean c\u00e2n nh\u1eafc c\u00e1c l\u1ef1a ch\u1ecdn c\u1ee7a m\u00ecnh m\u1ed9t c\u00e1ch c\u1ea9n th\u1eadn v\u00e0 suy ngh\u0129 v\u1ec1 thi\u1ebft l\u1eadp c\u1ee7a b\u1ea1n trong nhi\u1ec1u ng\u00e0y tr\u01b0\u1edbc khi quy\u1ebft \u0111\u1ecbnh m\u1ed9t. C\u1ed1 g\u1eafng c\u00e2n nh\u1eafc t\u1ea5t c\u1ea3 nh\u1eefng \u0111\u00e1nh \u0111\u1ed5i m\u00e0 b\u1ea1n c\u00f3 th\u1ec3 ngh\u0129 \u0111\u1ebfn, n\u00f3i chuy\u1ec7n v\u1edbi nh\u1eefng ng\u01b0\u1eddi th\u00e2n y\u00eau c\u1ee7a b\u1ea1n v\u00e0 th\u1eadm ch\u00ed c\u00f3 th\u1ec3 th\u1eed th\u1ef1c hi\u1ec7n m\u1ed9t s\u1ed1 quy tr\u00ecnh v\u1edbi h\u1ecd \u0111\u1ec3 \u0111\u00e1nh gi\u00e1 m\u1ee9c \u0111\u1ed9 hi\u1ec7u qu\u1ea3 c\u1ee7a nh\u1eefng kh\u00e1i ni\u1ec7m n\u00e0y v\u1edbi h\u1ecd. N\u1ebfu Seed XOR gi\u1ea3i quy\u1ebft \u0111\u01b0\u1ee3c v\u1ea5n \u0111\u1ec1 cho b\u1ea1n v\u00e0 s\u1ef1 c\u00e2n b\u1eb1ng c\u00f3 th\u1ec3 ch\u1ea5p nh\u1eadn \u0111\u01b0\u1ee3c th\u00ec \u0111\u00e2y l\u00e0 c\u00e1ch n\u00f3 ho\u1ea1t \u0111\u1ed9ng.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u0110i\u1ec1u h\u01b0\u1edbng \u0111\u1ebfn &#8220;Advanced&#8221;, sau \u0111\u00f3 &#8220;Danger Zone&#8221;, sau \u0111\u00f3 &#8220;Seed Functions&#8221;, sau \u0111\u00f3 &#8220;Seed XOR&#8221;, sau \u0111\u00f3 &#8220;Ph\u00e2n chia hi\u1ec7n c\u00f3&#8221;. Sau \u0111\u00f3, b\u1ea1n s\u1ebd th\u1ea5y m\u1ed9t m\u00f4 t\u1ea3 ng\u1eafn v\u1ec1 nh\u1eefng g\u00ec b\u1ea1n s\u1eafp l\u00e0m v\u1edbi t\u00f9y ch\u1ecdn chia h\u1ea1t gi\u1ed1ng c\u1ee7a b\u1ea1n th\u00e0nh hai, ba ho\u1eb7c b\u1ed1n ph\u1ea7n.<\/span><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-16627 aligncenter\" src=\"https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-44.jpg\" alt=\"Bitcoin, BTC, crypto\" width=\"900\" height=\"675\" srcset=\"https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-44.jpg 2000w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-44-300x225.jpg 300w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-44-1024x768.jpg 1024w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-44-150x113.jpg 150w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-44-768x576.jpg 768w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-44-1536x1152.jpg 1536w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-44-450x338.jpg 450w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-44-1200x900.jpg 1200w\" sizes=\"(max-width: 900px) 100vw, 900px\" \/> <img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-16628\" src=\"https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a2-16.jpg\" alt=\"\" width=\"900\" height=\"675\" srcset=\"https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a2-16.jpg 2000w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a2-16-300x225.jpg 300w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a2-16-1024x768.jpg 1024w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a2-16-150x113.jpg 150w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a2-16-768x576.jpg 768w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a2-16-1536x1152.jpg 1536w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a2-16-450x338.jpg 450w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a2-16-1200x900.jpg 1200w\" sizes=\"(max-width: 900px) 100vw, 900px\" \/> <img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-16629\" src=\"https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a3-8.jpg\" alt=\"\" width=\"900\" height=\"675\" srcset=\"https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a3-8.jpg 2000w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a3-8-300x225.jpg 300w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a3-8-1024x768.jpg 1024w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a3-8-150x113.jpg 150w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a3-8-768x576.jpg 768w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a3-8-1536x1152.jpg 1536w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a3-8-450x338.jpg 450w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a3-8-1200x900.jpg 1200w\" sizes=\"(max-width: 900px) 100vw, 900px\" \/><\/p>\n<p><span style=\"font-weight: 400;\">C\u00e2n nh\u1eafc c\u1ea7n th\u1ef1c hi\u1ec7n \u1edf \u0111\u00e2y l\u00e0 n\u1ebfu b\u1ea1n k\u1ebft h\u1ee3p c\u00e1c ph\u1ea7n ph\u1ee5 x\u00e1c \u0111\u1ecbnh c\u1ee7a m\u00ecnh v\u00e0o ph\u1ea7n g\u1ed1c ban \u0111\u1ea7u v\u00e0 sau \u0111\u00f3 t\u00e1ch n\u00f3 ra m\u1ed9t l\u1ea7n n\u1eefa, n\u00f3 s\u1ebd t\u1ea1o ra c\u00e1c ph\u1ea7n ph\u1ee5 gi\u1ed1ng nhau, c\u00f3 ngh\u0129a l\u00e0 m\u1ed9t \u0111\u1ed1i th\u1ee7 \u0111\u01b0\u1ee3c th\u00f4ng b\u00e1o c\u00f3 th\u1ec3 k\u1ebft lu\u1eadn r\u1eb1ng thi\u1ebfu c\u00e1c ph\u1ea7n ph\u1ee5 n\u1ebfu k\u1ebft qu\u1ea3 kh\u00e1c v\u1edbi nh\u1eefng ph\u1ea7n h\u1ecd c\u00f3 s\u1eb5n ho\u1eb7c k\u1ebft lu\u1eadn r\u1eb1ng vi\u1ec7c t\u00e1ch ban \u0111\u1ea7u \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n m\u1ed9t c\u00e1ch ng\u1eabu nhi\u00ean.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Trong v\u00ed d\u1ee5 n\u00e0y, t\u00f4i chia h\u1ea1t gi\u1ed1ng ban \u0111\u1ea7u th\u00e0nh hai ph\u1ea7n. Khi h\u1ea1t gi\u1ed1ng \u0111\u01b0\u1ee3c t\u00e1ch ra, Coldcard s\u1ebd hi\u1ec3n th\u1ecb hai danh s\u00e1ch m\u1ed7i danh s\u00e1ch 24 t\u1eeb. Ghi l\u1ea1i c\u1ea3 hai danh s\u00e1ch v\u00e0 ki\u1ec3m tra k\u1ef9 xem b\u1ea1n l\u00e0m vi\u1ec7c. Th\u1ebb Coldcard s\u1ebd hi\u1ec3n th\u1ecb t\u1eeb th\u1ee9 24 c\u1ee7a h\u1ea1t gi\u1ed1ng ban \u0111\u1ea7u c\u1ee7a b\u1ea1n, b\u1ea1n n\u00ean l\u01b0u gi\u1eef t\u00e0i li\u1ec7u d\u01b0\u1edbi d\u1ea1ng t\u1ed5ng ki\u1ec3m tra \u0111\u1ec3 x\u00e1c minh vi\u1ec7c t\u00e1i t\u1ea1o th\u00edch h\u1ee3p sau n\u00e0y. Sau \u0111\u00f3, Coldcard s\u1ebd ki\u1ec3m tra b\u1ea1n 48, 72 ho\u1eb7c 96 t\u1eeb.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u0110\u00e2y l\u00e0 k\u1ebft qu\u1ea3 t\u00f4i nh\u1eadn \u0111\u01b0\u1ee3c khi t\u00e1ch h\u1ea1t gi\u1ed1ng m\u1ed9t c\u00e1ch x\u00e1c \u0111\u1ecbnh v\u00e0 ng\u1eabu nhi\u00ean th\u00e0nh hai ph\u1ea7n:<\/span><\/p>\n<figure id=\"attachment_16630\" aria-describedby=\"caption-attachment-16630\" style=\"width: 900px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-16630\" src=\"https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-45.jpg\" alt=\"Bitcoin, BTC, crypto\" width=\"900\" height=\"675\" srcset=\"https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-45.jpg 1400w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-45-300x225.jpg 300w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-45-1024x768.jpg 1024w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-45-150x113.jpg 150w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-45-768x576.jpg 768w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-45-450x338.jpg 450w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-45-1200x900.jpg 1200w\" sizes=\"(max-width: 900px) 100vw, 900px\" \/><figcaption id=\"caption-attachment-16630\" class=\"wp-caption-text\">K\u1ebft qu\u1ea3 t\u00f4i nh\u1eadn \u0111\u01b0\u1ee3c khi t\u00e1ch h\u1ea1t m\u1ed9t c\u00e1ch x\u00e1c \u0111\u1ecbnh v\u00e0 ng\u1eabu nhi\u00ean th\u00e0nh hai ph\u1ea7n.<\/figcaption><\/figure>\n<p><span style=\"font-weight: 400;\">\u0110\u1ec3 x\u00e1c minh c\u00f4ng vi\u1ec7c c\u1ee7a m\u00ecnh, b\u1ea1n c\u00f3 th\u1ec3 \u0111i\u1ec1u h\u01b0\u1edbng \u0111\u1ebfn &#8220;Advanced&#8221;, sau \u0111\u00f3 &#8220;Danger Zone&#8221;, sau \u0111\u00f3 &#8220;Seed Functions&#8221;, sau \u0111\u00f3 &#8220;Seed XOR&#8221; v\u00e0 cu\u1ed1i c\u00f9ng l\u00e0 &#8220;Restore Seed XOR.&#8221;<\/span><\/p>\n<p><span style=\"font-weight: 400;\">S\u1ebd c\u00f3 m\u1ed9t h\u1ed9p tho\u1ea1i ng\u1eafn \u0111\u01b0\u1ee3c tr\u00ecnh b\u00e0y gi\u1ea3i th\u00edch r\u1eb1ng b\u1ea1n \u0111\u00e3 c\u00f3 m\u1ed9t h\u1ea1t gi\u1ed1ng \u0111\u01b0\u1ee3c l\u01b0u tr\u1eef tr\u00ean Coldcard v\u00e0 n\u1ebfu b\u1ea1n t\u1ea1o l\u1ea1i m\u1ed9t h\u1ea1t gi\u1ed1ng t\u1eeb c\u00e1c ph\u1ea7n Seed XOR, h\u1ea1t gi\u1ed1ng k\u1ebft qu\u1ea3 s\u1ebd kh\u00f4ng \u0111\u01b0\u1ee3c l\u01b0u v\u00e0o ph\u1ea7n t\u1eed an to\u00e0n. V\u00ec v\u1eady, n\u1ebfu \u0111\u00e2y l\u00e0 m\u1ed9t cu\u1ed9c t\u00e1i thi\u1ebft th\u1ef1c s\u1ef1 ch\u1ee9 kh\u00f4ng ph\u1ea3i m\u1ed9t b\u00e0i t\u1eadp x\u00e1c minh, th\u00ec c\u00f3 th\u1ec3 b\u1ea1n s\u1ebd l\u00e0m vi\u1ec7c v\u1edbi m\u1ed9t Coldcard tr\u1ed1ng, nh\u01b0ng \u0111\u00e2y s\u1ebd l\u00e0 \u0111i\u1ec1u c\u1ea7n xem x\u00e9t trong t\u00ecnh hu\u1ed1ng b\u1ea1n \u0111\u00e3 c\u00f3 m\u1ed9t h\u1ea1t gi\u1ed1ng kh\u00e1c tr\u00ean Coldcard.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Trong b\u00e0i t\u1eadp n\u00e0y, b\u1ea1n s\u1ebd c\u00f3 t\u00f9y ch\u1ecdn bao g\u1ed3m h\u1ea1t gi\u1ed1ng \u0111\u01b0\u1ee3c l\u01b0u tr\u1eef c\u1ee7a Coldcard v\u1edbi vi\u1ec7c t\u00e1i t\u1ea1o Seed XOR. T\u00f4i khuy\u00ean b\u1ea1n n\u00ean ch\u1ecdn kh\u00f4ng bao g\u1ed3m n\u00f3 v\u00ec n\u00f3 l\u00e0 h\u1ea1t gi\u1ed1ng \u0111ang \u0111\u01b0\u1ee3c t\u00e1i t\u1ea1o, v\u00ec v\u1eady vi\u1ec7c bao g\u1ed3m n\u00f3 nh\u01b0 m\u1ed9t ph\u1ea7n c\u1ee7a qu\u00e1 tr\u00ecnh t\u00e1i t\u1ea1o s\u1ebd t\u1ea1o ra m\u1ed9t v\u00ed kh\u00e1c v\u1edbi v\u00ed ban \u0111\u1ea7u.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">T\u00f4i \u0111\u00e3 ch\u1ecdn h\u1ee7y h\u1ea1t gi\u1ed1ng ban \u0111\u1ea7u tr\u00ean Coldcard cho v\u00ed d\u1ee5 n\u00e0y \u0111\u1ec3 m\u00f4 ph\u1ecfng vi\u1ec7c t\u00e1i t\u1ea1o Seed XOR tr\u00ean m\u1ed9t Coldcard m\u1edbi v\u00e0 tr\u1ed1ng. T\u00f4i ch\u1ec9 khuy\u00ean b\u1ea1n n\u00ean h\u1ee7y h\u1ea1t gi\u1ed1ng c\u1ee7a m\u00ecnh n\u1ebfu b\u1ea1n bi\u1ebft m\u00ecnh \u0111ang l\u00e0m g\u00ec v\u00e0 ho\u00e0n to\u00e0n t\u1ef1 tin v\u00e0o ph\u01b0\u01a1ng ph\u00e1p sao l\u01b0u \u0111\u00e3 ch\u1ecdn c\u1ee7a m\u00ecnh.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">V\u00ed d\u1ee5, n\u1ebfu b\u1ea1n nh\u00ecn k\u1ef9 b\u1ee9c \u1ea3nh \u1edf tr\u00ean, t\u00f4i \u0111\u00e3 nh\u1ea7m l\u1eabn khi chia t\u00e1ch x\u00e1c \u0111\u1ecbnh, ph\u1ea7n hai, t\u1eeb 16. T\u00f4i \u0111\u00e3 vi\u1ebft ra &#8220;archieve&#8221;, \u0111\u00e2y kh\u00f4ng ph\u1ea3i l\u00e0 m\u1ed9t t\u1eeb n\u00e0o c\u1ea3. \u0110i\u1ec1u n\u00e0y khi\u1ebfn t\u00f4i v\u00f4 c\u00f9ng \u0111au \u0111\u1ea7u khi c\u1ed1 g\u1eafng t\u00ecm ra v\u00e0 ch\u1ec9 v\u00ec t\u00f4i \u0111\u00e3 ghi l\u1ea1i h\u1ea1t gi\u1ed1ng g\u1ed1c tr\u00ean t\u1edd gi\u1ea5y ghi ch\u00fa n\u00ean t\u00f4i m\u1edbi c\u00f3 th\u1ec3 nh\u1eadp h\u1ea1t gi\u1ed1ng \u0111\u00f3, t\u00e1ch n\u00f3 ra m\u1ed9t l\u1ea7n n\u1eefa, v\u00e0 sau \u0111\u00f3 ki\u1ec3m tra l\u1ea1i nh\u1eefng t\u1eeb t\u00f4i \u0111\u00e3 vi\u1ebft ra.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">V\u00ec v\u1eady, h\u00e3y \u0111\u1ea3m b\u1ea3o r\u1eb1ng b\u1ea1n \u0111ang ki\u1ec3m tra k\u1ef9 t\u1ea5t c\u1ea3 c\u00f4ng vi\u1ec7c c\u1ee7a m\u00ecnh v\u00e0 sau \u0111\u00f3 x\u00e1c minh r\u1eb1ng th\u00f4ng tin sao l\u01b0u th\u1ef1c s\u1ef1 ho\u1ea1t \u0111\u1ed9ng tr\u01b0\u1edbc khi b\u1ea1n g\u1eedi b\u1ea5t k\u1ef3 Bitcoin n\u00e0o ho\u1eb7c ph\u00e1 h\u1ee7y b\u1ea5t k\u1ef3 h\u1ed3 s\u01a1 n\u00e0o c\u1ee7a b\u1ea3n g\u1ed1c.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u0110\u1ec3 kh\u00f4i ph\u1ee5c t\u1eeb Seed XOR tr\u00ean Coldcard m\u1edbi ho\u1eb7c tr\u1ed1ng, h\u00e3y \u0111i\u1ec1u h\u01b0\u1edbng \u0111\u1ebfn &#8220;Inport Existing&#8221; r\u1ed3i \u0111\u1ebfn &#8220;Seed XOR&#8221;. B\u1ea1n s\u1ebd th\u1ea5y m\u1ed9t m\u00f4 t\u1ea3 ng\u1eafn cho b\u1ea1n bi\u1ebft t\u1ea5t c\u1ea3 c\u00e1c b\u1ed9 ph\u1eadn c\u1ea7n thi\u1ebft v\u00e0 Coldcard kh\u00f4ng c\u00f3 c\u00e1ch n\u00e0o \u0111\u1ec3 bi\u1ebft li\u1ec7u h\u1ea1t \u0111\u01b0\u1ee3c t\u00e1i t\u1ea1o c\u00f3 ch\u00ednh x\u00e1c hay kh\u00f4ng.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u0110\u1ec3 t\u00e1i t\u1ea1o l\u1ea1i ph\u00e2n t\u00e1ch x\u00e1c \u0111\u1ecbnh ho\u1eb7c ng\u1eabu nhi\u00ean, h\u00e3y ch\u1ecdn 23 t\u1eeb \u0111\u1ea7u ti\u00ean t\u1eeb ph\u1ea7n a theo th\u1ee9 t\u1ef1, sau \u0111\u00f3 Coldcard s\u1ebd tr\u00ecnh b\u00e0y m\u1ed9t danh s\u00e1ch ng\u1eafn \u0111\u1ec3 ch\u1ecdn t\u1eeb th\u1ee9 24 v\u00ec n\u00f3 l\u00e0 m\u1ed9t t\u1ed5ng ki\u1ec3m tra v\u1edbi kh\u1ea3 n\u0103ng h\u1ea1n ch\u1ebf. L\u1eb7p l\u1ea1i quy tr\u00ecnh cho ph\u1ea7n b. Sau \u0111\u00f3, Coldcard s\u1ebd cho b\u1ea1n th\u1ea5y t\u1eeb th\u1ee9 24 c\u1ee7a c\u1ee5m t\u1eeb h\u1ea1t gi\u1ed1ng k\u1ebft qu\u1ea3 s\u1ebd l\u00e0 g\u00ec n\u1ebfu b\u1ea1n d\u1eebng l\u1ea1i \u1edf th\u1eddi \u0111i\u1ec3m n\u00e0y v\u1edbi hai m\u1ea3nh.<\/span><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-16631\" src=\"https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-46.jpg\" alt=\"Bitcoin, BTC, crypto\" width=\"900\" height=\"675\" srcset=\"https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-46.jpg 2000w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-46-300x225.jpg 300w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-46-1024x768.jpg 1024w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-46-150x113.jpg 150w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-46-768x576.jpg 768w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-46-1536x1152.jpg 1536w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-46-450x338.jpg 450w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-46-1200x900.jpg 1200w\" sizes=\"(max-width: 900px) 100vw, 900px\" \/> <img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-16632\" src=\"https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a2-17.jpg\" alt=\"\" width=\"900\" height=\"675\" srcset=\"https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a2-17.jpg 2000w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a2-17-300x225.jpg 300w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a2-17-1024x768.jpg 1024w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a2-17-150x113.jpg 150w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a2-17-768x576.jpg 768w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a2-17-1536x1152.jpg 1536w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a2-17-450x338.jpg 450w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a2-17-1200x900.jpg 1200w\" sizes=\"(max-width: 900px) 100vw, 900px\" \/> <img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-16633\" src=\"https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a3-9.jpg\" alt=\"\" width=\"900\" height=\"675\" srcset=\"https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a3-9.jpg 2000w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a3-9-300x225.jpg 300w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a3-9-1024x768.jpg 1024w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a3-9-150x113.jpg 150w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a3-9-768x576.jpg 768w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a3-9-1536x1152.jpg 1536w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a3-9-450x338.jpg 450w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a3-9-1200x900.jpg 1200w\" sizes=\"(max-width: 900px) 100vw, 900px\" \/><\/p>\n<p><span style=\"font-weight: 400;\">\u0110\u00f3 l\u00e0 c\u00e1ch b\u1ea1n c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng Seed XOR v\u1edbi th\u1ebb ColdCard c\u1ee7a m\u00ecnh v\u00e0 \u0111\u00e2y l\u00e0 nh\u1eefng g\u00ec Seed XOR \u0111ang th\u1ef1c hi\u1ec7n b\u1eb1ng m\u1eadt m\u00e3:<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Khi k\u1ebft h\u1ee3p hai h\u1ea1t gi\u1ed1ng v\u1edbi nhau \u0111\u1ec3 kh\u00f4i ph\u1ee5c h\u1ea1t gi\u1ed1ng ban \u0111\u1ea7u c\u1ee7a b\u1ea1n, m\u1ecdi t\u1eeb trong c\u1ee5m t\u1eeb h\u1ea1t gi\u1ed1ng 24 t\u1eeb c\u1ee7a b\u1ea1n s\u1ebd \u0111\u01b0\u1ee3c chuy\u1ec3n \u0111\u1ed5i th\u00e0nh m\u1ed9t chu\u1ed7i hex g\u1ed3m ba ch\u1eef s\u1ed1, v\u00ed d\u1ee5:<\/span><\/p>\n<figure id=\"attachment_16634\" aria-describedby=\"caption-attachment-16634\" style=\"width: 900px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-16634\" src=\"https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-19.png\" alt=\"Bitcoin, BTC, crypto\" width=\"900\" height=\"736\" srcset=\"https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-19.png 450w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-19-300x245.png 300w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-19-150x123.png 150w\" sizes=\"(max-width: 900px) 100vw, 900px\" \/><figcaption id=\"caption-attachment-16634\" class=\"wp-caption-text\">Ngu\u1ed3n: https:\/\/seedxor.com\/files\/wordlist.pdf<\/figcaption><\/figure>\n<p><span style=\"font-weight: 400;\">Sau \u0111\u00f3, c\u00e1c gi\u00e1 tr\u1ecb hex \u0111\u01b0\u1ee3c k\u1ebft h\u1ee3p b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng m\u1ed9t b\u1ea3ng sao cho ch\u00fang \u0111\u01b0\u1ee3c k\u1ebft h\u1ee3p theo th\u1ee9 t\u1ef1 n\u00e0o kh\u00f4ng quan tr\u1ecdng. V\u00ed d\u1ee5: s\u1eed d\u1ee5ng b\u1ea3ng b\u00ean d\u01b0\u1edbi, gi\u1ea3 s\u1eed hai chu\u1ed7i hex \u0111\u1ea7u ti\u00ean m\u00e0 ch\u00fang t\u00f4i \u0111ang k\u1ebft h\u1ee3p b\u1eaft \u0111\u1ea7u b\u1eb1ng &#8220;7&#8221; v\u00e0 &#8220;9.&#8221;<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Nh\u00ecn v\u00e0o c\u00e1c \u00f4 vu\u00f4ng m\u00e0u \u0111\u1ecf, n\u1ebfu b\u1ea1n \u0111i theo c\u00e1c c\u1ed9t \u0111\u1ebfn &#8220;7&#8221;, sau \u0111\u00f3 \u0111i xu\u1ed1ng h\u00e0ng &#8220;9&#8221;, sau \u0111\u00f3 b\u1ea1n \u0111\u1ebfn &#8220;E.&#8221; T\u01b0\u01a1ng t\u1ef1 nh\u01b0 v\u1eady, nh\u00ecn v\u00e0o c\u00e1c \u00f4 vu\u00f4ng m\u00e0u xanh lam, n\u1ebfu b\u1ea1n b\u1eaft \u0111\u1ea7u v\u1edbi h\u00e0ng &#8220;7&#8221; v\u00e0 chuy\u1ec3n sang c\u1ed9t &#8220;9&#8221;, th\u00ec b\u1ea1n l\u1ea1i \u0111\u1ebfn &#8220;E.&#8221;<\/span><\/p>\n<figure id=\"attachment_16635\" aria-describedby=\"caption-attachment-16635\" style=\"width: 900px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-16635\" src=\"https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-20.png\" alt=\"Bitcoin, BTC, crypto\" width=\"900\" height=\"846\" srcset=\"https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-20.png 683w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-20-300x282.png 300w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-20-150x141.png 150w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-20-450x423.png 450w\" sizes=\"(max-width: 900px) 100vw, 900px\" \/><figcaption id=\"caption-attachment-16635\" class=\"wp-caption-text\">Ngu\u1ed3n: https:\/\/seedxor.com\/files\/worksheet.pdf<\/figcaption><\/figure>\n<p><span style=\"font-weight: 400;\">S\u1eed d\u1ee5ng ph\u01b0\u01a1ng ph\u00e1p n\u00e0y, ch\u00fang ta c\u00f3 th\u1ec3 th\u1ea5y r\u1eb1ng c\u00e1c t\u1eeb \u0111\u1ea7u ti\u00ean trong c\u00e1c c\u1ee5m t\u1eeb h\u1ea1t gi\u1ed1ng k\u1ebft qu\u1ea3 ph\u00e2n t\u00e1ch x\u00e1c \u0111\u1ecbnh c\u1ee7a t\u00f4i l\u00e0 \u201cBRASS\u201d v\u00e0 \u201cLEAR\u201d, t\u01b0\u01a1ng \u0111\u01b0\u01a1ng v\u1edbi \u201c0D9\u201d v\u00e0 \u201c3F6\u201d trong h\u1ec7 l\u1ee5c ph\u00e2n. B\u1eb1ng c\u00e1ch k\u1ebft h\u1ee3p hai gi\u00e1 tr\u1ecb hex n\u00e0y tr\u00ean b\u1ea3ng Seed XOR, ch\u00fang t\u00f4i \u0111\u1ebfn \u201c32F\u201d, t\u01b0\u01a1ng \u0111\u01b0\u01a1ng v\u1edbi \u201cGRASS\u201d, t\u1eeb \u0111\u1ea7u ti\u00ean trong c\u1ee5m t\u1eeb h\u1ea1t gi\u1ed1ng ban \u0111\u1ea7u c\u1ee7a t\u00f4i.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u0110\u00e2y l\u00e0 c\u1ea3 hai c\u1ee5m t\u1eeb h\u1ea1t gi\u1ed1ng x\u00e1c \u0111\u1ecbnh c\u1ee7a t\u00f4i \u0111\u01b0\u1ee3c chuy\u1ec3n \u0111\u1ed5i th\u00e0nh gi\u00e1 tr\u1ecb hex v\u00e0 sau \u0111\u00f3 \u0111\u01b0\u1ee3c k\u1ebft h\u1ee3p.<\/span><\/p>\n<figure id=\"attachment_16636\" aria-describedby=\"caption-attachment-16636\" style=\"width: 900px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-16636\" src=\"https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-21.png\" alt=\"Bitcoin, BTC, crypto\" width=\"900\" height=\"315\" srcset=\"https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-21.png 1053w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-21-300x105.png 300w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-21-1024x358.png 1024w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-21-150x52.png 150w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-21-768x268.png 768w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-21-450x157.png 450w\" sizes=\"(max-width: 900px) 100vw, 900px\" \/><figcaption id=\"caption-attachment-16636\" class=\"wp-caption-text\">C\u1ea3 hai c\u1ee5m t\u1eeb h\u1ea1t gi\u1ed1ng x\u00e1c \u0111\u1ecbnh c\u1ee7a t\u00f4i \u0111\u1ec1u \u0111\u01b0\u1ee3c chuy\u1ec3n \u0111\u1ed5i th\u00e0nh gi\u00e1 tr\u1ecb hex v\u00e0 sau \u0111\u00f3 \u0111\u01b0\u1ee3c k\u1ebft h\u1ee3p.<\/figcaption><\/figure>\n<p><span style=\"font-weight: 400;\">L\u1ea5y c\u00e1c gi\u00e1 tr\u1ecb t\u1eeb h\u00e0ng A\u2295B v\u00e0 s\u1eed d\u1ee5ng b\u1ea3ng chuy\u1ec3n \u0111\u1ed5i seed-word-to-hex, b\u1ea1n c\u00f3 th\u1ec3 th\u1ea5y r\u1eb1ng seed ban \u0111\u1ea7u \u0111\u00e3 \u0111\u01b0\u1ee3c t\u1ea1o l\u1ea1i:<\/span><\/p>\n<figure id=\"attachment_16637\" aria-describedby=\"caption-attachment-16637\" style=\"width: 900px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-16637\" src=\"https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-22.png\" alt=\"Bitcoin, BTC, crypto\" width=\"900\" height=\"331\" srcset=\"https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-22.png 508w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-22-300x110.png 300w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-22-150x55.png 150w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-22-450x166.png 450w\" sizes=\"(max-width: 900px) 100vw, 900px\" \/><figcaption id=\"caption-attachment-16637\" class=\"wp-caption-text\">B\u1ea1n c\u00f3 th\u1ec3 th\u1ea5y r\u1eb1ng h\u1ea1t gi\u1ed1ng ban \u0111\u1ea7u \u0111\u00e3 \u0111\u01b0\u1ee3c t\u00e1i t\u1ea1o.<\/figcaption><\/figure>\n<p><span style=\"font-weight: 400;\">B\u00e2y gi\u1edd, b\u1ea1n c\u00f3 th\u1ec3 nh\u1eadn th\u1ea5y r\u1eb1ng \u0111\u00e2y ch\u1ec9 l\u00e0 23 t\u1eeb, kh\u00f4ng ph\u1ea3i 24.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Trong t\u1ea5t c\u1ea3 c\u00e1c c\u1ee5m t\u1eeb h\u1ea1t gi\u1ed1ng BIP39, t\u1eeb cu\u1ed1i c\u00f9ng \u0111\u00f3ng vai tr\u00f2 l\u00e0 t\u1ed5ng ki\u1ec3m tra v\u00e0 n\u00f3 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c t\u00ednh b\u1eb1ng 23 t\u1eeb \u0111\u1ea7u ti\u00ean. Ph\u00e9p to\u00e1n Seed XOR kh\u00f4ng s\u1eed d\u1ee5ng 8 bit cu\u1ed1i c\u00f9ng n\u00e0y t\u1ea1o n\u00ean t\u1ed5ng ki\u1ec3m tra. \u0110\u00e2y l\u00e0 l\u00fd do t\u1ea1i sao b\u1ea1n n\u00ean l\u01b0u t\u1eeb th\u1ee9 24 kh\u1ecfi c\u1ee5m t\u1eeb h\u1ea1t gi\u1ed1ng ban \u0111\u1ea7u c\u1ee7a b\u1ea1n \u0111\u1ec3 b\u1ea1n c\u00f3 th\u1ec3 \u0111\u1ea3m b\u1ea3o r\u1eb1ng b\u1ea1n \u0111\u00e3 t\u1ea1o l\u1ea1i t\u1eeb ch\u00ednh x\u00e1c khi x\u00e2y d\u1ef1ng l\u1ea1i.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Ngo\u00e0i ra, b\u1ea1n c\u00f3 th\u1ec3 nh\u1eadp 23 t\u1eeb v\u00e0o Coldcard th\u00f4ng qua t\u00f9y ch\u1ecdn nh\u1eadp c\u1ee5m t\u1eeb h\u1ea1t gi\u1ed1ng v\u00e0 Coldcard s\u1ebd t\u1ea1o ra m\u1ed9t danh s\u00e1ch ng\u1eafn g\u1ed3m 24 t\u1eeb c\u00f3 th\u1ec3 c\u00f3. \u0110i\u1ec1u n\u00e0y s\u1ebd thu h\u1eb9p c\u00e1c l\u1ef1a ch\u1ecdn c\u1ee7a b\u1ea1n, nh\u01b0ng n\u1ebfu b\u1ea1n kh\u00f4ng nh\u1edb \u0111\u00f3 l\u00e0 c\u00e1i n\u00e0o th\u00ec c\u00e1ch ti\u1ebfp c\u1eadn n\u00e0y c\u00f3 th\u1ec3 khi\u1ebfn b\u1ea1n m\u1ea5t m\u1ed9t kho\u1ea3ng th\u1eddi gian \u0111\u00e1ng k\u1ec3 \u0111\u1ec3 kh\u00f4i ph\u1ee5c bitcoin v\u00ec b\u1ea1n s\u1ebd ph\u1ea3i th\u1eed m\u1ed9t c\u00e1i, nh\u1eadp v\u00ed \u0111\u00f3, xu\u1ea5t xpub, nh\u1eadp n\u00f3 v\u00e0o m\u1ed9t v\u00ed kh\u00e1c v\u00e0 qu\u00e9t n\u00f3 \u0111\u1ec3 t\u00ecm c\u00e1c giao d\u1ecbch c\u1ee7a b\u1ea1n.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">N\u1ebfu n\u00f3 tr\u1ed1ng, th\u00ec b\u1ea1n s\u1ebd ph\u1ea3i th\u1ef1c hi\u1ec7n l\u1ea1i qu\u00e1 tr\u00ecnh v\u00e0 th\u1eed t\u1eeb ti\u1ebfp theo trong danh s\u00e1ch. Kh\u00f4ng ph\u1ea3i l\u00e0 kh\u00f4ng th\u1ec3, nh\u01b0ng c\u0169ng kh\u00f4ng ph\u1ea3i l\u00e0 l\u00fd t\u01b0\u1edfng. H\u00e3y ghi l\u1ea1i t\u1eeb th\u1ee9 24 c\u1ee7a h\u1ea1t gi\u1ed1ng ban \u0111\u1ea7u c\u1ee7a b\u1ea1n \u0111\u1ec3 tr\u00e1nh bi\u1ec7n ph\u00e1p cu\u1ed1i c\u00f9ng n\u00e0y.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">B\u00e2y gi\u1edd b\u1ea1n \u0111\u00e3 ch\u1eafc ch\u1eafn th\u00f4ng tin sao l\u01b0u c\u1ee7a m\u00ecnh ho\u1ea1t \u0111\u1ed9ng v\u00e0 b\u1ea1n hi\u1ec3u c\u00e1ch th\u1ee9c ho\u1ea1t \u0111\u1ed9ng c\u1ee7a ph\u00e9p to\u00e1n, b\u1ea1n c\u00f3 th\u1ec3 b\u1ea3o m\u1eadt th\u00f4ng tin n\u00e0y tr\u00ean m\u1ed9t ph\u01b0\u01a1ng ti\u1ec7n ch\u1eafc ch\u1eafn nh\u01b0 th\u00e9p kh\u00f4ng g\u1ec9.<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"BUOC_TAM_CAC_MAT_PHUC_HOI_THEP\"><\/span><span style=\"font-weight: 400;\">B\u01af\u1edaC T\u00c1M: C\u00c1C M\u1eb6T PH\u1ee4C H\u1ed2I TH\u00c9P<\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">C\u00e1c t\u1ea5m th\u00e9p cung c\u1ea5p m\u1ed9t gi\u1ea3i ph\u00e1p \u0111\u01a1n gi\u1ea3n \u0111\u1ec3 b\u1ea3o m\u1eadt th\u00f4ng tin kh\u00f4i ph\u1ee5c c\u1ee7a b\u1ea1n trong m\u1ed9t ph\u01b0\u01a1ng ti\u1ec7n c\u00f3 th\u1ec3 ch\u1ed1ng l\u1ea1i c\u00e1c m\u1ed1i nguy hi\u1ec3m t\u1eeb m\u00f4i tr\u01b0\u1eddng nh\u01b0 h\u1ecfa ho\u1ea1n v\u00e0 l\u0169 l\u1ee5t. \u00dd t\u01b0\u1edfng c\u01a1 b\u1ea3n \u1edf \u0111\u00e2y l\u00e0 ch\u00fang t\u00f4i s\u1ebd l\u1ea5y hai c\u1ee5m t\u1eeb h\u1ea1t gi\u1ed1ng BIP39 \u0111\u01b0\u1ee3c t\u00e1ch ra t\u1eeb c\u1ee5m t\u1eeb h\u1ea1t gi\u1ed1ng ban \u0111\u1ea7u v\u00e0 in ch\u00fang tr\u00ean c\u00e1c t\u1ea5m th\u00e9p c\u1ee7a ri\u00eang ch\u00fang. Sau \u0111\u00f3, hai t\u1ea5m th\u00e9p n\u00e0y s\u1ebd c\u1ea7n thi\u1ebft \u0111\u1ec3 t\u00e1i t\u1ea1o l\u1ea1i c\u1ee5m t\u1eeb h\u1ea1t gi\u1ed1ng ban \u0111\u1ea7u.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">M\u1ed9t l\u1ee3i \u00edch kh\u00e1c l\u00e0 c\u1ea3 hai t\u1ea5m th\u00e9p c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c t\u00e0i tr\u1ee3 b\u1eb1ng m\u1ed9t l\u01b0\u1ee3ng bitcoin h\u1ea5p d\u1eabn v\u00e0 \u0111i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong m\u1ed9t k\u1ebf ho\u1ea1ch c\u00f3 th\u1ec3 ch\u1ed1i c\u00e3i \u0111\u01b0\u1ee3c, mi\u1ec5n l\u00e0 k\u1ebb t\u1ea5n c\u00f4ng c\u1ee7a b\u1ea1n kh\u00f4ng bi\u1ebft Seed XOR ho\u1ea1t \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o v\u00e0 kh\u00f4ng bi\u1ebft r\u1eb1ng nhi\u1ec1u C\u00e1c c\u1ee5m t\u1eeb h\u1ea1t gi\u1ed1ng BIP39 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c k\u1ebft h\u1ee3p v\u00e0 ch\u00fang s\u1ebd th\u00fac \u0111\u1ea9y b\u1ea1n cung c\u1ea5p th\u00eam th\u00f4ng tin ho\u1eb7c c\u00e1c c\u1ee5m t\u1eeb h\u1ea1t gi\u1ed1ng d\u1ef1 ph\u00f2ng kh\u00e1c.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">C\u00e1c t\u1ea5m th\u00e9p c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c l\u01b0u gi\u1eef nh\u01b0 m\u1ed9t b\u00ed m\u1eadt trong m\u1edf v\u00ec m\u1ed9t m\u00ecnh, kh\u00f4ng c\u00f3 m\u1ea3nh n\u00e0o trong s\u1ed1 c\u00e1c m\u1ea3nh \u0111\u01b0\u1ee3c chia c\u00f3 th\u1ec3 truy c\u1eadp v\u00e0o qu\u1ef9 ban \u0111\u1ea7u c\u1ee7a b\u1ea1n. V\u1eabn c\u00f3 l\u1ee3i trong vi\u1ec7c l\u01b0u tr\u1eef c\u00e1c t\u1ea5m \u1edf c\u00e1c v\u1ecb tr\u00ed \u0111\u1ecba l\u00fd ri\u00eang bi\u1ec7t v\u00e0 c\u0169ng c\u00f3 th\u1ec3 che gi\u1ea5u ch\u00fang m\u1ed9t c\u00e1ch an to\u00e0n.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">B\u1ea1n s\u1ebd nh\u1eadn th\u1ea5y r\u1eb1ng c\u00e1c t\u1ea5m c\u00f3 b\u1ea3ng ch\u1eef c\u00e1i ch\u1ea1y d\u1ecdc tr\u00ean c\u1ed9t \u0111\u1ea7u ti\u00ean v\u00e0 c\u00f3 m\u01b0\u1eddi hai ph\u1ea7n \u0111\u01b0\u1ee3c \u0111\u00e1nh s\u1ed1, t\u1eeb m\u1ed9t \u0111\u1ebfn 12, m\u1ed7i ph\u1ea7n ch\u1ee9a b\u1ed1n c\u1ed9t. N\u1ebfu b\u1ea1n l\u1eadt \u0111\u0129a l\u00ean, c\u00e1c ph\u1ea7n \u0111\u01b0\u1ee3c \u0111\u00e1nh s\u1ed1 t\u1eeb 13 \u0111\u1ebfn 24. M\u1ed7i ph\u1ea7n s\u1ebd \u0111\u01b0\u1ee3c \u0111\u00f3ng d\u1ea5u b\u1eb1ng b\u1ed1n ch\u1eef c\u00e1i \u0111\u1ea7u ti\u00ean c\u1ee7a m\u1ed7i t\u1eeb h\u1ea1t gi\u1ed1ng. Ch\u1ec9 b\u1ed1n ch\u1eef c\u00e1i \u0111\u1ea7u ti\u00ean l\u00e0 c\u1ea7n thi\u1ebft \u0111\u1ec3 kh\u00f4i ph\u1ee5c t\u1eeb v\u00ec kh\u00f4ng c\u00f3 hai t\u1eeb n\u00e0o trong danh s\u00e1ch t\u1eeb BIP39 c\u00f3 c\u00f9ng chu\u1ed7i b\u1ed1n ch\u1eef c\u00e1i \u0111\u1ea7u ti\u00ean.<\/span><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-16638\" src=\"https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-47.jpg\" alt=\"Bitcoin, crypto, BTC\" width=\"900\" height=\"501\" srcset=\"https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-47.jpg 2000w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-47-300x167.jpg 300w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-47-1024x570.jpg 1024w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-47-150x84.jpg 150w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-47-768x428.jpg 768w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-47-1536x856.jpg 1536w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-47-450x251.jpg 450w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-47-1200x668.jpg 1200w\" sizes=\"(max-width: 900px) 100vw, 900px\" \/> <img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-16639\" src=\"https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a2-18.jpg\" alt=\"\" width=\"900\" height=\"675\" srcset=\"https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a2-18.jpg 2000w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a2-18-300x225.jpg 300w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a2-18-1024x768.jpg 1024w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a2-18-150x113.jpg 150w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a2-18-768x576.jpg 768w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a2-18-1536x1152.jpg 1536w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a2-18-450x338.jpg 450w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a2-18-1200x900.jpg 1200w\" sizes=\"(max-width: 900px) 100vw, 900px\" \/><\/p>\n<p><span style=\"font-weight: 400;\">B\u1eaft \u0111\u1ea7u b\u1eb1ng b\u00fat \u0111\u00e1nh d\u1ea5u c\u1ed1 \u0111\u1ecbnh \u0111\u1ec3 b\u1ea1n c\u00f3 th\u1ec3 ki\u1ec3m tra k\u1ef9 c\u00f4ng vi\u1ec7c c\u1ee7a m\u00ecnh tr\u01b0\u1edbc khi \u0111\u00e1nh d\u1ea5u b\u1eb1ng m\u00e1y \u0111\u1ed9t c\u00f3 l\u00f2 xo. N\u1ebfu b\u1ea1n m\u1eafc l\u1ed7i v\u1edbi \u0111i\u1ec3m \u0111\u00e1nh d\u1ea5u, b\u1ea1n c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng axeton \u0111\u1ec3 l\u00e0m s\u1ea1ch n\u00f3.<\/span><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-16640\" src=\"https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-48.jpg\" alt=\"Bitcoin, BTC, crypto\" width=\"900\" height=\"675\" srcset=\"https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-48.jpg 2000w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-48-300x225.jpg 300w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-48-1024x768.jpg 1024w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-48-150x113.jpg 150w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-48-768x576.jpg 768w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-48-1536x1152.jpg 1536w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-48-450x338.jpg 450w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a1-48-1200x900.jpg 1200w\" sizes=\"(max-width: 900px) 100vw, 900px\" \/> <img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-16641\" src=\"https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a2-19.jpg\" alt=\"\" width=\"900\" height=\"513\" srcset=\"https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a2-19.jpg 2000w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a2-19-300x171.jpg 300w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a2-19-1024x584.jpg 1024w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a2-19-150x86.jpg 150w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a2-19-768x438.jpg 768w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a2-19-1536x876.jpg 1536w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a2-19-450x257.jpg 450w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a2-19-1200x684.jpg 1200w\" sizes=\"(max-width: 900px) 100vw, 900px\" \/> <img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-16642\" src=\"https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a3-10.jpg\" alt=\"\" width=\"900\" height=\"496\" srcset=\"https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a3-10.jpg 2000w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a3-10-300x165.jpg 300w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a3-10-1024x565.jpg 1024w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a3-10-150x83.jpg 150w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a3-10-768x424.jpg 768w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a3-10-1536x847.jpg 1536w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a3-10-450x248.jpg 450w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a3-10-1200x662.jpg 1200w\" sizes=\"(max-width: 900px) 100vw, 900px\" \/> <img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-16643\" src=\"https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a4-5.jpg\" alt=\"\" width=\"900\" height=\"675\" srcset=\"https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a4-5.jpg 2000w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a4-5-300x225.jpg 300w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a4-5-1024x768.jpg 1024w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a4-5-150x113.jpg 150w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a4-5-768x576.jpg 768w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a4-5-1536x1152.jpg 1536w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a4-5-450x338.jpg 450w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a4-5-1200x900.jpg 1200w\" sizes=\"(max-width: 900px) 100vw, 900px\" \/> <img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-16644\" src=\"https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a5-1.jpg\" alt=\"\" width=\"900\" height=\"517\" srcset=\"https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a5-1.jpg 2000w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a5-1-300x172.jpg 300w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a5-1-1024x588.jpg 1024w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a5-1-150x86.jpg 150w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a5-1-768x441.jpg 768w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a5-1-1536x882.jpg 1536w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a5-1-450x258.jpg 450w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a5-1-1200x689.jpg 1200w\" sizes=\"(max-width: 900px) 100vw, 900px\" \/> <img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-16645\" src=\"https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a6.jpg\" alt=\"\" width=\"900\" height=\"513\" srcset=\"https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a6.jpg 2000w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a6-300x171.jpg 300w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a6-1024x584.jpg 1024w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a6-150x86.jpg 150w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a6-768x438.jpg 768w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a6-1536x876.jpg 1536w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a6-450x257.jpg 450w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/05\/a6-1200x685.jpg 1200w\" sizes=\"(max-width: 900px) 100vw, 900px\" \/><\/p>\n<p><span style=\"font-weight: 400;\">Sau khi b\u1ea1n \u0111\u00e3 \u0111\u00f3ng d\u1ea5u c\u00e1c c\u1ee5m t\u1eeb h\u1ea1t gi\u1ed1ng c\u1ee7a m\u00ecnh tr\u00ean c\u00e1c t\u1ea5m th\u00e9p v\u00e0 b\u1ea1n bi\u1ebft r\u1eb1ng c\u00e1c b\u1ea3n sao l\u01b0u c\u1ee7a b\u1ea1n c\u00f3 th\u1ec3 t\u00e1i t\u1ea1o l\u1ea1i h\u1ea1t gi\u1ed1ng ban \u0111\u1ea7u c\u1ee7a b\u1ea1n, th\u00ec b\u1ea1n c\u00f3 th\u1ec3 h\u1ee7y c\u00e1c c\u1ee5m t\u1eeb h\u1ea1t gi\u1ed1ng vi\u1ebft tay m\u00e0 b\u1ea1n \u0111\u00e3 t\u1ea1o trong khi thi\u1ebft l\u1eadp v\u00ed c\u1ee7a m\u00ecnh b\u1eb1ng c\u00e1ch \u0111\u1ed1t ch\u00fang m\u1ed9t c\u00e1ch an to\u00e0n.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">C\u1ea3m \u01a1n v\u00ec \u0111\u00e3 \u0111\u1ecdc! T\u00f4i hy v\u1ecdng h\u01b0\u1edbng d\u1eabn n\u00e0y \u0111\u00e3 gi\u00fap b\u1ea1n thi\u1ebft l\u1eadp Coldcard v\u00e0 cung c\u1ea5p cho b\u1ea1n m\u1ed9t s\u1ed1 th\u1ef1c ph\u1ea9m \u0111\u1ec3 suy ngh\u0129 v\u1ec1 c\u00e1ch b\u1ea1n c\u00f3 th\u1ec3 b\u1ea3o m\u1eadt th\u00f4ng tin sao l\u01b0u c\u1ee7a m\u00ecnh, cung c\u1ea5p cho b\u1ea1n kh\u1ea3 n\u0103ng t\u1eeb ch\u1ed1i h\u1ee3p l\u00fd v\u00e0 ph\u01b0\u01a1ng ti\u1ec7n l\u01b0u tr\u1eef b\u1eb1ng th\u00e9p kh\u00f4ng g\u1ec9, m\u1ea1nh m\u1ebd.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">B\u00e0i vi\u1ebft g\u1ed1c: <\/span><a href=\"https:\/\/bitcoinmagazine.com\/guides\/how-to-use-coldcard-and-seed-xor?fbclid=IwAR0fuMvCV_AucOMQ8VI4uuLXeoMRu5TTEpcAFQqHF2TbxucXqOAj7Y64BRc\" target=\"_blank\" rel=\"nofollow\"><span style=\"font-weight: 400;\">https:\/\/bitcoinmagazine.com\/guides\/how-to-use-coldcard-and-seed-xor?fbclid=IwAR0fuMvCV_AucOMQ8VI4uuLXeoMRu5TTEpcAFQqHF2TbxucXqOAj7Y64BRc<\/span><\/a><\/p>\n<p><span style=\"font-weight: 400;\">L\u01b0u \u00fd: B\u00e0i vi\u1ebft mang t\u00ednh k\u1ef9 thu\u1eadt cao, vui l\u00f2ng \u0111\u1ecdc k\u1ef9 nhi\u1ec1u l\u1eabn.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\"><a href=\"https:\/\/www.fiahub.com\">Fiahub<\/a> c\u1ea3m \u01a1n s\u1ef1 theo d\u00f5i v\u00e0 \u0111\u00f3n \u0111\u1ecdc c\u1ee7a c\u00e1c b\u1ea1n. M\u1ecdi th\u1eafc m\u1eafc vui l\u00f2ng li\u00ean h\u1ec7 \u0111\u1ed9i ng\u0169 Support c\u1ee7a ch\u00fang t\u00f4i 24\/7.\u00a0<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>H\u01b0\u1edbng d\u1eabn n\u00e0y tr\u00ecnh b\u00e0y m\u1ecdi th\u1ee9 b\u1ea1n c\u1ea7n bi\u1ebft \u0111\u1ec3 b\u1ea3o m\u1eadt kh\u00f3a c\u00e1 nh\u00e2n Bitcoin c\u1ee7a m\u00ecnh b\u1eb1ng v\u00ed ph\u1ea7n c\u1ee9ng Coldcard v\u00e0 ph\u01b0\u01a1ng ph\u00e1p Seed XOR t\u00edch h\u1ee3p c\u1ee7a n\u00f3. V\u1edbi ph\u01b0\u01a1ng ph\u00e1p n\u00e0y, b\u1ea1n c\u00f3 th\u1ec3 chia c\u1ee5m t\u1eeb h\u1ea1t gi\u1ed1ng d\u1ef1 ph\u00f2ng c\u1ee7a m\u00ecnh th\u00e0nh nhi\u1ec1u ph\u1ea7n ho\u1ea1t \u0111\u1ed9ng gi\u1ed1ng<\/p>\n","protected":false},"author":24,"featured_media":16646,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[21849],"tags":[221,3102,3150,22008,153],"class_list":{"0":"post-16566","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-phan-tich-nhan-dinh","8":"tag-bitcoin","9":"tag-btc","10":"tag-crypto","11":"tag-crypto-wallet","12":"tag-mua-bitcoin"},"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v25.0 (Yoast SEO v27.6) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>B\u1ea3o v\u1ec7 Bitcoin c\u1ee7a b\u1ea1n b\u1eb1ng Coldcard v\u00e0 h\u1ea1t gi\u1ed1ng t\u00edch h\u1ee3p XOR - 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