{"id":17074,"date":"2022-06-19T10:00:14","date_gmt":"2022-06-19T03:00:14","guid":{"rendered":"https:\/\/www.fiahub.com\/blog\/?p=17074"},"modified":"2025-03-16T23:28:02","modified_gmt":"2025-03-16T16:28:02","slug":"quan-diem-cong-nghe-khong-phai-proof-of-stake-proof-of-work-moi-la-muc-tieu","status":"publish","type":"post","link":"https:\/\/www.fiahub.com\/blog\/quan-diem-cong-nghe-khong-phai-proof-of-stake-proof-of-work-moi-la-muc-tieu\/","title":{"rendered":"Kh\u00f4ng ph\u1ea3i Proof of Stake, Proof of Work m\u1edbi l\u00e0 m\u1ee5c ti\u00eau!"},"content":{"rendered":"<p><span style=\"font-weight: 400;\">Proof of Stake l\u00e0 m\u1ed9t c\u01a1 ch\u1ebf \u0111\u1ed3ng thu\u1eadn thay th\u1ebf \u0111\u01b0\u1ee3c \u0111\u1ec1 xu\u1ea5t cho <a href=\"https:\/\/www.fiahub.com\/blog\/pow-la-gi-tim-hieu-co-che-hoat-dong-cua-pow\/\" target=\"_blank\" rel=\"noopener\">Proof of Work<\/a> m\u00e0 c\u01a1 ch\u1ebf \u0111\u1ed3ng thu\u1eadn c\u1ee7a Bitcoin s\u1eed d\u1ee5ng. Thay v\u00ec y\u00eau c\u1ea7u ti\u00eau th\u1ee5 n\u0103ng l\u01b0\u1ee3ng, <a href=\"https:\/\/www.fiahub.com\/blog\/thuat-toan-dong-thuan-proof-of-stake-pos-va-nhung-dieu-can-biet\/\" target=\"_blank\" rel=\"noopener\">Proof of Stake <\/a>y\u00eau c\u1ea7u ng\u01b0\u1eddi khai th\u00e1c (th\u01b0\u1eddng \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 tr\u00ecnh x\u00e1c th\u1ef1c) \u0111\u1eb7t c\u00e1c t\u00e0i s\u1ea3n k\u1ef9 thu\u1eadt s\u1ed1 v\u00e0o t\u00ecnh tr\u1ea1ng \u201cnguy hi\u1ec3m\u201d \u0111\u1ec3 \u0111\u00f3ng g\u00f3p v\u00e0o qu\u00e1 tr\u00ecnh s\u1ea3n xu\u1ea5t kh\u1ed1i. Vi\u1ec7c \u0111\u1eb7t c\u01b0\u1ee3c khuy\u1ebfn kh\u00edch h\u1ecd c\u01b0 x\u1eed trung th\u1ef1c \u0111\u1ec3 tr\u00e1nh m\u1ea5t ti\u1ec1n \u0111\u1eb7t c\u1ecdc. V\u1ec1 l\u00fd thuy\u1ebft, ch\u1ec9 v\u1edbi nh\u1eefng ng\u01b0\u1eddi x\u00e1c th\u1ef1c trung th\u1ef1c, m\u1ea1ng l\u01b0\u1edbi s\u1ebd nhanh ch\u00f3ng \u0111i \u0111\u1ebfn th\u1ed1ng nh\u1ea5t v\u1ec1 th\u1ee9 t\u1ef1 c\u1ee7a c\u00e1c giao d\u1ecbch v\u00e0 do \u0111\u00f3, v\u1ec1 nh\u1eefng giao d\u1ecbch n\u00e0o l\u00e0 chi ti\u00eau k\u00e9p kh\u00f4ng h\u1ee3p l\u1ec7.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Proof of Stake \u0111\u00e3 l\u00e0 ch\u1ee7 \u0111\u1ec1 c\u1ee7a nhi\u1ec1u cu\u1ed9c tranh lu\u1eadn. H\u1ea7u h\u1ebft c\u00e1c l\u1eddi ch\u1ec9 tr\u00edch t\u1eadp trung v\u00e0o b\u1ea3o m\u1eadt: N\u00f3 c\u00f3 l\u00e0m gi\u1ea3m chi ph\u00ed t\u1ea5n c\u00f4ng kh\u00f4ng? Nhi\u1ec1u ng\u01b0\u1eddi c\u0169ng n\u00eau r\u00f5 c\u00e1c m\u1ed1i quan t\u00e2m x\u00e3 h\u1ed9i h\u1ecdc: t\u1eadp trung quy\u1ec1n l\u1ef1c, t\u1eadp trung c\u1ee7a c\u1ea3i, ch\u1ebf \u0111\u1ed9 d\u00e2n quy\u1ec1n\u2026<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Trong b\u00e0i vi\u1ebft n\u00e0y, ch\u00fang ta s\u1ebd c\u00f9ng tranh lu\u1eadn: Proof of Stake v\u1ed1n d\u0129 mang t\u00ednh ch\u1ee7 quan? Quan \u0111i\u1ec3m ch\u00ednh x\u00e1c v\u1ec1 blockchain b\u1eb1ng ch\u1ee9ng c\u1ed5 ph\u1ea7n ph\u1ee5 thu\u1ed9c v\u00e0o ng\u01b0\u1eddi b\u1ea1n \u0111ang h\u1ecfi. Do \u0111\u00f3, chi ph\u00ed c\u1ee7a m\u1ed9t cu\u1ed9c t\u1ea5n c\u00f4ng kh\u00f4ng th\u1ec3 \u0111\u01b0\u1ee3c t\u00ednh b\u1eb1ng c\u00e1c \u0111\u01a1n v\u1ecb b\u00ean trong chu\u1ed7i kh\u1ed1i, l\u00e0m cho c\u00e1c ph\u00e2n t\u00edch b\u1ea3o m\u1eadt tr\u1edf n\u00ean v\u00f4 hi\u1ec7u; kh\u00f4ng th\u1ec3 thanh to\u00e1n c\u00e1c kho\u1ea3n n\u1ee3 gi\u1eefa c\u00e1c b\u00ean m\u00e0 kh\u00f4ng c\u00f3 th\u1ecfa thu\u1eadn v\u1ec1 b\u00ean th\u1ee9 ba n\u00e0o \u0111\u00e1ng tin c\u1eady; v\u00e0 vi\u1ec7c gi\u1ea3i quy\u1ebft tranh ch\u1ea5p cu\u1ed1i c\u00f9ng ph\u1ea3i \u0111\u1ebfn t\u1eeb c\u00e1c t\u00f2a \u00e1n.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Ng\u01b0\u1ee3c l\u1ea1i, Proof of Work l\u00e0 m\u1ed9t c\u01a1 ch\u1ebf \u0111\u1ed3ng thu\u1eadn kh\u00e1ch quan, n\u01a1i b\u1ea5t k\u1ef3 t\u1eadp h\u1ee3p c\u00e1c b\u00ean li\u00ean quan ho\u1eb7c kh\u00f4ng li\u00ean quan c\u00f3 th\u1ec3 \u0111i \u0111\u1ebfn th\u1ed1ng nh\u1ea5t v\u1ec1 tr\u1ea1ng th\u00e1i n\u00e0o c\u1ee7a blockchain l\u00e0 ch\u00ednh x\u00e1c. Do \u0111\u00f3, b\u1ea5t k\u1ef3 hai t\u00e1c nh\u00e2n kinh t\u1ebf n\u00e0o c\u0169ng c\u00f3 th\u1ec3 th\u1ecfa thu\u1eadn v\u1ec1 vi\u1ec7c li\u1ec7u m\u1ed9t kho\u1ea3n thanh to\u00e1n \u0111\u00e3 \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n hay ch\u01b0a, \u0111\u1ed9c l\u1eadp v\u1edbi t\u00f2a \u00e1n ho\u1eb7c c\u00e1c th\u00e0nh vi\u00ean c\u1ed9ng \u0111\u1ed3ng c\u00f3 \u1ea3nh h\u01b0\u1edfng. S\u1ef1 kh\u00e1c bi\u1ec7t n\u00e0y l\u00e0m cho b\u1eb1ng ch\u1ee9ng c\u00f4ng vi\u1ec7c ph\u00f9 h\u1ee3p &#8211; v\u00e0 b\u1eb1ng ch\u1ee9ng c\u1ed5 ph\u1ea7n kh\u00f4ng ph\u00f9 h\u1ee3p &#8211; nh\u01b0 m\u1ed9t c\u01a1 ch\u1ebf \u0111\u1ed3ng thu\u1eadn cho c\u00e1c lo\u1ea1i ti\u1ec1n k\u1ef9 thu\u1eadt s\u1ed1.<\/span><\/p>\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\/quan-diem-cong-nghe-khong-phai-proof-of-stake-proof-of-work-moi-la-muc-tieu\/#TIEN_KY_THUAT_SO_VA_TIEN_LAI\" >TI\u1ec0N K\u1ef8 THU\u1eacT S\u1ed0 V\u00c0 TI\u1ec0N L\u00c3I<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.fiahub.com\/blog\/quan-diem-cong-nghe-khong-phai-proof-of-stake-proof-of-work-moi-la-muc-tieu\/#VAN_DE_CAN_GIAI_QUYET\" >V\u1ea4N \u0110\u1ec0 C\u1ea6N GI\u1ea2I QUY\u1ebeT<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.fiahub.com\/blog\/quan-diem-cong-nghe-khong-phai-proof-of-stake-proof-of-work-moi-la-muc-tieu\/#QUY_TAC_LUA_CHON_FORK\" >QUY T\u1eaeC L\u1ef0A CH\u1eccN FORK<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.fiahub.com\/blog\/quan-diem-cong-nghe-khong-phai-proof-of-stake-proof-of-work-moi-la-muc-tieu\/#CUMULATIVE_PROOF-OF-WORK\" >CUMULATIVE PROOF-OF-WORK<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.fiahub.com\/blog\/quan-diem-cong-nghe-khong-phai-proof-of-stake-proof-of-work-moi-la-muc-tieu\/#%22GIAI_PHAP%22_CUA_PROOF-OF-STAKE\" >\"GI\u1ea2I PH\u00c1P\" C\u1ee6A PROOF-OF-STAKE<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.fiahub.com\/blog\/quan-diem-cong-nghe-khong-phai-proof-of-stake-proof-of-work-moi-la-muc-tieu\/#PROOF-OF-STAKE_LA_KHONG_THE_CHUA_DUOC\" >PROOF-OF-STAKE L\u00c0 KH\u00d4NG TH\u1ec2 CH\u1ee8A \u0110\u01af\u1ee2C<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.fiahub.com\/blog\/quan-diem-cong-nghe-khong-phai-proof-of-stake-proof-of-work-moi-la-muc-tieu\/#PROOF_OF_STAKE_LA_DOI_TUONG\" >PROOF OF STAKE L\u00c0 \u0110\u1ed0I T\u01af\u1ee2NG<\/a><\/li><\/ul><\/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\/quan-diem-cong-nghe-khong-phai-proof-of-stake-proof-of-work-moi-la-muc-tieu\/#TIEN_VA_MUC_TIEU\" >TI\u1ec0N V\u00c0 M\u1ee4C TI\u00caU<\/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\/quan-diem-cong-nghe-khong-phai-proof-of-stake-proof-of-work-moi-la-muc-tieu\/#PHAN_KET_LUAN\" >PH\u1ea6N K\u1ebeT LU\u1eacN<\/a><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"TIEN_KY_THUAT_SO_VA_TIEN_LAI\"><\/span><span style=\"font-weight: 400;\">TI\u1ec0N K\u1ef8 THU\u1eacT S\u1ed0 V\u00c0 TI\u1ec0N L\u00c3I<\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"VAN_DE_CAN_GIAI_QUYET\"><\/span><span style=\"font-weight: 400;\">V\u1ea4N \u0110\u1ec0 C\u1ea6N GI\u1ea2I QUY\u1ebeT<\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-weight: 400;\">M\u1ed9t trong nh\u1eefng ho\u1ea1t \u0111\u1ed9ng c\u01a1 b\u1ea3n nh\u1ea5t m\u00e0 m\u00e1y t\u00ednh th\u1ef1c hi\u1ec7n l\u00e0 sao ch\u00e9p th\u00f4ng tin. Thao t\u00e1c n\u00e0y gi\u1eef nguy\u00ean b\u1ea3n sao g\u1ed1c v\u00e0 t\u1ea1o ra m\u1ed9t b\u1ea3n sao ch\u00ednh x\u00e1c v\u1ec1 c\u01a1 b\u1ea3n l\u00e0 kh\u00f4ng m\u1ea5t ph\u00ed. M\u00e1y t\u00ednh c\u00f3 th\u1ec3 sao ch\u00e9p b\u1ea5t c\u1ee9 th\u1ee9 g\u00ec, mi\u1ec5n l\u00e0 n\u00f3 l\u00e0 k\u1ef9 thu\u1eadt s\u1ed1.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Tuy nhi\u00ean, c\u00f3 m\u1ed9t s\u1ed1 th\u1ee9 t\u1ed3n t\u1ea1i thu\u1ea7n t\u00fay trong l\u0129nh v\u1ef1c k\u1ef9 thu\u1eadt s\u1ed1 kh\u00f4ng th\u1ec3 sao ch\u00e9p \u0111\u01b0\u1ee3c. Nh\u1eefng th\u1ee9 v\u1eeba k\u1ef9 thu\u1eadt s\u1ed1 v\u1eeba khan hi\u1ebfm. V\u00ed d\u1ee5, m\u00f4 t\u1ea3 n\u00e0y \u00e1p d\u1ee5ng cho bitcoin, c\u0169ng nh\u01b0 c\u00e1c t\u00e0i s\u1ea3n k\u1ef9 thu\u1eadt s\u1ed1 d\u1ef1a tr\u00ean blockchain kh\u00e1c. Ch\u00fang c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c g\u1eedi \u0111i, nh\u01b0ng sau khi g\u1eedi ch\u00fang, b\u1ea3n g\u1ed1c \u0111\u00e3 bi\u1ebfn m\u1ea5t. Ng\u01b0\u1eddi ta c\u00f3 th\u1ec3 kh\u00f4ng \u0111\u1ed3ng \u00fd v\u1edbi l\u00fd do t\u1ea1i sao th\u1ecb tr\u01b0\u1eddng \u0111\u00f2i h\u1ecfi nh\u1eefng t\u00e0i s\u1ea3n n\u00e0y, nh\u01b0ng th\u1ef1c t\u1ebf l\u00e0 nhu c\u1ea7u n\u00e0y t\u1ed3n t\u1ea1i c\u00f3 ngh\u0129a l\u00e0 nh\u1eefng t\u00e0i s\u1ea3n k\u1ef9 thu\u1eadt s\u1ed1 n\u00e0y h\u1eefu \u00edch nh\u01b0 m\u1ed9t \u0111\u1ed1i tr\u1ecdng \u0111\u1ec3 c\u00e2n b\u1eb1ng c\u00e1c s\u00e0n giao d\u1ecbch. Khi c\u00f4 \u0111\u1ecdng l\u1ea1i th\u00e0nh m\u1ed9t t\u1eeb duy nh\u1ea5t: ch\u00fang l\u00e0 ti\u1ec1n.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u0110\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c s\u1ef1 khan hi\u1ebfm k\u1ef9 thu\u1eadt s\u1ed1, giao th\u1ee9c blockchain sao ch\u00e9p m\u1ed9t s\u1ed5 c\u00e1i tr\u00ean m\u1ed9t m\u1ea1ng. S\u1ed5 c\u00e1i c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c c\u1eadp nh\u1eadt, nh\u01b0ng ch\u1ec9 v\u1edbi c\u00e1c giao d\u1ecbch m\u00e0 ch\u1ee7 s\u1edf h\u1eefu c\u1ee7a c\u00e1c kho\u1ea3n ti\u1ec1n \u0111\u00e3 chi ti\u00eau \u0111\u1ed3ng \u00fd; t\u1ed5ng r\u00f2ng b\u1eb1ng 0; v\u00e0 k\u1ebft qu\u1ea3 \u0111\u1ea7u ra l\u00e0 t\u00edch c\u1ef1c.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">M\u1ecdi c\u1eadp nh\u1eadt kh\u00f4ng h\u1ee3p l\u1ec7 s\u1ebd b\u1ecb t\u1eeb ch\u1ed1i. Mi\u1ec5n l\u00e0 c\u00f3 s\u1ef1 \u0111\u1ed3ng thu\u1eadn v\u1ec1 tr\u1ea1ng th\u00e1i c\u1ee7a s\u1ed5 c\u00e1i gi\u1eefa t\u1ea5t c\u1ea3 nh\u1eefng ng\u01b0\u1eddi tham gia giao th\u1ee9c, s\u1ef1 khan hi\u1ebfm k\u1ef9 thu\u1eadt s\u1ed1 \u0111\u01b0\u1ee3c \u0111\u1ea3m b\u1ea3o.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">N\u00f3 ch\u1ec9 ra r\u1eb1ng \u0111\u1ea1t \u0111\u01b0\u1ee3c s\u1ef1 \u0111\u1ed3ng thu\u1eadn l\u00e0 m\u1ed9t nhi\u1ec7m v\u1ee5 kh\u00f3 kh\u0103n. C\u00e1c \u0111i\u1ec1u ki\u1ec7n m\u1ea1ng kh\u00f4ng ho\u00e0n h\u1ea3o t\u1ea1o ra c\u00e1c quan \u0111i\u1ec3m kh\u00e1c bi\u1ec7t v\u1ec1 l\u1ecbch s\u1eed. C\u00e1c g\u00f3i b\u1ecb r\u01a1i ho\u1eb7c giao kh\u00f4ng \u0111\u00fang th\u1ee9 t\u1ef1. S\u1ef1 b\u1ea5t \u0111\u1ed3ng l\u00e0 \u0111\u1eb7c h\u1eefu c\u1ee7a c\u00e1c m\u1ea1ng l\u01b0\u1edbi.<\/span><\/p>\n<figure id=\"attachment_17076\" aria-describedby=\"caption-attachment-17076\" style=\"width: 900px\" class=\"wp-caption aligncenter\"><img fetchpriority=\"high\" decoding=\"async\" class=\"wp-image-17076\" src=\"https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/06\/a1-7.png\" alt=\"Proof of Work, PoW, Proof of Stake, PoS\" width=\"900\" height=\"514\" srcset=\"https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/06\/a1-7.png 700w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/06\/a1-7-300x171.png 300w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/06\/a1-7-150x86.png 150w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/06\/a1-7-450x257.png 450w\" sizes=\"(max-width: 900px) 100vw, 900px\" \/><figcaption id=\"caption-attachment-17076\" class=\"wp-caption-text\">Proof of Work l\u00e0 m\u1ed9t c\u01a1 ch\u1ebf \u0111\u1ed3ng thu\u1eadn kh\u00e1ch quan, n\u01a1i b\u1ea5t k\u1ef3 t\u1eadp h\u1ee3p c\u00e1c b\u00ean li\u00ean quan ho\u1eb7c kh\u00f4ng li\u00ean quan c\u00f3 th\u1ec3 \u0111i \u0111\u1ebfn th\u1ed1ng nh\u1ea5t v\u1ec1 tr\u1ea1ng th\u00e1i n\u00e0o c\u1ee7a blockchain l\u00e0 ch\u00ednh x\u00e1c.<\/figcaption><\/figure>\n<h3><span class=\"ez-toc-section\" id=\"QUY_TAC_LUA_CHON_FORK\"><\/span><span style=\"font-weight: 400;\">QUY T\u1eaeC L\u1ef0A CH\u1eccN FORK<\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-weight: 400;\">Blockchains gi\u1ea3i quy\u1ebft v\u1ea5n \u0111\u1ec1 n\u00e0y theo hai c\u00e1ch. \u0110\u1ea7u ti\u00ean, h\u1ecd th\u1ef1c thi m\u1ed9t th\u1ee9 t\u1ef1 ho\u00e0n ch\u1ec9nh tr\u00ean t\u1ea5t c\u1ea3 c\u00e1c giao d\u1ecbch, \u0111i\u1ec1u n\u00e0y t\u1ea1o ra m\u1ed9t c\u00e2y c\u00e1c quan \u0111i\u1ec3m thay th\u1ebf v\u1ec1 l\u1ecbch s\u1eed. Th\u1ee9 hai, h\u1ecd x\u00e1c \u0111\u1ecbnh quy lu\u1eadt cho l\u1ecbch s\u1eed, c\u00f9ng v\u1edbi quy t\u1eafc l\u1ef1a ch\u1ecdn ng\u00e3 ba ch\u1ecdn nh\u00e1nh ch\u00ednh t\u1eafc t\u1eeb c\u00e2y l\u1ecbch s\u1eed.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">C\u00f3 th\u1ec3 d\u1ec5 d\u00e0ng nh\u1eadn \u0111\u01b0\u1ee3c s\u1ef1 chu\u1ea9n m\u1ef1c t\u1eeb c\u00e1c c\u01a1 quan c\u00f3 th\u1ea9m quy\u1ec1n \u0111\u00e1ng tin c\u1eady ho\u1eb7c theo m\u1ed9t s\u1ed1 ng\u01b0\u1eddi, t\u1eeb m\u1ed9t k\u1ebf ho\u1ea1ch b\u1ecf phi\u1ebfu k\u1ef9 thu\u1eadt s\u1ed1 \u0111\u01b0\u1ee3c h\u1ed7 tr\u1ee3 b\u1edfi m\u1ed9t s\u01a1 \u0111\u1ed3 c\u0103n c\u01b0\u1edbc c\u00f4ng d\u00e2n. Tuy nhi\u00ean, c\u00e1c c\u01a1 quan c\u00f3 th\u1ea9m quy\u1ec1n \u0111\u00e1ng tin c\u1eady l\u00e0 l\u1ed7 h\u1ed5ng b\u1ea3o m\u1eadt v\u00e0 vi\u1ec7c d\u1ef1a v\u00e0o ch\u00ednh ph\u1ee7 \u0111\u1ec3 cung c\u1ea5p c\u00e1c d\u1ecbch v\u1ee5 nh\u1eadn d\u1ea1ng \u0111\u00e1ng tin c\u1eady s\u1ebd tr\u1edf th\u00e0nh m\u1ed9t c\u00f4ng c\u1ee5 ch\u00ednh tr\u1ecb h\u01a1n l\u00e0 m\u1ed9t c\u00f4ng c\u1ee5 \u0111\u1ed9c l\u1eadp v\u1edbi n\u00f3. H\u01a1n n\u1eefa, c\u1ea3 hai gi\u1ea3i ph\u00e1p \u0111\u1ec1u gi\u1ea3 \u0111\u1ecbnh c\u00f3 s\u1ef1 \u0111\u1ed3ng \u00fd v\u1ec1 danh t\u00ednh v\u00e0 \u0111\u1ed9 tin c\u1eady c\u1ee7a c\u00e1c b\u00ean th\u1ee9 ba. Ch\u00fang t\u00f4i mu\u1ed1n gi\u1ea3m b\u1edbt c\u00e1c gi\u1ea3 \u0111\u1ecbnh v\u1ec1 ni\u1ec1m tin; l\u00fd t\u01b0\u1edfng l\u00e0 ch\u00fang ta c\u00f3 m\u1ed9t gi\u1ea3i ph\u00e1p ho\u00e0n to\u00e0n xu\u1ea5t ph\u00e1t t\u1eeb to\u00e1n h\u1ecdc.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">M\u1ed9t gi\u1ea3i ph\u00e1p \u0111\u1ec3 quy\u1ebft \u0111\u1ecbnh t\u00ednh kinh \u0111i\u1ec3n b\u1eaft ngu\u1ed3n ho\u00e0n to\u00e0n t\u1eeb to\u00e1n h\u1ecdc t\u1ea1o ra m\u1ed9t \u0111\u1eb7c t\u00ednh \u0111\u00e1ng ch\u00fa \u00fd l\u00e0 c\u00e2u tr\u1ea3 l\u1eddi \u0111\u1ed9c l\u1eadp v\u1edbi b\u1ea5t k\u1ef3 ai t\u00ednh to\u00e1n n\u00f3. \u0110\u00e2y l\u00e0 \u00fd ngh\u0129a trong \u0111\u00f3 m\u1ed9t c\u01a1 ch\u1ebf \u0111\u1ed3ng thu\u1eadn c\u00f3 kh\u1ea3 n\u0103ng mang t\u00ednh kh\u00e1ch quan. Tuy nhi\u00ean, c\u00f3 m\u1ed9t l\u01b0u \u00fd quan tr\u1ecdng: ng\u01b0\u1eddi ta ph\u1ea3i gi\u1ea3 \u0111\u1ecbnh r\u1eb1ng t\u1ea5t c\u1ea3 c\u00e1c b\u00ean \u0111\u1ed3ng \u00fd v\u1ec1 m\u1ed9t \u0111i\u1ec3m tham chi\u1ebfu duy nh\u1ea5t, ch\u1eb3ng h\u1ea1n nh\u01b0 kh\u1ed1i genesis ho\u1eb7c th\u00f4ng b\u00e1o b\u0103m c\u1ee7a n\u00f3. C\u01a1 ch\u1ebf \u0111\u1ed3ng thu\u1eadn kh\u00e1ch quan l\u00e0 c\u01a1 ch\u1ebf cho ph\u00e9p b\u1ea5t k\u1ef3 b\u00ean n\u00e0o c\u00f3 th\u1ec3 ngo\u1ea1i suy quan \u0111i\u1ec3m kinh \u0111i\u1ec3n v\u1ec1 l\u1ecbch s\u1eed t\u1eeb \u0111i\u1ec3m tham chi\u1ebfu n\u00e0y.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">C\u00e0nh c\u00e2y n\u00e0o \u0111\u01b0\u1ee3c ch\u1ecdn l\u00e0m kinh \u0111i\u1ec3n kh\u00f4ng quan tr\u1ecdng; \u0111i\u1ec1u quan tr\u1ecdng l\u00e0 t\u1ea5t c\u1ea3 nh\u1eefng ng\u01b0\u1eddi tham gia c\u00f3 th\u1ec3 \u0111\u1ed3ng \u00fd v\u1ec1 s\u1ef1 l\u1ef1a ch\u1ecdn n\u00e0y. H\u01a1n n\u1eefa, to\u00e0n b\u1ed9 c\u00e2y kh\u00f4ng c\u1ea7n \u0111\u01b0\u1ee3c bi\u1ec3u di\u1ec5n r\u00f5 r\u00e0ng tr\u00ean b\u1ea5t k\u1ef3 m\u00e1y t\u00ednh n\u00e0o. Thay v\u00e0o \u0111\u00f3, n\u00f3 \u0111\u1ee7 cho m\u1ed7i n\u00fat ch\u1ec9 ch\u1ee9a m\u1ed9t s\u1ed1 nh\u00e1nh. Trong tr\u01b0\u1eddng h\u1ee3p n\u00e0y, quy t\u1eafc l\u1ef1a ch\u1ecdn r\u1ebd nh\u00e1nh ch\u1ec9 ki\u1ec3m tra hai quan \u0111i\u1ec3m \u1ee9ng c\u1eed vi\u00ean v\u1ec1 l\u1ecbch s\u1eed c\u00f9ng m\u1ed9t l\u00fac. N\u00f3i m\u1ed9t c\u00e1ch ch\u00ednh x\u00e1c, c\u1ee5m t\u1eeb quan \u0111i\u1ec3m kinh \u0111i\u1ec3n v\u1ec1 l\u1ecbch s\u1eed g\u00e2y hi\u1ec3u l\u1ea7m: M\u1ed9t quan \u0111i\u1ec3m v\u1ec1 l\u1ecbch s\u1eed ch\u1ec9 c\u00f3 th\u1ec3 l\u00e0 kinh \u0111i\u1ec3n \u00edt nhi\u1ec1u so v\u1edbi m\u1ed9t quan \u0111i\u1ec3m kh\u00e1c. C\u00e1c n\u00fat th\u1ea3 xu\u1ed1ng b\u1ea5t k\u1ef3 nh\u00e1nh n\u00e0o \u00edt h\u1ee3p quy h\u01a1n v\u00e0 lan truy\u1ec1n nh\u00e1nh n\u00e0o nhi\u1ec1u h\u01a1n. B\u1ea5t c\u1ee9 khi n\u00e0o ch\u1ebf \u0111\u1ed9 xem l\u1ecbch s\u1eed \u0111\u01b0\u1ee3c m\u1edf r\u1ed9ng v\u1edbi m\u1ed9t lo\u1ea1t c\u00e1c giao d\u1ecbch m\u1edbi, ch\u1ebf \u0111\u1ed9 xem m\u1edbi s\u1ebd ch\u00ednh t\u1eafc h\u01a1n ch\u1ebf \u0111\u1ed9 xem c\u0169.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u0110\u1ec3 m\u1ea1ng nhanh ch\u00f3ng h\u1ed9i t\u1ee5 s\u1ef1 \u0111\u1ed3ng thu\u1eadn v\u1ec1 quan \u0111i\u1ec3m ch\u00ednh t\u1eafc c\u1ee7a l\u1ecbch s\u1eed, quy t\u1eafc l\u1ef1a ch\u1ecdn r\u1ebd nh\u00e1nh c\u1ea7n ph\u1ea3i th\u1ecfa m\u00e3n hai thu\u1ed9c t\u00ednh. \u0110\u1ea7u ti\u00ean, n\u00f3 ph\u1ea3i \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh r\u00f5 r\u00e0ng v\u00e0 c\u00f3 gi\u00e1 tr\u1ecb hi\u1ec7u qu\u1ea3 \u0111\u1ed1i v\u1edbi b\u1ea5t k\u1ef3 quan \u0111i\u1ec3m l\u1ecbch s\u1eed c\u1ee7a hai c\u1eb7p n\u00e0o. Th\u1ee9 hai, n\u00f3 ph\u1ea3i c\u00f3 t\u00ednh b\u1eafc c\u1ea7u \u0111\u1ed1i v\u1edbi b\u1ea5t k\u1ef3 b\u1ed9 ba quan \u0111i\u1ec3m n\u00e0o v\u1ec1 l\u1ecbch s\u1eed. \u0110\u1ed1i v\u1edbi khuynh h\u01b0\u1edbng to\u00e1n h\u1ecdc: \u0111\u1eb7t U, V, W l\u00e0 ba quan \u0111i\u1ec3m l\u1ecbch s\u1eed b\u1ea5t k\u1ef3 v\u00e0 \u0111\u1eb7t ti\u1ec1n t\u1ed1 \u201c&lt;\u201d bi\u1ec3u th\u1ecb quy t\u1eafc l\u1ef1a ch\u1ecdn ng\u00e3 ba nghi\u00eang v\u1ec1 ph\u00eda b\u00ean ph\u1ea3i h\u01a1n b\u00ean tr\u00e1i.<\/span><\/p>\n<p><b>Sau \u0111\u00f3, [hai \u0111i\u1ec1u ki\u1ec7n gi\u1eef]:<br \/>\n<\/b><b>ho\u1eb7c U &lt;V ho\u1eb7c V &lt;U; [v\u00e0]\n<\/b><b>\u01af &lt;V\u2227V &lt;W\u21d2U &lt;W<\/b><\/p>\n<p><span style=\"font-weight: 400;\">\u0110\u1ec3 s\u1ed5 c\u00e1i c\u00f3 th\u1ec3 ch\u1ee9a c\u00e1c b\u1ea3n c\u1eadp nh\u1eadt, ch\u1ebf \u0111\u1ed9 xem l\u1ecbch s\u1eed ph\u1ea3i c\u00f3 th\u1ec3 m\u1edf r\u1ed9ng theo c\u00e1ch t\u01b0\u01a1ng th\u00edch v\u1edbi quy t\u1eafc l\u1ef1a ch\u1ecdn ng\u00e3 ba. Do \u0111\u00f3, c\u1ea7n c\u00f3 th\u00eam hai thu\u1ed9c t\u00ednh. \u0110\u1ea7u ti\u00ean, khi \u0111\u01b0\u1ee3c \u0111\u00e1nh gi\u00e1 tr\u00ean hai ch\u1ebf \u0111\u1ed9 xem trong \u0111\u00f3 m\u1ed9t ch\u1ebf \u0111\u1ed9 xem n\u00e0y l\u00e0 ph\u1ea7n m\u1edf r\u1ed9ng c\u1ee7a ch\u1ebf \u0111\u1ed9 xem kia, quy t\u1eafc l\u1ef1a ch\u1ecdn r\u1ebd nh\u00e1nh ph\u1ea3i lu\u00f4n \u01b0u ti\u00ean ch\u1ebf \u0111\u1ed9 xem m\u1edf r\u1ed9ng. Th\u1ee9 hai, ph\u1ea7n m\u1edf r\u1ed9ng c\u1ee7a ch\u1ebf \u0111\u1ed9 xem ch\u00ednh t\u1eafc (tr\u01b0\u1edbc \u0111\u00e2y) c\u00f3 nhi\u1ec1u kh\u1ea3 n\u0103ng tr\u1edf th\u00e0nh ch\u00ednh s\u00e1ch h\u01a1n so v\u1edbi ph\u1ea7n m\u1edf r\u1ed9ng c\u1ee7a ch\u1ebf \u0111\u1ed9 xem kh\u00f4ng chu\u1ea9n. N\u00f3i m\u1ed9t c\u00e1ch t\u01b0\u1ee3ng tr\u01b0ng, \u200b\u200bh\u00e3y \u0111\u1ec3 \u201cE\u201d bi\u1ec3u th\u1ecb m\u1ed9t ph\u1ea7n m\u1edf r\u1ed9ng v\u00e0 \u201c\u2016\u201d l\u00e0 ph\u00e9p to\u00e1n \u00e1p d\u1ee5ng n\u00f3. Sau \u0111\u00f3:<\/span><\/p>\n<p><b>U &lt;U\u2016E<br \/>\n<\/b><b>U &lt;V\u21d2Pr [U\u2016E &lt;V\u2016E]&gt; 0,5<\/b><\/p>\n<p><span style=\"font-weight: 400;\">Thu\u1ed9c t\u00ednh cu\u1ed1i c\u00f9ng khuy\u1ebfn kh\u00edch nh\u1eefng ng\u01b0\u1eddi m\u1edf r\u1ed9ng trung th\u1ef1c t\u1eadp trung v\u00e0o vi\u1ec7c m\u1edf r\u1ed9ng c\u00e1c ch\u1ebf \u0111\u1ed9 xem ch\u00ednh t\u1eafc thay v\u00ec c\u00e1c ch\u1ebf \u0111\u1ed9 xem m\u00e0 h\u1ecd bi\u1ebft l\u00e0 kh\u00f4ng ch\u00ednh t\u1eafc. K\u1ebft qu\u1ea3 c\u1ee7a s\u1ef1 khuy\u1ebfn kh\u00edch n\u00e0y, c\u00e1c quan \u0111i\u1ec3m kh\u00e1c bi\u1ec7t v\u1ec1 l\u1ecbch s\u1eed ph\u00e1t sinh t\u1eeb c\u00e1c ph\u1ea7n m\u1edf r\u1ed9ng trung th\u1ef1c nh\u01b0ng m\u00e2u thu\u1eabn \u0111\u1ed3ng th\u1eddi c\u00f3 xu h\u01b0\u1edbng ch\u1ec9 kh\u00e1c nhau v\u1ec1 c\u00e1c m\u1eb9o c\u1ee7a ch\u00fang, khi c\u00f3 li\u00ean quan \u0111\u1ebfn c\u00e1c s\u1ef1 ki\u1ec7n g\u1ea7n \u0111\u00e2y. S\u1ef1 ki\u1ec7n c\u00e0ng \u0111\u01b0\u1ee3c ghi l\u1ea1i c\u00e0ng xa, th\u00ec kh\u1ea3 n\u0103ng n\u00f3 s\u1ebd b\u1ecb \u0111\u1ea3o l\u1ed9n b\u1edfi s\u1ef1 s\u1eafp x\u1ebfp l\u1ea1i \u0111\u01b0\u1ee3c \u00e1p \u0111\u1eb7t b\u1edfi m\u1ed9t quan \u0111i\u1ec3m kh\u00e1c, kinh \u0111i\u1ec3n h\u01a1n, v\u1ec1 l\u1ecbch s\u1eed \u0111\u00e3 kh\u00e1c \u1edf m\u1ed9t th\u1eddi \u0111i\u1ec3m tr\u01b0\u1edbc \u0111\u00f3. T\u1eeb quan \u0111i\u1ec3m n\u00e0y, quan \u0111i\u1ec3m kinh \u0111i\u1ec3n v\u1ec1 l\u1ecbch s\u1eed \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh r\u00f5 r\u00e0ng v\u1ec1 gi\u1edbi h\u1ea1n c\u1ee7a c\u00e1c quan \u0111i\u1ec3m v\u1ec1 l\u1ecbch s\u1eed m\u00e0 m\u1ea1ng l\u01b0\u1edbi h\u1ed9i t\u1ee5.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u0110i\u1ec3m lo\u1ea1i tr\u1eeb r\u00f5 r\u00e0ng trong \u0111o\u1ea1n tr\u01b0\u1edbc l\u00e0 s\u1ef1 c\u1ea7n thi\u1ebft c\u1ee7a nh\u1eefng ng\u01b0\u1eddi m\u1edf r\u1ed9ng ph\u1ea3i c\u01b0 x\u1eed trung th\u1ef1c. \u0110i\u1ec1u g\u00ec v\u1ec1 c\u00e1c b\u1ed9 m\u1edf r\u1ed9ng kh\u00f4ng trung th\u1ef1c? N\u1ebfu \u0111\u1ed1i th\u1ee7 c\u00f3 th\u1ec3 ki\u1ec3m so\u00e1t bi\u1ebfn ng\u1eabu nhi\u00ean ti\u1ec1m \u1ea9n trong bi\u1ec3u th\u1ee9c x\u00e1c su\u1ea5t, th\u00ec anh ta c\u00f3 th\u1ec3 thi\u1ebft k\u1ebf bi\u1ebfn n\u00f3 c\u00f3 l\u1ee3i cho m\u00ecnh v\u00e0 kh\u1edfi \u0111\u1ed9ng c\u00e1c t\u1ed5 ch\u1ee9c l\u1ea1i s\u00e2u v\u1edbi x\u00e1c su\u1ea5t th\u00e0nh c\u00f4ng cao. Ngay c\u1ea3 khi anh ta kh\u00f4ng th\u1ec3 ki\u1ec3m so\u00e1t bi\u1ebfn ng\u1eabu nhi\u00ean, nh\u01b0ng c\u00f3 th\u1ec3 t\u1ea1o ra ph\u1ea7n m\u1edf r\u1ed9ng \u1ee9ng c\u1eed vi\u00ean v\u1edbi gi\u00e1 r\u1ebb, th\u00ec anh ta c\u00f3 th\u1ec3 \u0111\u00e1nh gi\u00e1 quy t\u1eafc l\u1ef1a ch\u1ecdn ng\u00e3 ba c\u1ee5c b\u1ed9 v\u00e0 v\u00f4 th\u1eddi h\u1ea1n cho \u0111\u1ebfn khi anh ta t\u00ecm th\u1ea5y \u0111i\u1ec3m ph\u00e2n k\u1ef3 s\u1edbm c\u00f9ng v\u1edbi ph\u1ea7n m\u1edf r\u1ed9ng x\u1ea3y ra \u0111\u1ec3 t\u1ea1o ra m\u1ed9t quy t\u1eafc chu\u1ea9n h\u01a1n nh\u00e1nh h\u01a1n b\u1ea5t k\u1ef3 nh\u00e1nh n\u00e0o l\u01b0u th\u00f4ng.<\/span><\/p>\n<figure id=\"attachment_17077\" aria-describedby=\"caption-attachment-17077\" style=\"width: 900px\" class=\"wp-caption aligncenter\"><img decoding=\"async\" class=\"wp-image-17077\" src=\"https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/06\/a1-17.jpg\" alt=\"Proof of Work, Proof of Stake, PoS, PoW\" width=\"900\" height=\"506\" srcset=\"https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/06\/a1-17.jpg 2100w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/06\/a1-17-300x169.jpg 300w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/06\/a1-17-1024x576.jpg 1024w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/06\/a1-17-150x84.jpg 150w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/06\/a1-17-768x432.jpg 768w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/06\/a1-17-1536x864.jpg 1536w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/06\/a1-17-2048x1152.jpg 2048w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/06\/a1-17-450x253.jpg 450w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/06\/a1-17-1200x675.jpg 1200w\" sizes=\"(max-width: 900px) 100vw, 900px\" \/><figcaption id=\"caption-attachment-17077\" class=\"wp-caption-text\">Trong m\u1ed9t chu\u1ed7i kh\u1ed1i Proof of Work, vi\u1ec7c t\u1ed5 ch\u1ee9c l\u1ea1i c\u00f3 xu h\u01b0\u1edbng b\u1ecb c\u00f4 l\u1eadp v\u1edbi \u0111\u1ec9nh c\u1ee7a c\u00e2y l\u1ecbch s\u1eed kh\u00f4ng ph\u1ea3i v\u00ec nh\u1eefng ng\u01b0\u1eddi khai th\u00e1c trung th\u1ef1c, m\u00e0 b\u1edfi v\u00ec chi ph\u00ed t\u1ea1o ra c\u00e1c t\u1ed5 ch\u1ee9c l\u1ea1i t\u0103ng theo chi\u1ec1u s\u00e2u c\u1ee7a vi\u1ec7c t\u1ed5 ch\u1ee9c l\u1ea1i.<\/figcaption><\/figure>\n<p><span style=\"font-weight: 400;\">M\u1ea3nh gh\u00e9p c\u00f2n thi\u1ebfu kh\u00f4ng ph\u1ea3i l\u00e0 c\u01a1 ch\u1ebf ng\u0103n ch\u1eb7n c\u00e1c ph\u1ea7n m\u1edf r\u1ed9ng kh\u00f4ng trung th\u1ef1c. Trong m\u1ed9t m\u00f4i tr\u01b0\u1eddng \u0111i\u1ec1u ki\u1ec7n m\u1ea1ng kh\u00f4ng ho\u00e0n h\u1ea3o, kh\u00f4ng th\u1ec3 ph\u00e2n \u0111\u1ecbnh h\u00e0nh vi gian d\u1ed1i. K\u1ebb t\u1ea5n c\u00f4ng lu\u00f4n c\u00f3 th\u1ec3 b\u1ecf qua c\u00e1c tin nh\u1eafn kh\u00f4ng theo \u00fd m\u00ecnh ho\u1eb7c tr\u00ec ho\u00e3n vi\u1ec7c truy\u1ec1n tin c\u1ee7a ch\u00fang v\u00e0 cho r\u1eb1ng l\u1ed7i k\u1ebft n\u1ed1i m\u1ea1ng. Thay v\u00e0o \u0111\u00f3, ph\u1ea7n c\u00f2n thi\u1ebfu c\u1ee7a c\u00e2u \u0111\u1ed1 l\u00e0 m\u1ed9t c\u01a1 ch\u1ebf l\u00e0m cho vi\u1ec7c t\u00e1i t\u1ed5 ch\u1ee9c s\u00e2u s\u1ebd \u0111\u1eaft h\u01a1n so v\u1edbi nh\u1eefng qu\u00e1 tr\u00ecnh n\u00f4ng v\u00e0 \u0111\u1eaft h\u01a1n khi ch\u00fang \u0111i s\u00e2u h\u01a1n.<\/span><\/p>\n<h3><span class=\"ez-toc-section\" id=\"CUMULATIVE_PROOF-OF-WORK\"><\/span><span style=\"font-weight: 400;\">CUMULATIVE PROOF-OF-WORK<\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-weight: 400;\">C\u01a1 ch\u1ebf \u0111\u1ed3ng thu\u1eadn c\u1ee7a Satoshi Nakamoto \u0111\u1ea1t \u0111\u01b0\u1ee3c ch\u00ednh x\u00e1c \u0111i\u1ec1u n\u00e0y. \u0110\u1ec3 \u0111\u1ec1 xu\u1ea5t m\u1ed9t lo\u1ea1t giao d\u1ecbch m\u1edbi (\u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 kh\u1ed1i), v\u00e0 do \u0111\u00f3 m\u1edf r\u1ed9ng m\u1ed9t s\u1ed1 nh\u00e1nh, nh\u1eefng ng\u01b0\u1eddi m\u1edf r\u1ed9ng s\u1ebd l\u00e0 ng\u01b0\u1eddi m\u1edf r\u1ed9ng (\u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 th\u1ee3 \u0111\u00e0o) tr\u01b0\u1edbc ti\u00ean ph\u1ea3i gi\u1ea3i m\u1ed9t c\u00e2u \u0111\u1ed1 t\u00ednh to\u00e1n. C\u00e2u \u0111\u1ed1 n\u00e0y t\u1ed1n k\u00e9m \u0111\u1ec3 gi\u1ea3i nh\u01b0ng d\u1ec5 x\u00e1c minh, v\u00e0 do \u0111\u00f3 \u0111\u01b0\u1ee3c \u0111\u1eb7t t\u00ean l\u00e0 Proof of Work m\u1ed9t c\u00e1ch kh\u00e9o l\u00e9o. Ch\u1ec9 v\u1edbi gi\u1ea3i ph\u00e1p cho c\u00e2u \u0111\u1ed1 n\u00e0y th\u00ec l\u00f4 giao d\u1ecbch m\u1edbi (v\u00e0 l\u1ecbch s\u1eed m\u00e0 n\u00f3 cam k\u1ebft) m\u1edbi l\u00e0 \u1ee9ng c\u1eed vi\u00ean h\u1ee3p l\u1ec7 cho quy t\u1eafc. C\u00e2u \u0111\u1ed1 \u0111i k\u00e8m v\u1edbi m\u1ed9t n\u00fam xoay \u0111\u1ec3 \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 kh\u00f3, s\u1ebd t\u1ef1 \u0111\u1ed9ng xoay \u0111\u1ec3 \u0111i\u1ec1u ch\u1ec9nh th\u1eddi gian d\u1ef1 ki\u1ebfn tr\u01b0\u1edbc khi t\u00ecm ra gi\u1ea3i ph\u00e1p m\u1edbi, b\u1ea5t k\u1ec3 s\u1ed1 l\u01b0\u1ee3ng ng\u01b0\u1eddi tham gia ho\u1eb7c ngu\u1ed3n l\u1ef1c m\u00e0 h\u1ecd d\u00e0nh cho v\u1ea5n \u0111\u1ec1. N\u00fam v\u1eb7n n\u00e0y c\u00f3 ch\u1ee9c n\u0103ng ph\u1ee5 l\u00e0 m\u1ed9t ch\u1ec9 b\u00e1o kh\u00f4ng thi\u00ean v\u1ecb v\u1ec1 n\u1ed7 l\u1ef1c gi\u1ea3i c\u00e2u \u0111\u1ed1 trong m\u1ed9t \u0111\u01a1n v\u1ecb \u0111o \u0111\u1ed9 kh\u00f3.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Qu\u00e1 tr\u00ecnh n\u00e0y \u0111\u01b0\u1ee3c m\u1edf cho b\u1ea5t k\u1ef3 ai tham gia. Y\u1ebfu t\u1ed1 gi\u1edbi h\u1ea1n kh\u00f4ng ph\u1ea3i l\u00e0 quy\u1ec1n h\u1ea1n ho\u1eb7c y\u00eau c\u1ea7u v\u1ec1 v\u1eadt li\u1ec7u ho\u1eb7c ph\u1ea7n c\u1ee9ng c\u1ee7a kh\u00f3a m\u1eadt m\u00e3, m\u00e0 y\u1ebfu t\u1ed1 gi\u1edbi h\u1ea1n l\u00e0 t\u00e0i nguy\u00ean m\u00e0 m\u1ed9t ng\u01b0\u1eddi s\u1eb5n s\u00e0ng s\u1eed d\u1ee5ng \u0111\u1ec3 c\u00f3 c\u01a1 h\u1ed9i t\u00ecm th\u1ea5y m\u1ed9t kh\u1ed1i h\u1ee3p l\u1ec7. B\u1ea3n ch\u1ea5t song song v\u00e0 x\u00e1c su\u1ea5t c\u1ee7a c\u00e2u \u0111\u1ed1 th\u01b0\u1edfng cho ng\u01b0\u1eddi khai th\u00e1c ti\u1ebft ki\u1ec7m chi ph\u00ed t\u1ed1i \u0111a h\u00f3a s\u1ed1 l\u1ea7n t\u00ednh to\u00e1n tr\u00ean m\u1ed7i jun, ngay c\u1ea3 v\u1edbi chi ph\u00ed th\u1ea5p h\u01a1n s\u1ed1 l\u1ea7n t\u00ednh to\u00e1n m\u1ed7i gi\u00e2y.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">V\u1edbi tham s\u1ed1 \u0111\u1ed9 kh\u00f3 m\u1ee5c ti\u00eau (n\u00fam) cho m\u1ecdi kh\u1ed1i, c\u00f3 th\u1ec3 d\u1ec5 d\u00e0ng t\u00ednh to\u00e1n \u01b0\u1edbc t\u00ednh kh\u00f4ng thi\u00ean v\u1ecb v\u1ec1 t\u1ed5ng kh\u1ed1i l\u01b0\u1ee3ng c\u00f4ng vi\u1ec7c m\u00e0 m\u1ed9t nh\u00e1nh l\u1ecbch s\u1eed nh\u1ea5t \u0111\u1ecbnh \u0111\u1ea1i di\u1ec7n. Quy t\u1eafc <a href=\"https:\/\/www.fiahub.com\/blog\/tag\/proof-of-work-la-gi\/\">Proof of Work<\/a>, fork-choice \u1ee7ng h\u1ed9 nh\u00e1nh c\u00f3 con s\u1ed1 n\u00e0y l\u1edbn h\u01a1n.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">C\u00e1c th\u1ee3 m\u1ecf ch\u1ea1y \u0111ua v\u1edbi nhau \u0111\u1ec3 t\u00ecm ra kh\u1ed1i ti\u1ebfp theo. Ng\u01b0\u1eddi khai th\u00e1c \u0111\u1ea7u ti\u00ean t\u00ecm th\u1ea5y n\u00f3 v\u00e0 nh\u00e2n gi\u1ed1ng th\u00e0nh c\u00f4ng s\u1ebd chi\u1ebfn th\u1eafng. Gi\u1ea3 s\u1eed r\u1eb1ng c\u00e1c th\u1ee3 \u0111\u00e0o kh\u00f4ng ng\u1ed3i tr\u00ean c\u00e1c kh\u1ed1i m\u1edbi h\u1ee3p l\u1ec7 nh\u01b0ng ch\u01b0a \u0111\u01b0\u1ee3c g\u1eafn th\u1ebb, khi h\u1ecd nh\u1eadn \u0111\u01b0\u1ee3c m\u1ed9t kh\u1ed1i m\u1edbi t\u1eeb c\u00e1c th\u1ee3 khai th\u00e1c c\u1ea1nh tranh, h\u1ecd ch\u1ea5p nh\u1eadn n\u00f3 l\u00e0m ng\u01b0\u1eddi \u0111\u1ee9ng \u0111\u1ea7u m\u1edbi c\u1ee7a nh\u00e1nh l\u1ecbch s\u1eed chu\u1ea9n v\u00ec kh\u00f4ng l\u00e0m nh\u01b0 v\u1eady s\u1ebd khi\u1ebfn h\u1ecd g\u1eb7p b\u1ea5t l\u1ee3i. Vi\u1ec7c x\u00e2y d\u1ef1ng tr\u00ean \u0111\u1ea7u m\u1ed9t kh\u1ed1i \u0111\u01b0\u1ee3c cho l\u00e0 c\u0169 l\u00e0 kh\u00f4ng h\u1ee3p l\u00fd v\u00ec ng\u01b0\u1eddi khai th\u00e1c ph\u1ea3i b\u1eaft k\u1ecbp v\u1edbi ph\u1ea7n c\u00f2n l\u1ea1i c\u1ee7a m\u1ea1ng v\u00e0 t\u00ecm hai kh\u1ed1i m\u1edbi \u0111\u1ec3 th\u00e0nh c\u00f4ng &#8211; m\u1ed9t nhi\u1ec7m v\u1ee5 trung b\u00ecnh kh\u00f3 g\u1ea5p \u0111\u00f4i chuy\u1ec3n sang nh\u00e1nh m\u1edbi d\u00e0i h\u01a1n v\u00e0 m\u1edf r\u1ed9ng nh\u00e1nh \u0111\u00f3. Trong m\u1ed9t chu\u1ed7i kh\u1ed1i Proof of Work, vi\u1ec7c t\u1ed5 ch\u1ee9c l\u1ea1i c\u00f3 xu h\u01b0\u1edbng b\u1ecb c\u00f4 l\u1eadp v\u1edbi \u0111\u1ec9nh c\u1ee7a c\u00e2y l\u1ecbch s\u1eed kh\u00f4ng ph\u1ea3i v\u00ec nh\u1eefng ng\u01b0\u1eddi khai th\u00e1c trung th\u1ef1c, m\u00e0 b\u1edfi v\u00ec chi ph\u00ed t\u1ea1o ra c\u00e1c t\u1ed5 ch\u1ee9c l\u1ea1i t\u0103ng theo chi\u1ec1u s\u00e2u c\u1ee7a vi\u1ec7c t\u1ed5 ch\u1ee9c l\u1ea1i. Tr\u01b0\u1eddng h\u1ee3p c\u1ee5 th\u1ec3: theo c\u00e2u tr\u1ea3 l\u1eddi trao \u0111\u1ed5i ng\u0103n x\u1ebfp n\u00e0y, kh\u00f4ng bao g\u1ed3m c\u00e1c fork sau c\u00e1c b\u1ea3n c\u1eadp nh\u1eadt ph\u1ea7n m\u1ec1m, fork d\u00e0i nh\u1ea5t tr\u00ean chu\u1ed7i kh\u1ed1i Bitcoin c\u00f3 \u0111\u1ed9 d\u00e0i 4, ho\u1eb7c 0,0023% chi\u1ec1u cao kh\u1ed1i v\u00e0o th\u1eddi \u0111i\u1ec3m \u0111\u00f3.<\/span><\/p>\n<h3><span style=\"font-weight: 400;\">&#8220;GI\u1ea2I PH\u00c1P&#8221; C\u1ee6A PROOF-OF-STAKE<\/span><\/h3>\n<p><span style=\"font-weight: 400;\">Proof of Stake l\u00e0 m\u1ed9t gi\u1ea3i ph\u00e1p thay th\u1ebf \u0111\u01b0\u1ee3c \u0111\u1ec1 xu\u1ea5t cho Proof of Work, trong \u0111\u00f3 c\u00e1i nh\u00ecn \u0111\u00fang \u0111\u1eafn v\u1ec1 l\u1ecbch s\u1eed kh\u00f4ng \u0111\u01b0\u1ee3c \u0111\u1ecbnh ngh\u0129a v\u1ec1 kh\u1ed1i l\u01b0\u1ee3ng c\u00f4ng vi\u1ec7c l\u1edbn nh\u1ea5t d\u00e0nh cho vi\u1ec7c gi\u1ea3i c\u00e1c c\u00e2u \u0111\u1ed1 m\u1eadt m\u00e3, m\u00e0 \u0111\u01b0\u1ee3c \u0111\u1ecbnh ngh\u0129a v\u1ec1 c\u00e1c kh\u00f3a c\u00f4ng khai \u0111\u1eb7c bi\u1ec7t. c\u00e1c n\u00fat \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 tr\u00ecnh x\u00e1c nh\u1eadn. C\u1ee5 th\u1ec3, tr\u00ecnh x\u00e1c th\u1ef1c k\u00fd c\u00e1c kh\u1ed1i m\u1edbi. M\u1ed9t n\u00fat tham gia x\u00e1c minh ch\u1ebf \u0111\u1ed9 xem ch\u00ednh x\u00e1c c\u1ee7a l\u1ecbch s\u1eed b\u1eb1ng c\u00e1ch x\u00e1c minh c\u00e1c ch\u1eef k\u00fd tr\u00ean c\u00e1c kh\u1ed1i c\u1ea5u th\u00e0nh.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">N\u00fat kh\u00f4ng c\u00f3 ph\u01b0\u01a1ng ti\u1ec7n \u0111\u1ec3 ph\u00e2n bi\u1ec7t c\u00e1c ch\u1ebf \u0111\u1ed9 xem l\u1ecbch s\u1eed h\u1ee3p l\u1ec7 v\u1edbi c\u00e1c ch\u1ebf \u0111\u1ed9 xem kh\u00f4ng h\u1ee3p l\u1ec7. V\u1ea5n \u0111\u1ec1 l\u00e0 m\u1ed9t kh\u1ed1i c\u1ea1nh tranh ch\u1ec9 l\u00e0 m\u1ed9t \u0111\u1ed1i th\u1ee7 n\u1eb7ng k\u00fd cho c\u00e1i nh\u00ecn \u0111\u00fang \u0111\u1eafn v\u1ec1 l\u1ecbch s\u1eed n\u1ebfu kh\u1ed1i \u0111\u00f3 c\u00f3 m\u1ed9t ch\u1eef k\u00fd \u1ee7ng h\u1ed9 (ho\u1eb7c nhi\u1ec1u ch\u1eef k\u00fd \u1ee7ng h\u1ed9). Ng\u01b0\u1eddi x\u00e1c nh\u1eadn kh\u00f4ng c\u00f3 kh\u1ea3 n\u0103ng k\u00fd c\u00e1c kh\u1ed1i thay th\u1ebf v\u00ec ch\u1eef k\u00fd \u0111\u00f3 s\u1ebd ch\u1ee9ng minh h\u00e0nh vi \u0111\u1ed9c h\u1ea1i c\u1ee7a h\u1ecd v\u00e0 d\u1eabn \u0111\u1ebfn vi\u1ec7c m\u1ea5t c\u1ed5 ph\u1ea7n c\u1ee7a h\u1ecd.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Qu\u00e1 tr\u00ecnh n\u00e0y \u0111\u01b0\u1ee3c m\u1edf cho c\u00f4ng ch\u00fang. B\u1ea5t k\u1ef3 ai c\u0169ng c\u00f3 th\u1ec3 tr\u1edf th\u00e0nh ng\u01b0\u1eddi x\u00e1c th\u1ef1c b\u1eb1ng c\u00e1ch \u0111\u1eb7t m\u1ed9t l\u01b0\u1ee3ng ti\u1ec1n \u0111i\u1ec7n t\u1eed nh\u1ea5t \u0111\u1ecbnh v\u00e0o m\u1ed9t t\u00e0i kho\u1ea3n k\u00fd qu\u1ef9 \u0111\u1eb7c bi\u1ec7t. S\u1ed1 ti\u1ec1n k\u00fd qu\u1ef9 n\u00e0y l\u00e0 &#8220;ti\u1ec1n \u0111\u1eb7t c\u1ecdc&#8221; s\u1ebd b\u1ecb c\u1eaft n\u1ebfu tr\u00ecnh x\u00e1c nh\u1eadn ho\u1ea1t \u0111\u1ed9ng sai. C\u00e1c n\u00fat x\u00e1c minh r\u1eb1ng c\u00e1c ch\u1eef k\u00fd tr\u00ean c\u00e1c kh\u1ed1i m\u1edbi kh\u1edbp v\u1edbi c\u00e1c kh\u00f3a c\u00f4ng khai \u0111\u01b0\u1ee3c cung c\u1ea5p b\u1edfi tr\u00ecnh x\u00e1c th\u1ef1c khi h\u1ecd \u0111\u1eb7t c\u1ed5 ph\u1ea7n c\u1ee7a m\u00ecnh v\u00e0o k\u00fd qu\u1ef9.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">V\u1ec1 m\u1eb7t h\u00ecnh th\u1ee9c, trong c\u00e1c blockchain Proof of Stake, \u0111\u1ecbnh ngh\u0129a v\u1ec1 c\u00e1i nh\u00ecn \u0111\u00fang \u0111\u1eafn v\u1ec1 l\u1ecbch s\u1eed l\u00e0 ho\u00e0n to\u00e0n \u0111\u1ec7 quy. C\u00e1c kh\u1ed1i m\u1edbi ch\u1ec9 h\u1ee3p l\u1ec7 n\u1ebfu ch\u00fang ch\u1ee9a \u0111\u00fang ch\u1eef k\u00fd. C\u00e1c ch\u1eef k\u00fd c\u00f3 gi\u00e1 tr\u1ecb \u0111\u1ed1i v\u1edbi c\u00e1c kh\u00f3a c\u00f4ng khai c\u1ee7a ng\u01b0\u1eddi x\u00e1c nh\u1eadn. C\u00e1c kh\u00f3a c\u00f4ng khai n\u00e0y \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh b\u1edfi c\u00e1c kh\u1ed1i c\u0169. Quy t\u1eafc l\u1ef1a ch\u1ecdn r\u1ebd nh\u00e1nh kh\u00f4ng \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh cho c\u00e1c quan \u0111i\u1ec3m c\u1ea1nh tranh v\u1ec1 l\u1ecbch s\u1eed, mi\u1ec5n l\u00e0 c\u1ea3 hai quan \u0111i\u1ec3m \u0111\u1ec1u t\u1ef1 nh\u1ea5t qu\u00e1n.<\/span><\/p>\n<figure id=\"attachment_17078\" aria-describedby=\"caption-attachment-17078\" style=\"width: 900px\" class=\"wp-caption aligncenter\"><img decoding=\"async\" class=\"wp-image-17078\" src=\"https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/06\/a1-18.jpg\" alt=\"Proof of stake, PoS, Proof of Work, PoW\" width=\"900\" height=\"600\" srcset=\"https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/06\/a1-18.jpg 1080w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/06\/a1-18-300x200.jpg 300w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/06\/a1-18-1024x683.jpg 1024w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/06\/a1-18-150x100.jpg 150w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/06\/a1-18-768x512.jpg 768w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/06\/a1-18-450x300.jpg 450w\" sizes=\"(max-width: 900px) 100vw, 900px\" \/><figcaption id=\"caption-attachment-17078\" class=\"wp-caption-text\">V\u1ec1 m\u1eb7t h\u00ecnh th\u1ee9c, trong c\u00e1c blockchain Proof of Stake, \u0111\u1ecbnh ngh\u0129a v\u1ec1 c\u00e1i nh\u00ecn \u0111\u00fang \u0111\u1eafn v\u1ec1 l\u1ecbch s\u1eed l\u00e0 ho\u00e0n to\u00e0n \u0111\u1ec7 quy.<\/figcaption><\/figure>\n<p><span style=\"font-weight: 400;\">Ng\u01b0\u1ee3c l\u1ea1i, quan \u0111i\u1ec3m ch\u00ednh x\u00e1c v\u1ec1 l\u1ecbch s\u1eed trong c\u00e1c blockchains b\u1eb1ng ch\u1ee9ng c\u00f4ng vi\u1ec7c c\u0169ng \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh m\u1ed9t c\u00e1ch \u0111\u1ec7 quy, nh\u01b0ng kh\u00f4ng lo\u1ea1i tr\u1eeb c\u00e1c \u0111\u1ea7u v\u00e0o b\u00ean ngo\u00e0i. C\u1ee5 th\u1ec3, quy t\u1eafc l\u1ef1a ch\u1ecdn r\u1ebd nh\u00e1nh trong Proof of Work c\u0169ng d\u1ef1a v\u00e0o t\u00ednh ng\u1eabu nhi\u00ean m\u00e0 t\u00ednh kh\u00f4ng kh\u1ea3 thi c\u00f3 th\u1ec3 ki\u1ec3m ch\u1ee9ng m\u1ed9t c\u00e1ch kh\u00e1ch quan.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u0110\u1ea7u v\u00e0o b\u00ean ngo\u00e0i n\u00e0y l\u00e0 \u0111i\u1ec3m kh\u00e1c bi\u1ec7t ch\u00ednh. Trong <a href=\"https:\/\/www.fiahub.com\/blog\/tag\/proof-of-work-la-gi\/\">Proof of Work<\/a>, quy t\u1eafc l\u1ef1a ch\u1ecdn r\u1ebd nh\u00e1nh \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh cho b\u1ea5t k\u1ef3 c\u1eb7p quan \u0111i\u1ec3m c\u1ea1nh tranh kh\u00e1c nhau n\u00e0o v\u1ec1 l\u1ecbch s\u1eed, \u0111\u00f3 l\u00e0 l\u00fd do t\u1ea1i sao c\u00f3 th\u1ec3 n\u00f3i v\u1ec1 quy t\u1eafc ngay t\u1eeb \u0111\u1ea7u. Trong Proof of Stake ch\u1ec9 c\u00f3 th\u1ec3 x\u00e1c \u0111\u1ecbnh t\u00ednh \u0111\u00fang \u0111\u1eafn li\u00ean quan \u0111\u1ebfn l\u1ecbch s\u1eed tr\u01b0\u1edbc \u0111\u00f3.<\/span><\/p>\n<h3><span class=\"ez-toc-section\" id=\"PROOF-OF-STAKE_LA_KHONG_THE_CHUA_DUOC\"><\/span><span style=\"font-weight: 400;\">PROOF-OF-STAKE L\u00c0 KH\u00d4NG TH\u1ec2 CH\u1ee8A \u0110\u01af\u1ee2C<\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-weight: 400;\">N\u00f3 c\u00f3 quan tr\u1ecdng m\u1eb7c d\u00f9? V\u1ec1 l\u00fd thuy\u1ebft, \u0111\u1ec3 t\u1ea1o ra hai quan \u0111i\u1ec3m nh\u1ea5t qu\u00e1n nh\u01b0ng kh\u00f4ng t\u01b0\u01a1ng th\u00edch l\u1eabn nhau v\u1ec1 l\u1ecbch s\u1eed, th\u00ec \u1edf \u0111\u00e2u \u0111\u00f3 ai \u0111\u00f3 ph\u1ea3i kh\u00f4ng trung th\u1ef1c, v\u00e0 n\u1ebfu h\u1ecd h\u00e0nh x\u1eed kh\u00f4ng trung th\u1ef1c, c\u00f3 th\u1ec3 t\u00ecm ra n\u01a1i, ch\u1ee9ng minh \u0111i\u1ec1u \u0111\u00f3 v\u00e0 c\u1eaft c\u1ed5 ph\u1ea7n c\u1ee7a h\u1ecd. V\u00ec tr\u00ecnh x\u00e1c th\u1ef1c \u0111\u01b0\u1ee3c \u0111\u1eb7t t\u1ea1i \u0111i\u1ec3m ph\u00e2n k\u1ef3 \u0111\u1ea7u ti\u00ean \u0111\u00f3 kh\u00f4ng c\u00f3 tranh ch\u1ea5p, n\u00ean c\u00f3 th\u1ec3 kh\u00f4i ph\u1ee5c t\u1eeb \u0111\u00f3.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">V\u1ea5n \u0111\u1ec1 v\u1edbi l\u1eadp lu\u1eadn n\u00e0y l\u00e0 n\u00f3 kh\u00f4ng c\u1ea7n t\u00ednh \u0111\u1ebfn th\u1eddi gian. N\u1ebfu m\u1ed9t tr\u00ecnh x\u00e1c th\u1ef1c t\u1eeb m\u01b0\u1eddi n\u0103m tr\u01b0\u1edbc k\u00fd hi\u1ec7u k\u00e9p c\u00e1c kh\u1ed1i m\u00e2u thu\u1eabn l\u1eabn nhau &#8211; t\u1ee9c l\u00e0 xu\u1ea5t b\u1ea3n m\u1ed9t \u0111\u1ed1i t\u00e1c m\u00e2u thu\u1eabn m\u1edbi \u0111\u01b0\u1ee3c k\u00fd v\u1edbi kh\u1ed1i \u0111\u00e3 \u0111\u01b0\u1ee3c x\u00e1c nh\u1eadn m\u01b0\u1eddi n\u0103m tr\u01b0\u1edbc &#8211; th\u00ec l\u1ecbch s\u1eed s\u1ebd c\u1ea7n \u0111\u01b0\u1ee3c vi\u1ebft l\u1ea1i t\u1eeb th\u1eddi \u0111i\u1ec3m \u0111\u00f3 tr\u1edf \u0111i. C\u1ed5 ph\u1ea7n c\u1ee7a tr\u00ecnh x\u00e1c th\u1ef1c \u0111\u1ed9c h\u1ea1i \u0111\u00e3 b\u1ecb c\u1eaft. C\u00e1c giao d\u1ecbch s\u1eed d\u1ee5ng ph\u1ea7n th\u01b0\u1edfng \u0111\u1eb7t c\u01b0\u1ee3c hi\u1ec7n kh\u00f4ng h\u1ee3p l\u1ec7, c\u0169ng nh\u01b0 c\u00e1c giao d\u1ecbch ti\u1ebfp theo t\u1eeb \u0111\u00f3. N\u1ebfu c\u00f3 \u0111\u1ee7 th\u1eddi gian, ph\u1ea7n th\u01b0\u1edfng c\u1ee7a tr\u00ecnh x\u00e1c th\u1ef1c c\u00f3 th\u1ec3 th\u1ea5m v\u00e0o m\u1ed9t ph\u1ea7n l\u1edbn c\u1ee7a n\u1ec1n kinh t\u1ebf blockchain. Ng\u01b0\u1eddi nh\u1eadn ti\u1ec1n kh\u00f4ng th\u1ec3 ch\u1eafc ch\u1eafn r\u1eb1ng t\u1ea5t c\u1ea3 c\u00e1c ph\u1ee5 thu\u1ed9c s\u1ebd v\u1eabn c\u00f3 gi\u00e1 tr\u1ecb trong t\u01b0\u01a1ng lai. Kh\u00f4ng c\u00f3 g\u00ec l\u00e0 cu\u1ed1i c\u00f9ng b\u1edfi v\u00ec vi\u1ec7c t\u1ed5 ch\u1ee9c l\u1ea1i qu\u00e1 kh\u1ee9 xa kh\u00f4ng kh\u00f3 h\u01a1n ho\u1eb7c t\u1ed1n k\u00e9m h\u01a1n qu\u00e1 kh\u1ee9 g\u1ea7n.<\/span><\/p>\n<h3><span class=\"ez-toc-section\" id=\"PROOF_OF_STAKE_LA_DOI_TUONG\"><\/span><span style=\"font-weight: 400;\">PROOF OF STAKE L\u00c0 \u0110\u1ed0I T\u01af\u1ee2NG<\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-weight: 400;\">C\u00e1ch duy nh\u1ea5t \u0111\u1ec3 gi\u1ea3i quy\u1ebft v\u1ea5n \u0111\u1ec1 n\u00e0y l\u00e0 h\u1ea1n ch\u1ebf \u0111\u1ed9 s\u00e2u m\u00e0 c\u00e1c t\u1ed5 ch\u1ee9c l\u1ea1i \u0111\u01b0\u1ee3c th\u1eeba nh\u1eadn. C\u00e1c quan \u0111i\u1ec3m m\u00e2u thu\u1eabn v\u1ec1 l\u1ecbch s\u1eed c\u00f3 \u0111i\u1ec3m ph\u00e2n k\u1ef3 \u0111\u1ea7u ti\u00ean c\u0169 h\u01a1n m\u1ed9t ng\u01b0\u1ee1ng tu\u1ed5i nh\u1ea5t \u0111\u1ecbnh s\u1ebd b\u1ecb b\u1ecf qua. C\u00e1c n\u00fat \u0111\u01b0\u1ee3c tr\u00ecnh b\u00e0y v\u1edbi m\u1ed9t ch\u1ebf \u0111\u1ed9 xem kh\u00e1c c\u00f3 \u0111i\u1ec3m ph\u00e2n k\u1ef3 \u0111\u1ea7u ti\u00ean c\u0169 h\u01a1n, h\u00e3y lo\u1ea1i b\u1ecf n\u00f3 m\u00e0 kh\u00f4ng c\u1ea7n ki\u1ec3m tra xem c\u00f3 \u0111\u00fang kh\u00f4ng. Mi\u1ec5n l\u00e0 m\u1ed9t s\u1ed1 n\u00fat c\u00f2n ho\u1ea1t \u0111\u1ed9ng t\u1ea1i b\u1ea5t k\u1ef3 th\u1eddi \u0111i\u1ec3m n\u00e0o th\u00ec t\u00ednh li\u00ean t\u1ee5c \u0111\u01b0\u1ee3c \u0111\u1ea3m b\u1ea3o. Ch\u1ec9 c\u00f3 m\u1ed9t c\u00e1ch blockchain c\u00f3 th\u1ec3 ph\u00e1t tri\u1ec3n n\u1ebfu vi\u1ec7c t\u1ed5 ch\u1ee9c l\u1ea1i qu\u00e1 s\u00e2u b\u1ecb c\u1ea5m.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Gi\u1ea3i ph\u00e1p n\u00e0y l\u00e0m cho Proof of Stake tr\u1edf th\u00e0nh m\u1ed9t c\u01a1 ch\u1ebf \u0111\u1ed3ng thu\u1eadn ch\u1ee7 quan. C\u00e2u tr\u1ea3 l\u1eddi cho c\u00e2u h\u1ecfi &#8220;tr\u1ea1ng th\u00e1i hi\u1ec7n t\u1ea1i c\u1ee7a blockchain l\u00e0 g\u00ec?&#8221; Ph\u1ee5 thu\u1ed9c v\u00e0o ng\u01b0\u1eddi m\u00e0 b\u1ea1n y\u00eau c\u1ea7u. N\u00f3 kh\u00f4ng th\u1ec3 ki\u1ec3m ch\u1ee9ng m\u1ed9t c\u00e1ch kh\u00e1ch quan. K\u1ebb t\u1ea5n c\u00f4ng c\u00f3 th\u1ec3 t\u1ea1o ra m\u1ed9t quan \u0111i\u1ec3m thay th\u1ebf v\u1ec1 l\u1ecbch s\u1eed c\u0169ng t\u1ef1 nh\u1ea5t qu\u00e1n nh\u01b0 ch\u00ednh x\u00e1c. C\u00e1ch duy nh\u1ea5t m\u1ed9t n\u00fat c\u00f3 th\u1ec3 bi\u1ebft ch\u1ebf \u0111\u1ed9 xem n\u00e0o l\u00e0 ch\u00ednh x\u00e1c l\u00e0 ch\u1ecdn m\u1ed9t t\u1eadp h\u1ee3p c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng ngang h\u00e0ng v\u00e0 nghe theo l\u1eddi c\u1ee7a h\u1ecd.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">C\u00f3 th\u1ec3 l\u1eadp lu\u1eadn r\u1eb1ng cu\u1ed9c t\u1ea5n c\u00f4ng gi\u1ea3 \u0111\u1ecbnh n\u00e0y kh\u00f4ng ph\u00f9 h\u1ee3p n\u1ebfu chi ph\u00ed \u0111\u1ec3 t\u1ea1o ra quan \u0111i\u1ec3m thay th\u1ebf n\u00e0y v\u1ec1 l\u1ecbch s\u1eed l\u00e0 qu\u00e1 l\u1edbn. M\u1eb7c d\u00f9 l\u1eadp lu\u1eadn ph\u00e2n c\u1ea5p \u0111\u00f3 c\u00f3 th\u1ec3 \u0111\u00fang, nh\u01b0ng chi ph\u00ed l\u00e0 m\u1ed9t s\u1ed1 li\u1ec7u kh\u00e1ch quan v\u00e0 do \u0111\u00f3, li\u1ec7u n\u00f3 c\u00f3 \u0111\u00fang hay kh\u00f4ng ph\u1ee5 thu\u1ed9c v\u00e0o c\u00e1c y\u1ebfu t\u1ed1 b\u00ean ngo\u00e0i kh\u00f4ng \u0111\u01b0\u1ee3c \u0111\u1ea1i di\u1ec7n tr\u00ean blockchain. V\u00ed d\u1ee5: k\u1ebb t\u1ea5n c\u00f4ng c\u00f3 th\u1ec3 m\u1ea5t t\u1ea5t c\u1ea3 c\u1ed5 ph\u1ea7n c\u1ee7a m\u00ecnh trong m\u1ed9t ch\u1ebf \u0111\u1ed9 xem l\u1ecbch s\u1eed, nh\u01b0ng kh\u00f4ng quan t\u00e2m v\u00ec anh ta c\u00f3 th\u1ec3 \u0111\u1ea3m b\u1ea3o th\u00f4ng qua c\u00e1c ph\u01b0\u01a1ng ti\u1ec7n ph\u00e1p l\u00fd ho\u1eb7c x\u00e3 h\u1ed9i r\u1eb1ng ch\u1ebf \u0111\u1ed9 xem thay th\u1ebf s\u1ebd \u0111\u01b0\u1ee3c ch\u1ea5p nh\u1eadn. B\u1ea5t k\u1ef3 ph\u00e2n t\u00edch b\u1ea3o m\u1eadt ho\u1eb7c t\u00ednh to\u00e1n chi ph\u00ed t\u1ea5n c\u00f4ng n\u00e0o t\u1eadp trung v\u00e0o nh\u1eefng g\u00ec x\u1ea3y ra tr\u00ean \u201cchu\u1ed7i kh\u1ed1i\u201d v\u00e0 kh\u00f4ng t\u00ednh \u0111\u1ebfn th\u1ebf gi\u1edbi kh\u00e1ch quan m\u00e0 n\u00f3 \u0111ang s\u1ed1ng, v\u1ec1 c\u01a1 b\u1ea3n l\u00e0 thi\u1ebfu s\u00f3t.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">N\u1ed9i t\u1ea1i c\u1ee7a m\u1ed9t lo\u1ea1i ti\u1ec1n \u0111i\u1ec7n t\u1eed b\u1eb1ng ch\u1ee9ng c\u1ed5 ph\u1ea7n l\u00e0 kh\u00f4ng ch\u1ec9 chi ph\u00ed l\u00e0 ch\u1ee7 quan, m\u00e0 ph\u1ea7n th\u01b0\u1edfng c\u0169ng v\u1eady. T\u1ea1i sao k\u1ebb t\u1ea5n c\u00f4ng l\u1ea1i tri\u1ec3n khai cu\u1ed9c t\u1ea5n c\u00f4ng c\u1ee7a m\u00ecnh n\u1ebfu k\u1ebft qu\u1ea3 cu\u1ed1i c\u00f9ng kh\u00f4ng ph\u1ea3i l\u00e0 kho\u1ea3n thanh to\u00e1n \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh m\u1ed9t c\u00e1ch m\u00e1y m\u00f3c b\u1edfi s\u1ef1 kh\u00e9o l\u00e9o c\u1ee7a anh ta, m\u00e0 l\u00e0 m\u1ed9t ch\u01b0\u01a1ng tr\u00ecnh ph\u00e1t s\u00f3ng t\u1eeb nh\u00f3m c\u00e1c nh\u00e0 ph\u00e1t tri\u1ec3n ch\u00ednh th\u1ee9c c\u1ee7a ti\u1ec1n \u0111i\u1ec7n t\u1eed gi\u1ea3i th\u00edch l\u00fd do t\u1ea1i sao h\u1ecd l\u1ea1i ch\u1ecdn c\u00f3 l\u1ee3i cho nh\u00e1nh kh\u00e1c? C\u00f3 th\u1ec3 c\u00f3 c\u00e1c kho\u1ea3n thanh to\u00e1n b\u00ean ngo\u00e0i &#8211; v\u00ed d\u1ee5: t\u1eeb c\u00e1c l\u1ef1a ch\u1ecdn t\u00e0i ch\u00ednh mong \u0111\u1ee3i gi\u00e1 gi\u1ea3m ho\u1eb7c t\u1eeb ni\u1ec1m vui tuy\u1ec7t \u0111\u1ed1i g\u00e2y ra t\u00ecnh tr\u1ea1ng h\u1ed7n lo\u1ea1n &#8211; nh\u01b0ng \u0111i\u1ec3m m\u1ea5u ch\u1ed1t l\u00e0 kh\u1ea3 n\u0103ng th\u1ea5p c\u1ee7a c\u00e1c kho\u1ea3n thanh to\u00e1n n\u1ed9i b\u1ed9 l\u00e0m suy y\u1ebfu l\u1eadp lu\u1eadn r\u1eb1ng v\u1ed1n h\u00f3a th\u1ecb tr\u01b0\u1eddng c\u1ee7a b\u1eb1ng ch\u1ee9ng hi\u1ec7n t\u1ea1i- ti\u1ec1n \u0111i\u1ec7n t\u1eed c\u1ed5 ph\u1ea7n t\u1ea1o th\u00e0nh m\u1ed9t kho\u1ea3n ti\u1ec1n th\u01b0\u1edfng t\u1ea5n c\u00f4ng hi\u1ec7u qu\u1ea3.<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"TIEN_VA_MUC_TIEU\"><\/span><span style=\"font-weight: 400;\">TI\u1ec0N V\u00c0 M\u1ee4C TI\u00caU<\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">V\u1ec1 b\u1ea3n ch\u1ea5t, ti\u1ec1n l\u00e0 v\u1eadt \u0111\u1ec3 thanh to\u00e1n m\u1ed9t kho\u1ea3n n\u1ee3. \u0110\u1ec3 gi\u1ea3i quy\u1ebft n\u1ee3 m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3 \u0111\u00f2i h\u1ecfi s\u1ef1 \u0111\u1ed3ng thu\u1eadn gi\u1eefa c\u00e1c b\u00ean tham gia s\u00e0n giao d\u1ecbch &#8211; c\u1ee5 th\u1ec3 l\u00e0 ti\u1ec1n t\u1ec7 v\u00e0 s\u1ed1 l\u01b0\u1ee3ng ti\u1ec1n. M\u1ed9t tranh ch\u1ea5p s\u1ebd d\u1eabn \u0111\u1ebfn vi\u1ec7c duy tr\u00ec c\u00e1c khi\u1ebfu n\u1ea1i c\u00f2n t\u1ed3n \u0111\u1ecdng v\u00e0 t\u1eeb ch\u1ed1i th\u1ef1c hi\u1ec7n ho\u1ea1t \u0111\u1ed9ng kinh doanh l\u1eb7p l\u1ea1i theo c\u00e1c \u0111i\u1ec1u kho\u1ea3n b\u00ecnh \u0111\u1eb3ng ho\u1eb7c t\u01b0\u01a1ng t\u1ef1.<\/span><\/p>\n<figure id=\"attachment_17079\" aria-describedby=\"caption-attachment-17079\" style=\"width: 900px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-17079\" src=\"https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/06\/a1-8.png\" alt=\"Proof of Stake, PoS, Proof of Work, PoW\" width=\"900\" height=\"494\" srcset=\"https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/06\/a1-8.png 678w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/06\/a1-8-300x165.png 300w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/06\/a1-8-150x82.png 150w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/06\/a1-8-450x247.png 450w\" sizes=\"(max-width: 900px) 100vw, 900px\" \/><figcaption id=\"caption-attachment-17079\" class=\"wp-caption-text\">Proof of Stake l\u00e0 m\u1ed9t gi\u1ea3i ph\u00e1p thay th\u1ebf \u0111\u01b0\u1ee3c \u0111\u1ec1 xu\u1ea5t cho Proof of Work, trong \u0111\u00f3 c\u00e1i nh\u00ecn \u0111\u00fang \u0111\u1eafn v\u1ec1 l\u1ecbch s\u1eed kh\u00f4ng \u0111\u01b0\u1ee3c \u0111\u1ecbnh ngh\u0129a v\u1ec1 kh\u1ed1i l\u01b0\u1ee3ng c\u00f4ng vi\u1ec7c l\u1edbn nh\u1ea5t d\u00e0nh cho vi\u1ec7c gi\u1ea3i c\u00e1c c\u00e2u \u0111\u1ed1 m\u1eadt m\u00e3, m\u00e0 \u0111\u01b0\u1ee3c \u0111\u1ecbnh ngh\u0129a v\u1ec1 c\u00e1c kh\u00f3a c\u00f4ng khai \u0111\u1eb7c bi\u1ec7t. c\u00e1c n\u00fat \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 tr\u00ecnh x\u00e1c nh\u1eadn.<\/figcaption><\/figure>\n<p><span style=\"font-weight: 400;\">Gi\u1ea3i quy\u1ebft n\u1ee3 hi\u1ec7u qu\u1ea3 kh\u00f4ng \u0111\u00f2i h\u1ecfi to\u00e0n th\u1ebf gi\u1edbi ph\u1ea3i \u0111\u1ed3ng \u00fd v\u1ec1 lo\u1ea1i ti\u1ec1n c\u1ee5 th\u1ec3. Do \u0111\u00f3, m\u1ed9t kho\u1ea3n ti\u1ec1n ch\u1ee7 quan c\u00f3 th\u1ec3 h\u1eefu \u00edch trong t\u00fai c\u1ee7a n\u1ec1n kinh t\u1ebf th\u1ebf gi\u1edbi, n\u01a1i x\u1ea3y ra s\u1ef1 \u0111\u1ed3ng thu\u1eadn. Tuy nhi\u00ean, \u0111\u1ec3 thu h\u1eb9p kho\u1ea3ng c\u00e1ch gi\u1eefa b\u1ea5t k\u1ef3 hai nh\u00f3m n\u1ec1n kinh t\u1ebf vi m\u00f4 n\u00e0o, hay n\u00f3i chung l\u00e0 gi\u1eefa b\u1ea5t k\u1ef3 hai qu\u1ed1c gia n\u00e0o tr\u00ean th\u1ebf gi\u1edbi, c\u1ea7n ph\u1ea3i c\u00f3 s\u1ef1 \u0111\u1ed3ng thu\u1eadn to\u00e0n c\u1ea7u. M\u1ed9t c\u01a1 ch\u1ebf \u0111\u1ed3ng thu\u1eadn kh\u00e1ch quan \u0111\u1ea1t \u0111\u01b0\u1ee3c \u0111i\u1ec1u \u0111\u00f3; m\u1ed9t ch\u1ee7 quan th\u00ec kh\u00f4ng.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Ti\u1ec1n \u0111i\u1ec7n t\u1eed ch\u1ee9ng minh c\u1ed5 ph\u1ea7n kh\u00f4ng th\u1ec3 cung c\u1ea5p n\u1ec1n t\u1ea3ng m\u1edbi cho x\u01b0\u01a1ng s\u1ed1ng t\u00e0i ch\u00ednh c\u1ee7a th\u1ebf gi\u1edbi. Th\u1ebf gi\u1edbi bao g\u1ed3m c\u00e1c qu\u1ed1c gia kh\u00f4ng c\u00f4ng nh\u1eadn t\u00f2a \u00e1n c\u1ee7a nhau. N\u1ebfu x\u1ea3y ra tranh ch\u1ea5p v\u1ec1 quan \u0111i\u1ec3m \u0111\u00fang \u0111\u1eafn v\u1ec1 l\u1ecbch s\u1eed, th\u00ec c\u00e1ch duy nh\u1ea5t l\u00e0 chi\u1ebfn tranh.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">C\u00e1c t\u1ed5 ch\u1ee9c ph\u00e1t tri\u1ec3n v\u00e0 h\u1ed7 tr\u1ee3 c\u00e1c blockchains b\u1eb1ng ch\u1ee9ng c\u1ed5 ph\u1ea7n, c\u0169ng nh\u01b0 c\u00e1c nh\u00e0 ph\u00e1t tri\u1ec3n t\u1ef1 do l\u00e0m vi\u1ec7c cho h\u1ecd &#8211; v\u00e0 th\u1eadm ch\u00ed c\u1ea3 nh\u1eefng ng\u01b0\u1eddi c\u00f3 \u1ea3nh h\u01b0\u1edfng kh\u00f4ng vi\u1ebft m\u00e3 &#8211; t\u1ef1 ch\u1ecbu tr\u00e1ch nhi\u1ec7m ph\u00e1p l\u00fd khi t\u1ef1 \u00fd ch\u1ecdn m\u1ed9t quan \u0111i\u1ec3m b\u1ea5t l\u1ee3i v\u1ec1 l\u1ecbch s\u1eed (v\u1edbi nguy\u00ean \u0111\u01a1n). \u0110i\u1ec1u g\u00ec s\u1ebd x\u1ea3y ra khi m\u1ed9t s\u00e0n giao d\u1ecbch ti\u1ec1n \u0111i\u1ec7n t\u1eed cho ph\u00e9p r\u00fat m\u1ed9t l\u01b0\u1ee3ng l\u1edbn t\u1eeb kho\u1ea3n ti\u1ec1n g\u1eedi xu\u1ed1ng trong m\u1ed9t lo\u1ea1i ti\u1ec1n \u0111i\u1ec7n t\u1eed b\u1eb1ng ch\u1ee9ng c\u1ed5 ph\u1ea7n c\u00f3 giao d\u1ecbch ch\u1ec9 xu\u1ea5t hi\u1ec7n trong m\u1ed9t nh\u00e1nh c\u1ee7a hai quan \u0111i\u1ec3m c\u1ea1nh tranh c\u1ee7a l\u1ecbch s\u1eed? S\u00e0n giao d\u1ecbch c\u00f3 th\u1ec3 ch\u1ecdn ch\u1ebf \u0111\u1ed9 xem c\u00f3 l\u1ee3i cho l\u1ee3i nhu\u1eadn c\u1ee7a h\u1ecd, nh\u01b0ng n\u1ebfu ph\u1ea7n c\u00f2n l\u1ea1i c\u1ee7a c\u1ed9ng \u0111\u1ed3ng &#8211; \u0111\u01b0\u1ee3c th\u00fac \u0111\u1ea9y b\u1edfi ch\u1eef k\u00fd PGP v\u00e0 c\u00e1c tweet v\u00e0 c\u00e1c b\u00e0i \u0111\u0103ng tr\u00ean Ph\u01b0\u01a1ng ti\u1ec7n c\u1ee7a c\u00e1c t\u1ed5 ch\u1ee9c, nh\u00e0 ph\u00e1t tri\u1ec3n v\u00e0 nh\u1eefng ng\u01b0\u1eddi c\u00f3 \u1ea3nh h\u01b0\u1edfng &#8211; ch\u1ecdn ch\u1ebf \u0111\u1ed9 xem thay th\u1ebf, th\u00ec s\u00e0n giao d\u1ecbch c\u00f2n l\u1ea1i h\u00f3a \u0111\u01a1n. H\u1ecd c\u00f3 m\u1ecdi \u0111\u1ed9ng c\u01a1 v\u00e0 tr\u00e1ch nhi\u1ec7m \u1ee7y th\u00e1c \u0111\u1ec3 thu h\u1ed3i c\u00e1c t\u1ed5n th\u1ea5t c\u1ee7a h\u1ecd t\u1eeb nh\u1eefng ng\u01b0\u1eddi ch\u1ecbu tr\u00e1ch nhi\u1ec7m v\u1ec1 h\u1ecd.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Cu\u1ed1i c\u00f9ng, m\u1ed9t t\u00f2a \u00e1n s\u1ebd \u0111\u01b0a ra ph\u00e1n quy\u1ebft xem quan \u0111i\u1ec3m n\u00e0o v\u1ec1 l\u1ecbch s\u1eed l\u00e0 \u0111\u00fang \u0111\u1eafn nh\u1ea5t.<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"PHAN_KET_LUAN\"><\/span><span style=\"font-weight: 400;\">PH\u1ea6N K\u1ebeT LU\u1eacN<\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Nh\u1eefng ng\u01b0\u1eddi \u1ee7ng h\u1ed9 Proof of Stake cho r\u1eb1ng n\u00f3 ph\u1ee5c v\u1ee5 c\u00f9ng m\u1ed9t m\u1ee5c \u0111\u00edch nh\u01b0 ch\u1ee9ng minh c\u00f4ng vi\u1ec7c, nh\u01b0ng kh\u00f4ng g\u00e2y l\u00e3ng ph\u00ed n\u0103ng l\u01b0\u1ee3ng. T\u1ea5t c\u1ea3 th\u01b0\u1eddng xuy\u00ean, s\u1ef1 h\u1ed7 tr\u1ee3 c\u1ee7a h\u1ecd b\u1ecf qua s\u1ef1 \u0111\u00e1nh \u0111\u1ed5i c\u00f3 trong b\u1ea5t k\u1ef3 t\u00ecnh hu\u1ed1ng kh\u00f3 x\u1eed v\u1ec1 k\u1ef9 thu\u1eadt n\u00e0o. \u0110\u00fang, b\u1eb1ng ch\u1ee9ng c\u1ed5 ph\u1ea7n kh\u00f4ng lo\u1ea1i b\u1ecf chi ph\u00ed n\u0103ng l\u01b0\u1ee3ng, nh\u01b0ng vi\u1ec7c lo\u1ea1i b\u1ecf n\u00e0y hy sinh t\u00ednh kh\u00e1ch quan c\u1ee7a c\u01a1 ch\u1ebf \u0111\u1ed3ng thu\u1eadn k\u1ebft qu\u1ea3. \u0110i\u1ec1u \u0111\u00f3 kh\u00f4ng sao c\u1ea3 \u0111\u1ed1i v\u1edbi nh\u1eefng t\u00ecnh hu\u1ed1ng ch\u1ec9 c\u00f3 \u0111\u1ee7 s\u1ef1 \u0111\u1ed3ng thu\u1eadn c\u1ee7a \u0111\u1ecba ph\u01b0\u01a1ng, nh\u01b0ng b\u1ed1i c\u1ea3nh n\u00e0y \u0111\u1eb7t ra c\u00e2u h\u1ecfi: Lo\u1ea1i b\u1ecf c\u01a1 quan \u0111\u00e1ng tin c\u1eady c\u00f3 \u00edch l\u1ee3i g\u00ec? \u0110\u1ed1i v\u1edbi m\u1ed9t x\u01b0\u01a1ng s\u1ed1ng t\u00e0i ch\u00ednh to\u00e0n c\u1ea7u, m\u1ed9t c\u01a1 ch\u1ebf kh\u00e1ch quan l\u00e0 c\u1ea7n thi\u1ebft.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">B\u1ea3n ch\u1ea5t t\u1ef1 quy chi\u1ebfu c\u1ee7a Proof of Stake l\u00e0m cho n\u00f3 v\u1ed1n c\u00f3 t\u00ednh ch\u1ee7 quan: Quan \u0111i\u1ec3m l\u1ecbch s\u1eed n\u00e0o l\u00e0 \u0111\u00fang t\u00f9y thu\u1ed9c v\u00e0o ng\u01b0\u1eddi b\u1ea1n h\u1ecfi. C\u00e2u h\u1ecfi &#8220;Proof of Stake c\u00f3 an to\u00e0n kh\u00f4ng?&#8221; c\u1ed1 g\u1eafng gi\u1ea3m ph\u00e2n t\u00edch th\u00e0nh m\u1ed9t th\u01b0\u1edbc \u0111o kh\u00e1ch quan v\u1ec1 chi ph\u00ed kh\u00f4ng t\u1ed3n t\u1ea1i. Trong ng\u1eafn h\u1ea1n, fork n\u00e0o l\u00e0 ch\u00ednh x\u00e1c ph\u1ee5 thu\u1ed9c v\u00e0o vi\u1ec7c fork n\u00e0o ph\u1ed5 bi\u1ebfn \u0111\u1ed1i v\u1edbi c\u00e1c th\u00e0nh vi\u00ean c\u1ed9ng \u0111\u1ed3ng c\u00f3 \u1ea3nh h\u01b0\u1edfng. V\u1ec1 l\u00e2u d\u00e0i, c\u00e1c t\u00f2a \u00e1n s\u1ebd n\u1eafm quy\u1ec1n quy\u1ebft \u0111\u1ecbnh fork n\u00e0o l\u00e0 ch\u00ednh x\u00e1c v\u00e0 s\u1ef1 \u0111\u1ed3ng thu\u1eadn c\u1ee7a \u0111\u1ecba ph\u01b0\u01a1ng s\u1ebd tr\u00f9ng kh\u1edbp v\u1edbi ranh gi\u1edbi \u0111\u00e1nh d\u1ea5u s\u1ef1 k\u1ebft th\u00fac quy\u1ec1n t\u00e0i ph\u00e1n c\u1ee7a m\u1ed9t t\u00f2a \u00e1n v\u00e0 s\u1ef1 b\u1eaft \u0111\u1ea7u c\u1ee7a l\u1ea7n ti\u1ebfp theo.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">N\u0103ng l\u01b0\u1ee3ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng b\u1edfi c\u00e1c th\u1ee3 m\u1ecf trong c\u00e1c chu\u1ed7i kh\u1ed1i Proof of Work kh\u00f4ng b\u1ecb l\u00e3ng ph\u00ed nhi\u1ec1u h\u01a1n so v\u1edbi vi\u1ec7c s\u1eed d\u1ee5ng \u0111\u1ed9ng c\u01a1 diesel \u0111\u1ec3 l\u00e0m nhi\u00ean li\u1ec7u cho \u00f4 t\u00f4 b\u1ecb l\u00e3ng ph\u00ed. Thay v\u00e0o \u0111\u00f3, n\u00f3 \u0111\u01b0\u1ee3c \u0111\u1ed5i l\u1ea5y s\u1ef1 ng\u1eabu nhi\u00ean c\u00f3 th\u1ec3 x\u00e1c minh \u0111\u01b0\u1ee3c b\u1eb1ng m\u1eadt m\u00e3, kh\u00f4ng th\u1ec3 x\u00e1c minh \u0111\u01b0\u1ee3c. Ch\u00fang t\u00f4i kh\u00f4ng bi\u1ebft l\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 t\u1ea1o ra m\u1ed9t c\u01a1 ch\u1ebf \u0111\u1ed3ng thu\u1eadn kh\u00e1ch quan m\u00e0 kh\u00f4ng c\u00f3 th\u00e0nh ph\u1ea7n quan tr\u1ecdng n\u00e0y.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">V\u1eady l\u00e0 ch\u00fang ta \u0111\u00e3 c\u00f9ng tranh lu\u1eadn v\u1ec1 Proof of Stake v\u00e0 Proof of Work. B\u1ea1n ngh\u0129 sao v\u1ec1 ch\u1ee7 \u0111\u1ec1 n\u00e0y. \u0110\u1eebng qu\u00ean \u0111\u1ec3 l\u1ea1i b\u00ecnh lu\u1eadn c\u1ee7a m\u00ecnh d\u01b0\u1edbi b\u00e0i vi\u1ebft. Ti\u1ebfp t\u1ee5c \u0111\u00f3n xem c\u00e1c ch\u1ee7 \u0111\u1ec1 th\u00fa v\u1ecb ti\u1ebfp theo tr\u00ean blog c\u1ee7a <a href=\"https:\/\/www.fiahub.com\">Fiahub<\/a> nh\u00e9!<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Proof of Stake l\u00e0 m\u1ed9t c\u01a1 ch\u1ebf \u0111\u1ed3ng thu\u1eadn thay th\u1ebf \u0111\u01b0\u1ee3c \u0111\u1ec1 xu\u1ea5t cho Proof of Work m\u00e0 c\u01a1 ch\u1ebf \u0111\u1ed3ng thu\u1eadn c\u1ee7a Bitcoin s\u1eed d\u1ee5ng. Thay v\u00ec y\u00eau c\u1ea7u ti\u00eau th\u1ee5 n\u0103ng l\u01b0\u1ee3ng, Proof of Stake y\u00eau c\u1ea7u ng\u01b0\u1eddi khai th\u00e1c (th\u01b0\u1eddng \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 tr\u00ecnh x\u00e1c th\u1ef1c) \u0111\u1eb7t c\u00e1c t\u00e0i s\u1ea3n k\u1ef9<\/p>\n","protected":false},"author":24,"featured_media":17075,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[21849],"tags":[2740,3295,8325,3296,8326],"class_list":{"0":"post-17074","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-phan-tich-nhan-dinh","8":"tag-blockchain","9":"tag-pos","10":"tag-pow","11":"tag-proof-of-stake","12":"tag-proof-of-work"},"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>Kh\u00f4ng ph\u1ea3i Proof of Stake, Proof of Work m\u1edbi l\u00e0 m\u1ee5c ti\u00eau! 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