{"id":20555,"date":"2023-02-06T09:39:23","date_gmt":"2023-02-06T02:39:23","guid":{"rendered":"https:\/\/www.fiahub.com\/blog\/?p=20555"},"modified":"2023-02-06T10:03:35","modified_gmt":"2023-02-06T03:03:35","slug":"vi-phan-cap-xac-dinh-hd-hierarchical-deterministic-la-gi","status":"publish","type":"post","link":"https:\/\/www.fiahub.com\/blog\/vi-phan-cap-xac-dinh-hd-hierarchical-deterministic-la-gi\/","title":{"rendered":"V\u00ed ph\u00e2n c\u1ea5p x\u00e1c \u0111\u1ecbnh HD (Hierarchical Deterministic) l\u00e0 g\u00ec?"},"content":{"rendered":"<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\/vi-phan-cap-xac-dinh-hd-hierarchical-deterministic-la-gi\/#1_Vi_phan_cap_xac_dinh_va_khong_xac_dinh_la_gi\" >1. V\u00ed ph\u00e2n c\u1ea5p x\u00e1c \u0111\u1ecbnh v\u00e0 kh\u00f4ng x\u00e1c \u0111\u1ecbnh l\u00e0 g\u00ec?<\/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\/vi-phan-cap-xac-dinh-hd-hierarchical-deterministic-la-gi\/#2_Vi_phan_cap_xac_dinh_hoat_dong_nhu_the_nao\" >2. V\u00ed ph\u00e2n c\u1ea5p x\u00e1c \u0111\u1ecbnh ho\u1ea1t \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o?<\/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\/vi-phan-cap-xac-dinh-hd-hierarchical-deterministic-la-gi\/#3_Nhung_loi_ich_va_han_che_cua_viec_su_dung_vi_phan_cap_xac_dinh_la_gi\" >3. Nh\u1eefng l\u1ee3i \u00edch v\u00e0 h\u1ea1n ch\u1ebf c\u1ee7a vi\u1ec7c s\u1eed d\u1ee5ng v\u00ed ph\u00e2n c\u1ea5p x\u00e1c \u0111\u1ecbnh l\u00e0 g\u00ec?<\/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\/vi-phan-cap-xac-dinh-hd-hierarchical-deterministic-la-gi\/#4_Vi_HD_co_an_toan_khong\" >4. V\u00ed HD c\u00f3 an to\u00e0n kh\u00f4ng?<\/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\/vi-phan-cap-xac-dinh-hd-hierarchical-deterministic-la-gi\/#5_Tong_ket\" >5. T\u1ed5ng k\u1ebft<\/a><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"1_Vi_phan_cap_xac_dinh_va_khong_xac_dinh_la_gi\"><\/span><span style=\"font-weight: 400;\">1. V\u00ed ph\u00e2n c\u1ea5p x\u00e1c \u0111\u1ecbnh v\u00e0 kh\u00f4ng x\u00e1c \u0111\u1ecbnh l\u00e0 g\u00ec?<\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">V\u00ed x\u00e1c \u0111\u1ecbnh ph\u00e2n c\u1ea5p t\u1ea1o kh\u00f3a c\u00f4ng khai v\u00e0 kh\u00f3a ri\u00eang t\u1eeb kh\u00f3a ch\u00ednh, cho ph\u00e9p ng\u01b0\u1eddi d\u00f9ng t\u1ea1o v\u00ed m\u1edbi v\u00e0 truy xu\u1ea5t t\u1ea5t c\u1ea3 \u0111\u1ecba ch\u1ec9 v\u00e0 kh\u00f3a, mi\u1ec5n l\u00e0 h\u1ecd c\u00f3 quy\u1ec1n truy c\u1eadp v\u00e0o ngu\u1ed3n g\u1ed1c. Ng\u01b0\u1ee3c l\u1ea1i, v\u00ed kh\u00f4ng x\u00e1c \u0111\u1ecbnh t\u1ea1o ng\u1eabu nhi\u00ean \u0111\u1ecba ch\u1ec9 v\u00ed v\u00e0 kh\u00f3a c\u00e1 nh\u00e2n, h\u1ea1n ch\u1ebf kh\u1ea3 n\u0103ng kh\u00f4i ph\u1ee5c \u0111\u1ecba ch\u1ec9 v\u00e0 kh\u00f3a c\u1ee7a ng\u01b0\u1eddi d\u00f9ng n\u1ebfu th\u00f4ng tin chi ti\u1ebft c\u1ee7a v\u00ed b\u1ecb m\u1ea5t.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Th\u00f4ng th\u01b0\u1eddng, ch\u1eef k\u00fd s\u1ed1 v\u00e0 c\u00e1c c\u1eb7p kh\u00f3a k\u00fd c\u00f4ng khai v\u00e0 ri\u00eang t\u01b0 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong ti\u1ec1n \u0111i\u1ec7n t\u1eed d\u1ef1a tr\u00ean chu\u1ed7i kh\u1ed1i. \u0110i\u1ec1u \u0111\u00f3 n\u00f3i r\u1eb1ng, ng\u01b0\u1eddi d\u00f9ng ti\u00eau ti\u1ec1n c\u1ee7a h\u1ecd b\u1eb1ng c\u00e1ch k\u00fd m\u1ed9t giao d\u1ecbch b\u1eb1ng kh\u00f3a ri\u00eang v\u00e0 nh\u1eefng ng\u01b0\u1eddi d\u00f9ng kh\u00e1c (ng\u01b0\u1eddi nh\u1eadn) c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng kh\u00f3a chung \u0111\u1ec3 x\u00e1c nh\u1eadn t\u00ednh h\u1ee3p l\u1ec7 c\u1ee7a ch\u1eef k\u00fd. Kh\u00f3a ri\u00eang c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 t\u1ea1o kh\u00f3a chung, nh\u01b0ng kh\u00f4ng ph\u1ea3i l\u00e0 c\u00e1ch kh\u00e1c.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Ch\u1eb3ng h\u1ea1n, v\u00ed <a href=\"https:\/\/www.fiahub.com\">Bitcoin<\/a> c\u1ee7a ng\u01b0\u1eddi d\u00f9ng bao g\u1ed3m m\u1ed9t b\u1ed9 kh\u00f3a ri\u00eang cho ph\u00e9p ch\u1ee7 s\u1edf h\u1eefu chi ti\u00eau b\u1ea5t k\u1ef3 Bitcoin (BTC) n\u00e0o \u0111\u01b0\u1ee3c li\u00ean k\u1ebft v\u1edbi c\u00e1c kh\u00f3a \u0111\u00f3. Khi ng\u01b0\u1eddi d\u00f9ng c\u1ea7n ch\u00fang, v\u00ed Bitcoin s\u1ebd t\u1ea1o ng\u1eabu nhi\u00ean \u0111\u1ecba ch\u1ec9 BTC v\u00e0 kh\u00f3a ri\u00eang. C\u00e1c lo\u1ea1i v\u00ed k\u1ef9 thu\u1eadt s\u1ed1 nh\u01b0 v\u1eady \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 v\u00ed kh\u00f4ng x\u00e1c \u0111\u1ecbnh (ND).<\/span><\/p>\n<figure id=\"attachment_20556\" aria-describedby=\"caption-attachment-20556\" style=\"width: 900px\" class=\"wp-caption aligncenter\"><img fetchpriority=\"high\" decoding=\"async\" class=\"wp-image-20556\" src=\"https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2023\/02\/a1-2.jpg\" alt=\"BTC, v\u00ed crypto, v\u00ed Bitcoin\" width=\"900\" height=\"675\" srcset=\"https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2023\/02\/a1-2.jpg 696w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2023\/02\/a1-2-300x225.jpg 300w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2023\/02\/a1-2-150x113.jpg 150w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2023\/02\/a1-2-450x338.jpg 450w\" sizes=\"(max-width: 900px) 100vw, 900px\" \/><figcaption id=\"caption-attachment-20556\" class=\"wp-caption-text\">V\u00ed x\u00e1c \u0111\u1ecbnh ph\u00e2n c\u1ea5p t\u1ea1o kh\u00f3a c\u00f4ng khai v\u00e0 kh\u00f3a ri\u00eang t\u1eeb kh\u00f3a ch\u00ednh, cho ph\u00e9p ng\u01b0\u1eddi d\u00f9ng t\u1ea1o v\u00ed m\u1edbi v\u00e0 truy xu\u1ea5t t\u1ea5t c\u1ea3 \u0111\u1ecba ch\u1ec9 v\u00e0 kh\u00f3a, mi\u1ec5n l\u00e0 h\u1ecd c\u00f3 quy\u1ec1n truy c\u1eadp v\u00e0o ngu\u1ed3n g\u1ed1c.<\/figcaption><\/figure>\n<p><span style=\"font-weight: 400;\">Tuy nhi\u00ean, do c\u00e1c kh\u00f3a kh\u00f4ng \u0111\u01b0\u1ee3c t\u1ea1o theo b\u1ea5t k\u1ef3 m\u1eabu n\u00e0o n\u00ean ng\u01b0\u1eddi d\u00f9ng ph\u1ea3i t\u1ea1o b\u1ea3n sao l\u01b0u c\u1ee7a t\u1eebng kh\u00f3a b\u1ea5t c\u1ee9 khi n\u00e0o m\u1ed9t kh\u00f3a m\u1edbi \u0111\u01b0\u1ee3c t\u1ea1o. \u0110i\u1ec1u \u0111\u00f3 n\u00f3i r\u1eb1ng, n\u1ebfu th\u00f4ng tin chi ti\u1ebft c\u1ee7a v\u00ed b\u1ecb m\u1ea5t, t\u1ea5t c\u1ea3 \u0111\u1ecba ch\u1ec9 v\u00e0 kh\u00f3a c\u0169ng s\u1ebd b\u1ecb m\u1ea5t.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Lo\u1ea1i v\u00ed <a href=\"https:\/\/www.fiahub.com\">Bitcoin<\/a> n\u00e0y c\u00f2n \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 v\u00ed<strong> \u201cjust-a-bunch-of-keys\u201d (JBOK)<\/strong>, v\u00ec n\u00f3 t\u1ea1o ra c\u00e1c kh\u00f3a kh\u00f4ng li\u00ean quan v\u00e0 y\u00eau c\u1ea7u ng\u01b0\u1eddi d\u00f9ng theo d\u00f5i c\u00e1c giao d\u1ecbch c\u1ee7a h\u1ecd m\u1ed7i khi h\u1ecd mua v\u00e0 b\u00e1n ti\u1ec1n \u0111i\u1ec7n t\u1eed. V\u00ec v\u1eady, v\u00ed x\u00e1c \u0111\u1ecbnh ph\u00e2n c\u1ea5p (HD) l\u00e0 g\u00ec?<\/span><\/p>\n<p><span style=\"font-weight: 400;\">V\u00ed x\u00e1c \u0111\u1ecbnh ph\u00e2n c\u1ea5p \u0111\u00e3 thay th\u1ebf v\u00ed JBOK v\u00ec ng\u01b0\u1eddi d\u00f9ng c\u00f3 th\u1ec3 sao l\u01b0u v\u00ed HD b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng m\u1ed9t h\u1ea1t gi\u1ed1ng duy nh\u1ea5t v\u00e0 \u0111\u01b0\u1ee3c h\u01b0\u1edfng l\u1ee3i r\u1ea5t nhi\u1ec1u t\u1eeb c\u00e1c kh\u00f3a m\u1edf r\u1ed9ng. Do \u0111\u00f3, m\u1ed9t v\u00ed t\u1ea1o kh\u00f3a c\u00f4ng khai v\u00e0 kh\u00f3a ri\u00eang t\u1eeb m\u1ed9t h\u1ea1t gi\u1ed1ng \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 v\u00ed x\u00e1c \u0111\u1ecbnh ph\u00e2n c\u1ea5p.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Nh\u1eefng chi\u1ebfc v\u00ed n\u00e0y c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho nhi\u1ec1u m\u1ee5c \u0111\u00edch h\u1ea5p d\u1eabn, ch\u1eb3ng h\u1ea1n nh\u01b0 ki\u1ec3m to\u00e1n kh\u00f4ng \u0111\u00e1ng tin c\u1eady, mua s\u1eafm tr\u1ef1c tuy\u1ebfn v\u00e0 ph\u00e2n ph\u1ed1i t\u00e0i tr\u1ee3 c\u1ee7a b\u1ed9 ph\u1eadn b\u1edfi th\u1ee7 qu\u1ef9. Ch\u1eb3ng h\u1ea1n, m\u1ed9t c\u00e1 nh\u00e2n c\u00f3 th\u1ec3 ti\u1ebft l\u1ed9 kh\u00f3a c\u00f4ng khai ch\u00ednh c\u1ee7a h\u1ecd cho ki\u1ec3m to\u00e1n vi\u00ean b\u00ean ngo\u00e0i, nh\u1eefng ng\u01b0\u1eddi sau \u0111\u00f3 c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng kh\u00f3a \u0111\u00f3 \u0111\u1ec3 xem m\u1ecdi giao d\u1ecbch trong t\u01b0\u01a1ng lai \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n b\u1eb1ng BTC. Trong tr\u01b0\u1eddng h\u1ee3p n\u00e0y, ti\u1ec1n c\u1ee7a ng\u01b0\u1eddi d\u00f9ng \u0111\u01b0\u1ee3c b\u1ea3o m\u1eadt v\u00ec c\u00e1c kh\u00f3a ri\u00eang \u0111\u01b0\u1ee3c li\u00ean k\u1ebft v\u1edbi c\u00e1c kho\u1ea3n ti\u1ec1n \u0111\u00f3 kh\u00f4ng bao gi\u1edd b\u1ecb ti\u1ebft l\u1ed9.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">T\u00f3m t\u1eaft v\u1ec1 s\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa v\u00ed HD v\u00e0 v\u00ed kh\u00f4ng ph\u1ea3i HD \u0111\u01b0\u1ee3c li\u1ec7t k\u00ea trong b\u1ea3ng b\u00ean d\u01b0\u1edbi:<\/span><\/p>\n<table>\n<tbody>\n<tr>\n<td><\/td>\n<td><b>V\u00ed x\u00e1c \u0111\u1ecbnh ph\u00e2n c\u1ea5p<\/b><\/td>\n<td><b>V\u00ed kh\u00f4ng x\u00e1c \u0111\u1ecbnh<\/b><\/td>\n<\/tr>\n<tr>\n<td><b>T\u1ea1o kho\u00e1<\/b><\/td>\n<td><span style=\"font-weight: 400;\">t\u1eeb m\u1ed9t c\u1ee5m t\u1eeb kh\u00f4i ph\u1ee5c \u2013 Seed Phrase<\/span><\/td>\n<td><span style=\"font-weight: 400;\">m\u1ed9t c\u00e1ch ng\u1eabu nhi\u00ean<\/span><\/td>\n<\/tr>\n<tr>\n<td><b>Y\u00eau c\u1ea7u sao l\u01b0u<\/b><\/td>\n<td><span style=\"font-weight: 400;\">ch\u1ec9 Seed Phrase ho\u1eb7c kh\u00f3a chuy\u00ean s\u00e2u<\/span><\/td>\n<td><span style=\"font-weight: 400;\">m\u1ed7i kh\u00f3a b\u1ea5t k\u00ec \u0111\u01b0\u1ee3c t\u1ea1o m\u1edbi<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2><span class=\"ez-toc-section\" id=\"2_Vi_phan_cap_xac_dinh_hoat_dong_nhu_the_nao\"><\/span><span style=\"font-weight: 400;\">2. V\u00ed ph\u00e2n c\u1ea5p x\u00e1c \u0111\u1ecbnh ho\u1ea1t \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o?<\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">\u0110\u1ec3 t\u0103ng t\u00ednh b\u1ea3o m\u1eadt v\u00e0 quy\u1ec1n ri\u00eang t\u01b0, v\u00ed HD s\u1ebd t\u1ea1o m\u1ed9t c\u1eb7p kh\u00f3a m\u1edbi t\u1eeb c\u1eb7p kh\u00f3a ch\u00ednh (bao g\u1ed3m kh\u00f3a ri\u00eang m\u1edf r\u1ed9ng v\u00e0 kh\u00f3a chung m\u1edf r\u1ed9ng) cho m\u1ed7i giao d\u1ecbch ti\u1ec1n \u0111i\u1ec7n t\u1eed.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">V\u1edbi BIP-32, v\u00ed HD tr\u1edf th\u00e0nh ti\u00eau chu\u1ea9n th\u1ef1c t\u1ebf cho Bitcoin. BIP-32 l\u00e0 \u0110\u1ec1 xu\u1ea5t c\u1ea3i ti\u1ebfn Bitcoin (BIP) \u0111\u00e3 gi\u1edbi thi\u1ec7u s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a c\u1ea5u tr\u00fac v\u00ed gi\u1ed1ng nh\u01b0 m\u1ed9t c\u00e2y ph\u00e2n c\u1ea5p.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Trong v\u00ed HD nh\u01b0 MetaMask, m\u1ed9t kh\u00f3a ch\u00ednh duy nh\u1ea5t \u0111\u01b0\u1ee3c l\u1ea5y t\u1eeb h\u1ea1t gi\u1ed1ng v\u00ed, sau \u0111\u00f3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 t\u1ea1o kh\u00f3a con, m\u1ed7i kh\u00f3a c\u00f3 kh\u1ea3 n\u0103ng t\u1ea1o kh\u00f3a con c\u1ee7a ch\u00ednh n\u00f3. Seed, th\u01b0\u1eddng \u0111\u01b0\u1ee3c bi\u1ec3u di\u1ec5n d\u01b0\u1edbi d\u1ea1ng c\u1ee5m t\u1eeb d\u1ec5 nh\u1edb, l\u00e0 m\u1ed9t ph\u1ea7n th\u00f4ng tin c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 t\u1ea1o c\u1ea3 kh\u00f3a c\u00f4ng khai v\u00e0 kh\u00f3a ri\u00eang c\u1ee7a v\u00ed.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">C\u1eb7p kh\u00f3a ch\u00ednh bao g\u1ed3m kh\u00f3a ri\u00eang m\u1edf r\u1ed9ng (XPRIV) v\u00e0 kh\u00f3a chung m\u1edf r\u1ed9ng (XPUB) th\u01b0\u1eddng c\u00f3 trong v\u00ed HD d\u00e0nh cho Bitcoin. Ngo\u00e0i ra, m\u1ed9t kh\u00f3a ri\u00eang con \u0111\u01b0\u1ee3c t\u1ea1o gi\u1ea3 ng\u1eabu nhi\u00ean t\u1eeb m\u1ed9t kh\u00f3a ri\u00eang ch\u00ednh v\u00e0 c\u00e1c kh\u00f3a chung con ph\u00f9 h\u1ee3p c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c t\u1ea1o b\u1edfi b\u1ea5t k\u1ef3 ai bi\u1ebft kh\u00f3a chung ch\u00ednh.<\/span><\/p>\n<figure id=\"attachment_20557\" aria-describedby=\"caption-attachment-20557\" style=\"width: 900px\" class=\"wp-caption aligncenter\"><img decoding=\"async\" class=\"wp-image-20557\" src=\"https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2023\/02\/a2.jpg\" alt=\"v\u00ed crypto, v\u00ed BTC\" width=\"900\" height=\"506\" srcset=\"https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2023\/02\/a2.jpg 800w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2023\/02\/a2-300x169.jpg 300w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2023\/02\/a2-150x84.jpg 150w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2023\/02\/a2-768x432.jpg 768w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2023\/02\/a2-450x253.jpg 450w\" sizes=\"(max-width: 900px) 100vw, 900px\" \/><figcaption id=\"caption-attachment-20557\" class=\"wp-caption-text\">\u0110\u1ec3 t\u0103ng t\u00ednh b\u1ea3o m\u1eadt v\u00e0 quy\u1ec1n ri\u00eang t\u01b0, v\u00ed HD s\u1ebd t\u1ea1o m\u1ed9t c\u1eb7p kh\u00f3a m\u1edbi t\u1eeb c\u1eb7p kh\u00f3a ch\u00ednh (bao g\u1ed3m kh\u00f3a ri\u00eang m\u1edf r\u1ed9ng v\u00e0 kh\u00f3a chung m\u1edf r\u1ed9ng) cho m\u1ed7i giao d\u1ecbch ti\u1ec1n \u0111i\u1ec7n t\u1eed.<\/figcaption><\/figure>\n<p><span style=\"font-weight: 400;\">XPRIV t\u1ea1o ra t\u1ea5t c\u1ea3 c\u00e1c kh\u00f3a c\u00e1 nh\u00e2n con v\u00e0 XPUB c\u00f3 th\u1ec3 hi\u1ec3n th\u1ecb s\u1ed1 d\u01b0 c\u1ee7a t\u1ea5t c\u1ea3 c\u00e1c kh\u00f3a c\u00f4ng khai con trong v\u00ed. Ngo\u00e0i ra, nhu c\u1ea7u l\u01b0u tr\u1eef nhi\u1ec1u c\u1eb7p kh\u00f3a \u0111\u01b0\u1ee3c lo\u1ea1i b\u1ecf v\u00ec \u0111\u1ecba ch\u1ec9 v\u00ed HD c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c t\u1ea1o t\u1eeb kh\u00f3a ch\u00ednh ho\u1eb7c h\u1ea1t gi\u1ed1ng.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">C\u00f9ng m\u1ed9t c\u00e2y kh\u00f3a s\u1ebd \u0111\u01b0\u1ee3c t\u1ea1o b\u1edfi kh\u00f3a ch\u00ednh, cho ph\u00e9p ng\u01b0\u1eddi d\u00f9ng sao l\u01b0u m\u1ed9t h\u1ea1t gi\u1ed1ng duy nh\u1ea5t thay v\u00ec h\u00e0ng tr\u0103m kh\u00f3a trong tr\u01b0\u1eddng h\u1ee3p v\u00ed kh\u00f4ng x\u00e1c \u0111\u1ecbnh. H\u01a1n n\u1eefa, kh\u00f3a XPUB cho ph\u00e9p ng\u01b0\u1eddi d\u00f9ng nh\u1eadn Bitcoin tr\u1ef1c ti\u1ebfp v\u00e0o v\u00ed l\u01b0u tr\u1eef l\u1ea1nh v\u00e0 gi\u1eef kh\u00f3a ri\u00eang c\u1ee7a h\u1ecd ngo\u1ea1i tuy\u1ebfn v\u00ec ch\u00fang cho ph\u00e9p ng\u01b0\u1eddi d\u00f9ng t\u1ea1o \u0111\u1ecba ch\u1ec9 m\u1edbi b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng kh\u00f3a c\u00f4ng khai m\u1edf r\u1ed9ng tr\u1ef1c tuy\u1ebfn.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">M\u1ed9t nh\u00e0 b\u00e1n l\u1ebb web t\u1ea1o kh\u00f3a c\u00f4ng khai m\u1edbi cho m\u1ed7i l\u1ea7n b\u00e1n h\u00e0ng l\u00e0 m\u1ed9t tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng \u0111\u1ea7y c\u1ea3m h\u1ee9ng cho v\u00ed ti\u1ec1n \u0111i\u1ec7n t\u1eed HD. S\u1eed d\u1ee5ng v\u00ed x\u00e1c \u0111\u1ecbnh, ng\u01b0\u1eddi b\u00e1n c\u00f3 th\u1ec3 nhanh ch\u00f3ng t\u1ea1o v\u00e0 ch\u1ec9 l\u01b0u c\u00e1c kh\u00f3a c\u00f4ng khai tr\u00ean m\u00e1y ch\u1ee7 internet r\u1ee7i ro trong khi v\u1eabn gi\u1eef an to\u00e0n t\u1ea5t c\u1ea3 c\u00e1c kh\u00f3a ri\u00eang t\u01b0 li\u00ean quan trong b\u1ed9 l\u01b0u tr\u1eef ngo\u1ea1i tuy\u1ebfn. Ngo\u00e0i ra, nh\u00e0 b\u00e1n l\u1ebb c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng t\u00ednh n\u0103ng ph\u00e2n c\u1ea5p c\u1ee7a v\u00ed HD \u0111\u1ec3 ch\u1ec9 gi\u1eef l\u1ea1i c\u00e1c kh\u00f3a c\u00f4ng khai c\u1ea7n thi\u1ebft \u0111\u1ec3 x\u1eed l\u00fd c\u00e1c kho\u1ea3n thanh to\u00e1n c\u1ee7a ng\u01b0\u1eddi ti\u00eau d\u00f9ng, \u0111i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 c\u1ea3i thi\u1ec7n quy\u1ec1n ri\u00eang t\u01b0 c\u1ee7a ng\u01b0\u1eddi d\u00f9ng.<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"3_Nhung_loi_ich_va_han_che_cua_viec_su_dung_vi_phan_cap_xac_dinh_la_gi\"><\/span><span style=\"font-weight: 400;\">3. Nh\u1eefng l\u1ee3i \u00edch v\u00e0 h\u1ea1n ch\u1ebf c\u1ee7a vi\u1ec7c s\u1eed d\u1ee5ng v\u00ed ph\u00e2n c\u1ea5p x\u00e1c \u0111\u1ecbnh l\u00e0 g\u00ec?<\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">V\u1edbi v\u00ed x\u00e1c \u0111\u1ecbnh ph\u00e2n c\u1ea5p, quy\u1ec1n ri\u00eang t\u01b0 c\u1ee7a ng\u01b0\u1eddi d\u00f9ng \u0111\u01b0\u1ee3c c\u1ea3i thi\u1ec7n v\u00ec h\u1ecd c\u00f3 th\u1ec3 chia s\u1ebb kh\u00f3a c\u00f4ng khai ch\u00ednh c\u1ee7a m\u00ecnh v\u1edbi ng\u01b0\u1eddi kh\u00e1c m\u00e0 kh\u00f4ng khi\u1ebfn ti\u1ec1n c\u1ee7a h\u1ecd g\u1eb7p nguy hi\u1ec3m. T\u01b0\u01a1ng t\u1ef1, v\u00ed HD \u0111\u01b0\u1ee3c b\u1ea3o m\u1eadt v\u00ec ti\u1ec1n \u0111\u01b0\u1ee3c \u0111a d\u1ea1ng h\u00f3a tr\u00ean nhi\u1ec1u \u0111\u1ecba ch\u1ec9. Tuy nhi\u00ean, c\u00f3 kh\u1ea3 n\u0103ng b\u1ecb m\u1ea5t ti\u1ec1n \u0111\u00e1ng k\u1ec3 n\u1ebfu kh\u00f3a ch\u00ednh ho\u1eb7c kh\u00f3a ri\u00eang b\u1ecb ti\u1ebft l\u1ed9 cho c\u00f4ng ch\u00fang.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Do c\u1ea5u tr\u00fac ph\u00e2n c\u1ea5p c\u1ee7a v\u00ed x\u00e1c \u0111\u1ecbnh, m\u1ecdi kh\u00f3a ri\u00eang do h\u1ea1t gi\u1ed1ng t\u1ea1o ra \u0111\u1ec1u c\u00f3 kh\u1ea3 n\u0103ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng l\u00e0m kh\u00f3a ri\u00eang ch\u00ednh, sau \u0111\u00f3 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng l\u00e0m v\u00ed x\u00e1c \u0111\u1ecbnh \u0111\u1ec3 t\u1ea1o th\u00eam kh\u00f3a.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Ngo\u00e0i ra, vi\u1ec7c thay \u0111\u1ed5i \u0111\u1ecba ch\u1ec9 cung c\u1ea5p quy\u1ec1n ri\u00eang t\u01b0 n\u00e2ng cao, v\u00ec ng\u01b0\u1eddi ta kh\u00f4ng th\u1ec3 t\u00ecm ra s\u1ed1 d\u01b0 v\u00ed ch\u00ednh x\u00e1c t\u1eeb s\u1ed5 c\u00e1i c\u00f4ng khai. Tuy nhi\u00ean, b\u1ea5t k\u1ef3 ai c\u00f3 quy\u1ec1n truy c\u1eadp v\u00e0o kh\u00f3a ri\u00eang t\u01b0 m\u1edf r\u1ed9ng \u0111\u1ec1u c\u00f3 th\u1ec3 \u0111\u00e1nh c\u1eafp ti\u1ec1n c\u1ee7a ng\u01b0\u1eddi d\u00f9ng, \u0111\u00f3 l\u00e0 l\u00fd do t\u1ea1i sao ch\u00fang kh\u00f4ng n\u00ean \u0111\u01b0\u1ee3c chia s\u1ebb v\u1edbi c\u00e1c b\u00ean kh\u00f4ng \u0111\u00e1ng tin c\u1eady.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">C\u00f9ng v\u1edbi quy\u1ec1n ri\u00eang t\u01b0 \u0111\u01b0\u1ee3c c\u1ea3i thi\u1ec7n, v\u00ed x\u00e1c \u0111\u1ecbnh cung c\u1ea5p kh\u1ea3 n\u0103ng b\u1ea3o m\u1eadt cao, v\u00ec s\u1ebd c\u1ea7n c\u00f3 quy\u1ec1n truy c\u1eadp v\u00e0o m\u1ed9t s\u1ed1 kh\u00f3a ri\u00eang t\u01b0 kh\u00e1c nhau \u0111\u1ec3 c\u00f3 quy\u1ec1n truy c\u1eadp v\u00e0o t\u1ea5t c\u1ea3 t\u00e0i s\u1ea3n ti\u1ec1n \u0111i\u1ec7n t\u1eed c\u1ee7a ng\u01b0\u1eddi d\u00f9ng v\u00ec h\u1ecd \u0111\u00e3 ph\u00e2n b\u1ed5 ti\u1ec1n c\u1ee7a m\u00ecnh tr\u00ean m\u1ed9t s\u1ed1 \u0111\u1ecba ch\u1ec9. H\u01a1n n\u1eefa, c\u00e1c \u0111\u1ed3ng ti\u1ec1n \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t b\u1edfi c\u00e1c kh\u00f3a ri\u00eang t\u01b0 kh\u00e1c s\u1ebd kh\u00f4ng b\u1ecb \u1ea3nh h\u01b0\u1edfng n\u1ebfu m\u1ed9t kh\u00f3a ri\u00eang t\u01b0 b\u1ecb x\u00e2m ph\u1ea1m. Tuy nhi\u00ean, n\u1ebfu h\u1ea1t gi\u1ed1ng b\u1ecb x\u00e2m ph\u1ea1m, t\u1ea5t c\u1ea3 ti\u1ec1n c\u00f3 th\u1ec3 b\u1ecb tin t\u1eb7c \u0111\u00e1nh c\u1eafp.<\/span><\/p>\n<figure id=\"attachment_20558\" aria-describedby=\"caption-attachment-20558\" style=\"width: 900px\" class=\"wp-caption aligncenter\"><img decoding=\"async\" class=\"wp-image-20558\" src=\"https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2023\/02\/a3.png\" alt=\"crypto wallet, BTC wallet, v\u00ed Bitcoin\" width=\"900\" height=\"490\" srcset=\"https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2023\/02\/a3.png 2552w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2023\/02\/a3-300x163.png 300w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2023\/02\/a3-1024x558.png 1024w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2023\/02\/a3-150x82.png 150w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2023\/02\/a3-768x418.png 768w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2023\/02\/a3-1536x837.png 1536w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2023\/02\/a3-2048x1115.png 2048w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2023\/02\/a3-450x245.png 450w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2023\/02\/a3-1200x654.png 1200w\" sizes=\"(max-width: 900px) 100vw, 900px\" \/><figcaption id=\"caption-attachment-20558\" class=\"wp-caption-text\">V\u00ed HD an to\u00e0n nh\u01b0 ph\u01b0\u01a1ng ti\u1ec7n (v\u1eadt l\u00fd ho\u1eb7c k\u1ef9 thu\u1eadt s\u1ed1) m\u00e0 ch\u00fang \u0111\u01b0\u1ee3c l\u01b0u tr\u1eef tr\u00ean \u0111\u00f3.<\/figcaption><\/figure>\n<h2><span class=\"ez-toc-section\" id=\"4_Vi_HD_co_an_toan_khong\"><\/span><span style=\"font-weight: 400;\">4. V\u00ed HD c\u00f3 an to\u00e0n kh\u00f4ng?<\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">V\u00ed HD an to\u00e0n nh\u01b0 ph\u01b0\u01a1ng ti\u1ec7n (v\u1eadt l\u00fd ho\u1eb7c k\u1ef9 thu\u1eadt s\u1ed1) m\u00e0 ch\u00fang \u0111\u01b0\u1ee3c l\u01b0u tr\u1eef tr\u00ean \u0111\u00f3.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">BIP-32 cho ph\u00e9p v\u00ed HD t\u1ea1o ra c\u1ea5u tr\u00fac ph\u00e2n c\u1ea5p gi\u1ed1ng nh\u01b0 c\u00e2y c\u1ee7a c\u00e1c kh\u00f3a ri\u00eang t\u01b0 t\u1eeb h\u1ea1t gi\u1ed1ng. Do \u0111\u00f3, n\u1ebfu m\u1ed9t thi\u1ebft b\u1ecb b\u1ecb m\u1ea5t ho\u1eb7c b\u1ecb h\u1ecfng, b\u1ea3n sao l\u01b0u g\u1ed1c c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 kh\u00f4i ph\u1ee5c v\u00ed c\u00f9ng v\u1edbi t\u1ea5t c\u1ea3 c\u00e1c kh\u00f3a ri\u00eang c\u1ee7a c\u00e2y.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">V\u00ed x\u00e1c \u0111\u1ecbnh ph\u00e2n c\u1ea5p cung c\u1ea5p b\u1ea3o m\u1eadt v\u00e0 quy\u1ec1n ri\u00eang t\u01b0 n\u00e2ng cao so v\u1edbi v\u00ed kh\u00f4ng x\u00e1c \u0111\u1ecbnh. Ch\u00fang an to\u00e0n v\u00ec m\u1ed9t \u0111\u1ecba ch\u1ec9 m\u1edbi \u0111\u01b0\u1ee3c c\u1ea5p cho m\u1ed7i giao d\u1ecbch m\u1edbi. Do \u0111\u00f3, hack ch\u00fang l\u00e0 m\u1ed9t qu\u00e1 tr\u00ecnh \u0111\u1ea7y th\u00e1ch th\u1ee9c v\u00e0 ph\u1ee9c t\u1ea1p. Ngo\u00e0i ra, s\u1ed1 l\u01b0\u1ee3ng \u0111\u1ecba ch\u1ec9 c\u00f4ng khai kh\u00f4ng x\u00e1c \u0111\u1ecbnh c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c t\u1ea1o cho m\u1ee5c \u0111\u00edch thu ti\u1ec1n thanh to\u00e1n, \u0111\u1ea3m b\u1ea3o t\u00ednh \u1ea9n danh t\u00e0i ch\u00ednh c\u1ee7a ng\u01b0\u1eddi d\u00f9ng.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Tuy nhi\u00ean, n\u1ebfu kh\u00f3a ri\u00eang ho\u1eb7c kh\u00f3a ch\u00ednh kh\u00f4ng \u0111\u01b0\u1ee3c l\u01b0u tr\u1eef an to\u00e0n, ch\u00fang c\u00f3 th\u1ec3 khi\u1ebfn ti\u1ec1n c\u1ee7a ng\u01b0\u1eddi d\u00f9ng b\u1ecb l\u1ed9 cho c\u00e1c t\u00e1c nh\u00e2n \u0111\u1ed9c h\u1ea1i. Do \u0111\u00f3, c\u00e1c c\u1ee5m t\u1eeb g\u1ed1c \u0111\u01b0\u1ee3c ch\u1ecdn trong v\u00ed HD kh\u00f4ng \u0111\u01b0\u1ee3c li\u00ean quan \u0111\u1ebfn t\u00ean c\u1ee7a ng\u01b0\u1eddi d\u00f9ng ho\u1eb7c b\u1ea5t k\u1ef3 chi ti\u1ebft c\u00e1 nh\u00e2n n\u00e0o kh\u00e1c m\u00e0 k\u1ebb t\u1ea5n c\u00f4ng s\u1ebd d\u1ec5 d\u00e0ng th\u1ecfa hi\u1ec7p h\u01a1n.<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"5_Tong_ket\"><\/span><span style=\"font-weight: 400;\">5. T\u1ed5ng k\u1ebft<\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">V\u1eady l\u00e0 ch\u00fang ta \u0111\u00e3 c\u00f9ng nhau t\u00ecm hi\u1ec3u v\u1ec1 v\u00ed ph\u00e2n c\u1ea5p x\u00e1c \u0111\u1ecbnh Hierarchical Deterministic trong ti\u1ec1n \u0111i\u1ec7n t\u1eed. Hy v\u1ecdng b\u00e0i vi\u1ebft \u0111\u00e3 gi\u00fap b\u1ea1n \u0111\u1ecdc hi\u1ec3u h\u01a1n v\u1ec1 kh\u00e1i ni\u1ec7m m\u1edbi m\u1ebb n\u00e0y. \u0110\u1eebng qu\u00ean, m\u1ecdi th\u1eafc m\u1eafc vui l\u00f2ng li\u00ean h\u1ec7 \u0111\u1ed9i ng\u0169 Support c\u1ee7a <a href=\"https:\/\/www.fiahub.com\">Fiahub<\/a> 24\/7.\u00a0<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>1. V\u00ed ph\u00e2n c\u1ea5p x\u00e1c \u0111\u1ecbnh v\u00e0 kh\u00f4ng x\u00e1c \u0111\u1ecbnh l\u00e0 g\u00ec? V\u00ed x\u00e1c \u0111\u1ecbnh ph\u00e2n c\u1ea5p t\u1ea1o kh\u00f3a c\u00f4ng khai v\u00e0 kh\u00f3a ri\u00eang t\u1eeb kh\u00f3a ch\u00ednh, cho ph\u00e9p ng\u01b0\u1eddi d\u00f9ng t\u1ea1o v\u00ed m\u1edbi v\u00e0 truy xu\u1ea5t t\u1ea5t c\u1ea3 \u0111\u1ecba ch\u1ec9 v\u00e0 kh\u00f3a, mi\u1ec5n l\u00e0 h\u1ecd c\u00f3 quy\u1ec1n truy c\u1eadp v\u00e0o ngu\u1ed3n g\u1ed1c. Ng\u01b0\u1ee3c l\u1ea1i,<\/p>\n","protected":false},"author":24,"featured_media":20559,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[21850],"tags":[221,3102,22008,22744,22416],"class_list":{"0":"post-20555","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-tu-dien-crypto","8":"tag-bitcoin","9":"tag-btc","10":"tag-crypto-wallet","11":"tag-vi-btc","12":"tag-wallet"},"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>V\u00ed ph\u00e2n c\u1ea5p x\u00e1c \u0111\u1ecbnh HD (Hierarchical Deterministic) l\u00e0 g\u00ec? - Fiahub<\/title>\n<meta name=\"description\" content=\"B\u1ea1n \u0111\u00e3 t\u1eebng nghe t\u1edbi khai ni\u1ec7m v\u00ed ph\u00e2n c\u1ea5p x\u00e1c \u0111\u1ecbnh trong ti\u1ec1n \u0111i\u1ec7n t\u1eed ch\u01b0a? 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