{"id":13702,"date":"2024-11-07T11:46:47","date_gmt":"2024-11-07T04:46:47","guid":{"rendered":"https:\/\/bitcoinvn.io\/news\/?p=13702"},"modified":"2024-11-05T11:50:22","modified_gmt":"2024-11-05T04:50:22","slug":"proof-of-authority-poa-la-gi","status":"publish","type":"post","link":"https:\/\/bitcoinvn.io\/news\/vi\/proof-of-authority-poa-la-gi\/","title":{"rendered":"Proof of Authority &#8211; PoA l\u00e0 g\u00ec? To\u00e0n t\u1eadp v\u1ec1 PoA"},"content":{"rendered":"<p><i><span style=\"font-weight: 400;\">Sau s\u1ef1 th\u00e0nh c\u00f4ng c\u1ee7a Proof-of-Stake (PoS) v\u00e0 Proof-of-Work (PoW), nhi\u1ec1u c\u01a1 ch\u1ebf \u0111\u1ed3ng thu\u1eadn kh\u00e1c \u0111\u00e3 ra \u0111\u1eddi. M\u1ed9t trong s\u1ed1 \u0111\u00f3 l\u00e0 Proof of Authority (PoA) &#8211; gi\u1ea3i ph\u00e1p ti\u1ebft ki\u1ec7m n\u0103ng l\u01b0\u1ee3ng h\u01a1n PoS v\u00ec n\u00f3 y\u00eau c\u1ea7u s\u1eed d\u1ee5ng \u00edt t\u00e0i nguy\u00ean t\u00ednh to\u00e1n h\u01a1n. B\u00e0i vi\u1ebft n\u00e0y s\u1ebd gi\u1ea3i th\u00edch Proof of Authority <\/span><\/i><b><i>PoA l\u00e0 g\u00ec<\/i><\/b><i><span style=\"font-weight: 400;\">, nguy\u00ean t\u1eafc ho\u1ea1t \u0111\u1ed9ng v\u00e0 l\u1ee3i \u00edch c\u1ee7a c\u01a1 ch\u1ebf n\u00e0y \u0111\u1ec3 b\u1ea1n \u0111\u1ecdc tham kh\u1ea3o.<\/span><\/i><\/p>\n<figure id=\"attachment_13705\" aria-describedby=\"caption-attachment-13705\" style=\"width: 600px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-13705 size-full\" src=\"https:\/\/bitcoinvn.io\/news\/wp-content\/uploads\/2024\/10\/PoA-la-gi-3.jpg\" alt=\"T\u00ecm hi\u1ec3u ngay Proof of Authority l\u00e0 g\u00ec v\u00e0 c\u00e1ch c\u01a1 ch\u1ebf n\u00e0y c\u1ea3i thi\u1ec7n blockchain\" width=\"600\" height=\"337\" srcset=\"https:\/\/bitcoinvn.io\/news\/wp-content\/uploads\/2024\/10\/PoA-la-gi-3.jpg 600w, https:\/\/bitcoinvn.io\/news\/wp-content\/uploads\/2024\/10\/PoA-la-gi-3-300x169.jpg 300w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><figcaption id=\"caption-attachment-13705\" class=\"wp-caption-text\">T\u00ecm hi\u1ec3u ngay Proof of Authority l\u00e0 g\u00ec v\u00e0 c\u00e1ch c\u01a1 ch\u1ebf n\u00e0y c\u1ea3i thi\u1ec7n blockchain<\/figcaption><\/figure>\n<h2><b>Proof of Authority &#8211; PoA l\u00e0 g\u00ec?<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">Ch\u1ee9ng minh quy\u1ec1n h\u1ea1n (Proof of Authority &#8211; PoA) l\u00e0 thu\u1eadt to\u00e1n \u0111\u1ed3ng thu\u1eadn hi\u1ec7u qu\u1ea3 cho blockchain, nh\u1ea5t l\u00e0 blockchain ri\u00eang t\u01b0. C\u01a1 ch\u1ebf n\u00e0y \u0111\u01b0\u1ee3c gi\u1edbi thi\u1ec7u v\u00e0o n\u0103m 2017 b\u1edfi \u00f4ng Gavin Wood &#8211; \u0111\u1ed3ng s\u00e1ng l\u1eadp Ethereum.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Trong Proof of Authority, m\u00e1y t\u00ednh t\u1ea1o kh\u1ed1i m\u1edbi ph\u1ea3i v\u01b0\u1ee3t qua qu\u00e1 tr\u00ecnh ki\u1ec3m duy\u1ec7t nghi\u00eam ng\u1eb7t. Nh\u1eefng m\u00e1y x\u00e1c th\u1ef1c n\u00e0y \u0111\u00e3 \u0111\u01b0\u1ee3c ch\u1ecdn l\u1ef1a k\u1ef9 l\u01b0\u1ee1ng, c\u00f3 nhi\u1ec7m v\u1ee5 b\u1ea3o v\u1ec7 blockchain PoA b\u1eb1ng c\u00e1ch ki\u1ec3m tra c\u00e1c kh\u1ed1i v\u00e0 giao d\u1ecbch. Nh\u1eefng ng\u01b0\u1eddi tham gia h\u1ec7 th\u1ed1ng \u0111\u1ec1u \u0111\u00e3 \u0111\u01b0\u1ee3c ph\u00ea duy\u1ec7t tr\u01b0\u1edbc.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">M\u00f4 h\u00ecnh PoA c\u00f3 kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng v\u00ec ch\u1ec9 c\u1ea7n m\u1ed9t s\u1ed1 \u00edt ng\u01b0\u1eddi x\u00e1c th\u1ef1c kh\u1ed1i. VeChain (VET) l\u00e0 m\u1ed9t n\u1ec1n t\u1ea3ng ph\u1ed5 bi\u1ebfn \u00e1p d\u1ee5ng thu\u1eadt to\u00e1n n\u00e0y.<\/span><\/p>\n<h2><b>C\u01a1 ch\u1ebf ho\u1ea1t \u0111\u1ed9ng c\u1ee7a PoA l\u00e0 g\u00ec?<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">Nh\u1eefng ng\u01b0\u1eddi x\u00e1c th\u1ef1c \u0111\u00e3 \u0111\u01b0\u1ee3c ph\u00ea duy\u1ec7t s\u1eed d\u1ee5ng ph\u1ea7n m\u1ec1m \u0111\u1ec3 t\u1ef1 \u0111\u1ed9ng s\u1eafp x\u1ebfp giao d\u1ecbch th\u00e0nh kh\u1ed1i m\u00e0 kh\u00f4ng c\u1ea7n gi\u00e1m s\u00e1t m\u00e1y t\u00ednh li\u00ean t\u1ee5c. Tuy nhi\u00ean, h\u1ecd v\u1eabn ph\u1ea3i \u0111\u1ea3m b\u1ea3o m\u00e1y t\u00ednh c\u1ee7a m\u00ecnh ho\u1ea1t \u0111\u1ed9ng \u1ed5n \u0111\u1ecbnh.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u0110\u1ec3 tr\u1edf th\u00e0nh ng\u01b0\u1eddi x\u00e1c th\u1ef1c, ng\u01b0\u1eddi d\u00f9ng ph\u1ea3i \u0111\u00e1p \u1ee9ng 3 y\u00eau c\u1ea7u c\u01a1 b\u1ea3n:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>\u0110\u00e1ng tin c\u1eady:<\/b><span style=\"font-weight: 400;\"> Ng\u01b0\u1eddi x\u00e1c th\u1ef1c ph\u1ea3i c\u00f3 \u0111\u1ea1o \u0111\u1ee9c t\u1ed1t v\u00e0 kh\u00f4ng c\u00f3 ti\u1ec1n \u00e1n.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Danh t\u00ednh \u0111\u01b0\u1ee3c x\u00e1c th\u1ef1c:<\/b><span style=\"font-weight: 400;\"> Danh t\u00ednh ph\u1ea3i \u0111\u01b0\u1ee3c x\u00e1c minh ch\u00ednh th\u1ee9c v\u00e0 c\u00f3 th\u1ec3 ki\u1ec3m tra c\u00f4ng khai.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Cam k\u1ebft \u0111\u1ea7u t\u01b0:<\/b><span style=\"font-weight: 400;\"> Ng\u01b0\u1eddi x\u00e1c th\u1ef1c ph\u1ea3i s\u1eb5n s\u00e0ng \u0111\u1ea7u t\u01b0 t\u00e0i ch\u00ednh v\u00e0 danh ti\u1ebfng, gi\u00fap gi\u1ea3m kh\u1ea3 n\u0103ng ch\u1ecdn l\u1ef1a ng\u01b0\u1eddi kh\u00f4ng \u0111\u00e1ng tin c\u1eady v\u00e0 khuy\u1ebfn kh\u00edch cam k\u1ebft l\u00e2u d\u00e0i.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">C\u01a1 ch\u1ebf ho\u1ea1t \u0111\u1ed9ng c\u1ee7a PoA l\u00e0 d\u1ef1a v\u00e0o vi\u1ec7c tin t\u01b0\u1edfng danh t\u00ednh c\u1ee7a ng\u01b0\u1eddi x\u00e1c th\u1ef1c, gi\u00fap lo\u1ea1i b\u1ecf \u1ee9ng c\u1eed vi\u00ean y\u1ebfu k\u00e9m. \u0110i\u1ec1u n\u00e0y \u0111\u1ea3m b\u1ea3o t\u1ea5t c\u1ea3 ng\u01b0\u1eddi x\u00e1c th\u1ef1c tu\u00e2n th\u1ee7 c\u00f9ng m\u1ed9t quy tr\u00ecnh, t\u1eeb \u0111\u00f3 b\u1ea3o v\u1ec7 t\u00ednh to\u00e0n v\u1eb9n v\u00e0 \u0111\u1ed9 tin c\u1eady c\u1ee7a h\u1ec7 th\u1ed1ng.<\/span><\/p>\n<figure id=\"attachment_13704\" aria-describedby=\"caption-attachment-13704\" style=\"width: 600px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-13704 size-full\" src=\"https:\/\/bitcoinvn.io\/news\/wp-content\/uploads\/2024\/10\/PoA-la-gi-2.jpg\" alt=\"Ng\u01b0\u1eddi x\u00e1c th\u1ef1c c\u1ea7n \u0111\u01b0\u1ee3c x\u00e1c minh danh t\u00ednh tr\u01b0\u1edbc khi \u0111\u01b0\u1ee3c c\u1ea5p quy\u1ec1n\" width=\"600\" height=\"315\" srcset=\"https:\/\/bitcoinvn.io\/news\/wp-content\/uploads\/2024\/10\/PoA-la-gi-2.jpg 600w, https:\/\/bitcoinvn.io\/news\/wp-content\/uploads\/2024\/10\/PoA-la-gi-2-300x158.jpg 300w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><figcaption id=\"caption-attachment-13704\" class=\"wp-caption-text\">Ng\u01b0\u1eddi x\u00e1c th\u1ef1c c\u1ea7n \u0111\u01b0\u1ee3c x\u00e1c minh danh t\u00ednh tr\u01b0\u1edbc khi \u0111\u01b0\u1ee3c c\u1ea5p quy\u1ec1n<\/figcaption><\/figure>\n<p><span style=\"font-weight: 400;\">Tr\u00ean eBay, c\u01a1 ch\u1ebf x\u1ebfp h\u1ea1ng danh ti\u1ebfng y\u00eau c\u1ea7u t\u1ea5t c\u1ea3 ng\u01b0\u1eddi b\u00e1n ph\u1ea3i tu\u00e2n th\u1ee7 quy \u0111\u1ecbnh v\u00e0 ph\u1ea3n h\u1ed3i t\u1eeb ng\u01b0\u1eddi mua. Ng\u01b0\u1eddi b\u00e1n c\u00f3 \u0111i\u1ec3m ph\u1ea3n h\u1ed3i t\u00edch c\u1ef1c 100% s\u1ebd nh\u1eadn \u0111\u01b0\u1ee3c s\u1ef1 tin t\u01b0\u1edfng t\u1eeb ng\u01b0\u1eddi mua, trong khi nh\u1eefng ng\u01b0\u1eddi c\u00f3 x\u1ebfp h\u1ea1ng th\u1ea5p s\u1ebd b\u1ecb c\u1ea3nh b\u00e1o v\u00e0 m\u1ea5t quy\u1ec1n l\u1ee3i. Nh\u1eefng ng\u01b0\u1eddi b\u00e1n c\u00f3 ph\u1ea3n h\u1ed3i th\u1ea5p li\u00ean t\u1ee5c s\u1ebd b\u1ecb lo\u1ea1i kh\u1ecfi n\u1ec1n t\u1ea3ng, ch\u1ec9 c\u00f2n l\u1ea1i nh\u1eefng ng\u01b0\u1eddi c\u00f3 uy t\u00edn cao. T\u01b0\u01a1ng t\u1ef1, danh ti\u1ebfng c\u0169ng r\u1ea5t quan tr\u1ecdng trong PoA \u0111\u1ec3 x\u00e1c minh ng\u01b0\u1eddi x\u00e1c th\u1ef1c.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Nh\u1eefng ng\u01b0\u1eddi d\u00f9ng \u0111\u01b0\u1ee3c quy\u1ec1n tr\u1edf th\u00e0nh ng\u01b0\u1eddi x\u00e1c th\u1ef1c qua thu\u1eadt to\u00e1n PoA c\u00f3 \u0111\u1ed9ng c\u01a1 \u0111\u1ec3 gi\u1eef x\u1ebfp h\u1ea1ng cao. H\u1ecd c\u1ea7n duy tr\u00ec giao d\u1ecbch \u1ed5n \u0111\u1ecbnh \u0111\u1ec3 b\u1ea3o v\u1ec7 danh ti\u1ebfng g\u1eafn li\u1ec1n v\u1edbi danh t\u00ednh th\u1ef1c c\u1ee7a m\u00ecnh. Do \u0111\u00f3, h\u1ea7u h\u1ebft ng\u01b0\u1eddi d\u00f9ng \u0111\u1ec1u \u0111\u00e1nh gi\u00e1 cao vai tr\u00f2 c\u1ee7a h\u1ecd trong v\u1ecb tr\u00ed x\u00e1c th\u1ef1c.<\/span><\/p>\n<h2><b>\u01afu \u0111i\u1ec3m c\u1ee7a PoA l\u00e0 g\u00ec?<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">Ch\u1ee9ng minh quy\u1ec1n h\u1ea1n (PoA) c\u00f3 nh\u1eefng \u01b0u \u0111i\u1ec3m n\u1ed5i b\u1eadt so v\u1edbi c\u00e1c c\u01a1 ch\u1ebf \u0111\u1ed3ng thu\u1eadn kh\u00e1c nh\u01b0 <\/span><a href=\"https:\/\/bitcoinvn.io\/news\/proof-of-work-la-gi\/?utm_source=Google&amp;utm_medium=proof-of-authority-la-gi&amp;utm_id=SEO2024\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">Proof of Work (PoW)<\/span><\/a><span style=\"font-weight: 400;\"> v\u00e0 <\/span><a href=\"https:\/\/bitcoinvn.io\/news\/proof-of-stake-la-gi\/?utm_source=Google&amp;utm_medium=proof-of-authority-la-gi&amp;utm_id=SEO2024\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">Proof of Stake (PoS)<\/span><\/a><span style=\"font-weight: 400;\"> \u1edf hai \u0111i\u1ec3m ch\u00ednh:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>T\u1ed1c \u0111\u1ed9 giao d\u1ecbch cao h\u01a1n:<\/b><span style=\"font-weight: 400;\"> PoA c\u00f3 kh\u1ea3 n\u0103ng th\u1ef1c hi\u1ec7n nhi\u1ec1u giao d\u1ecbch h\u01a1n m\u1ed7i gi\u00e2y.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Ti\u00eau t\u1ed1n \u00edt t\u00e0i nguy\u00ean:<\/b><span style=\"font-weight: 400;\"> PoA y\u00eau c\u1ea7u \u00edt t\u00e0i nguy\u00ean t\u00ednh to\u00e1n h\u01a1n so v\u1edbi PoW v\u00e0 PoS .<\/span><\/li>\n<\/ul>\n<h2><b>Nh\u01b0\u1ee3c \u0111i\u1ec3m c\u1ee7a PoA l\u00e0 g\u00ec?<\/b><span style=\"font-weight: 400;\">\u00a0<\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Proof of Authority (PoA) \u0111\u01b0\u1ee3c xem l\u00e0 c\u01a1 ch\u1ebf t\u1eadp trung v\u00ec ng\u01b0\u1eddi x\u00e1c th\u1ef1c ph\u1ea3i \u0111\u01b0\u1ee3c ph\u00ea duy\u1ec7t tr\u01b0\u1edbc. M\u1eb7c d\u00f9 PoA c\u00f3 kh\u1ea3 n\u0103ng x\u1eed l\u00fd nhi\u1ec1u giao d\u1ecbch, nh\u01b0ng t\u00ednh b\u1ea5t bi\u1ebfn c\u1ee7a n\u00f3 c\u00f3 th\u1ec3 b\u1ecb \u1ea3nh h\u01b0\u1edfng do d\u1ec5 d\u00e0ng b\u1ecb ki\u1ec3m duy\u1ec7t v\u00e0 li\u1ec7t v\u00e0o danh s\u00e1ch \u0111en.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">M\u1ed9t v\u1ea5n \u0111\u1ec1 kh\u00e1c l\u00e0 m\u1ecdi ng\u01b0\u1eddi \u0111\u1ec1u c\u00f3 th\u1ec3 bi\u1ebft danh t\u00ednh c\u1ee7a ng\u01b0\u1eddi x\u00e1c th\u1ef1c, \u0111i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn vi\u1ec7c b\u00ean th\u1ee9 ba thao t\u00fang h\u1ec7 th\u1ed1ng. M\u1eb7c d\u00f9 ch\u1ec9 nh\u1eefng ng\u01b0\u1eddi ch\u01a1i \u0111\u00e3 \u0111\u01b0\u1ee3c c\u00f4ng nh\u1eadn m\u1edbi gi\u1eef v\u1ecb tr\u00ed n\u00e0y, nh\u01b0ng vi\u1ec7c c\u00f4ng khai danh t\u00ednh c\u00f3 th\u1ec3 l\u00e0m gi\u1ea3m t\u00ednh to\u00e0n v\u1eb9n c\u1ee7a h\u1ec7 th\u1ed1ng.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Kh\u00f4ng c\u00f3 c\u01a1 ch\u1ebf \u0111\u1ed3ng thu\u1eadn n\u00e0o l\u00e0 ho\u00e0n h\u1ea3o v\u00ec m\u1ed7i c\u01a1 ch\u1ebf \u0111\u1ec1u c\u00f3 \u01b0u v\u00e0 nh\u01b0\u1ee3c \u0111i\u1ec3m ri\u00eang. Trong khi t\u00ednh ph\u00e2n quy\u1ec1n \u0111\u01b0\u1ee3c coi l\u00e0 m\u1ed9t l\u1ee3i th\u1ebf trong c\u1ed9ng \u0111\u1ed3ng ti\u1ec1n \u0111i\u1ec7n t\u1eed, th\u00ec PoA l\u1ea1i hy sinh t\u00ednh ph\u00e2n quy\u1ec1n \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c hi\u1ec7u su\u1ea5t cao h\u01a1n v\u00e0 kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng t\u1ed1t h\u01a1n.<\/span><\/p>\n<figure id=\"attachment_13706\" aria-describedby=\"caption-attachment-13706\" style=\"width: 600px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-13706 size-full\" src=\"https:\/\/bitcoinvn.io\/news\/wp-content\/uploads\/2024\/10\/PoA-la-gi-4.jpg\" alt=\"D\u00f9 mang l\u1ea1i nhi\u1ec1u l\u1ee3i \u00edch nh\u01b0ng Proof of Authority l\u1ea1i kh\u00f4ng c\u00f3 t\u00ednh ph\u00e2n quy\u1ec1n cao\" width=\"600\" height=\"368\" srcset=\"https:\/\/bitcoinvn.io\/news\/wp-content\/uploads\/2024\/10\/PoA-la-gi-4.jpg 600w, https:\/\/bitcoinvn.io\/news\/wp-content\/uploads\/2024\/10\/PoA-la-gi-4-300x184.jpg 300w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><figcaption id=\"caption-attachment-13706\" class=\"wp-caption-text\">D\u00f9 mang l\u1ea1i nhi\u1ec1u l\u1ee3i \u00edch nh\u01b0ng Proof of Authority l\u1ea1i kh\u00f4ng c\u00f3 t\u00ednh ph\u00e2n quy\u1ec1n cao<\/figcaption><\/figure>\n<h2><b>5 blockchain s\u1eed d\u1ee5ng c\u01a1 ch\u1ebf Proof of Authority n\u1ed5i ti\u1ebfng nh\u1ea5t hi\u1ec7n nay<\/b><\/h2>\n<h3><b>VeChain (VET)<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">VeChain l\u00e0 m\u1ed9t n\u1ec1n t\u1ea3ng blockchain t\u1eadp trung v\u00e0o vi\u1ec7c cung c\u1ea5p c\u00e1c gi\u1ea3i ph\u00e1p cho c\u00e1c doanh nghi\u1ec7p, \u0111\u1eb7c bi\u1ec7t l\u00e0 trong c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p nh\u01b0 logistics v\u00e0 qu\u1ea3n l\u00fd chu\u1ed7i cung \u1ee9ng. VeChain s\u1eed d\u1ee5ng Proof of Authority \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o t\u00ednh b\u1ea3o m\u1eadt v\u00e0 hi\u1ec7u qu\u1ea3 c\u1ee7a m\u1ea1ng l\u01b0\u1edbi.<\/span><\/p>\n<h3><b>Lisk (LSK)<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">Lisk l\u00e0 m\u1ed9t n\u1ec1n t\u1ea3ng blockchain cho ph\u00e9p b\u1ea5t k\u1ef3 ai x\u00e2y d\u1ef1ng v\u00e0 tri\u1ec3n khai c\u00e1c sidechain c\u1ee7a ri\u00eang m\u00ecnh. Lisk s\u1eed d\u1ee5ng PoA \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o s\u1ef1 \u1ed5n \u0111\u1ecbnh v\u00e0 hi\u1ec7u su\u1ea5t c\u1ee7a blockchain ch\u00ednh.<\/span><\/p>\n<h3><b>Qtum (QTUM)<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">Qtum k\u1ebft h\u1ee3p c\u00e1c \u01b0u \u0111i\u1ec3m c\u1ee7a <\/span><a href=\"https:\/\/bitcoinvn.io\/vi\/?deposit=vnd&amp;settle=btc&amp;utm_source=Google&amp;utm_medium=proof-of-authority-la-gi&amp;utm_id=SEO2024\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">Bitcoin<\/span><\/a><span style=\"font-weight: 400;\"> v\u00e0 <\/span><a href=\"https:\/\/bitcoinvn.io\/vi\/?deposit=vnd&amp;settle=eth&amp;utm_source=Google&amp;utm_medium=proof-of-authority-la-gi&amp;utm_id=SEO2024\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">Ethereum<\/span><\/a> b\u1eb1ng c\u00e1ch<span style=\"font-weight: 400;\">\u00a0cung c\u1ea5p m\u1ed9t n\u1ec1n t\u1ea3ng ph\u00e1t tri\u1ec3n h\u1ee3p \u0111\u1ed3ng th\u00f4ng minh m\u1ea1nh m\u1ebd. Qtum s\u1eed d\u1ee5ng PoA \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o s\u1ef1 \u1ed5n \u0111\u1ecbnh v\u00e0 b\u1ea3o m\u1eadt c\u1ee7a m\u1ea1ng l\u01b0\u1edbi.<\/span><\/p>\n<h3><b>Wanchain (WAN)<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">Wanchain l\u00e0 m\u1ed9t blockchain t\u1eadp trung v\u00e0o vi\u1ec7c k\u1ebft n\u1ed1i c\u00e1c blockchain kh\u00e1c nhau. Wanchain s\u1eed d\u1ee5ng PoA \u0111\u1ec3 qu\u1ea3n l\u00fd c\u00e1c giao d\u1ecbch li\u00ean chu\u1ed7i.<\/span><\/p>\n<h3><b>ICON (ICX)<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">ICON l\u00e0 m\u1ed9t m\u1ea1ng l\u01b0\u1edbi blockchain k\u1ebft n\u1ed1i c\u00e1c blockchain kh\u00e1c nhau, t\u1ea1o th\u00e0nh m\u1ed9t &#8220;Internet of Blockchains&#8221;. ICON s\u1eed d\u1ee5ng PoA \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o s\u1ef1 \u0111\u1ed3ng thu\u1eadn gi\u1eefa c\u00e1c blockchain kh\u00e1c nhau.<\/span><\/p>\n<h2><b>K\u1ebft lu\u1eadn<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">V\u1edbi s\u1ef1 ph\u00e1t tri\u1ec3n kh\u00f4ng ng\u1eebng c\u1ee7a c\u00f4ng ngh\u1ec7 blockchain, PoA s\u1ebd ti\u1ebfp t\u1ee5c l\u00e0 m\u1ed9t l\u1ef1a ch\u1ecdn h\u1ea5p d\u1eabn cho nh\u1eefng \u1ee9ng d\u1ee5ng c\u1ea7n t\u1ed1c \u0111\u1ed9 v\u00e0 t\u00ednh \u1ed5n \u0111\u1ecbnh.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">N\u1ebfu b\u1ea1n c\u00f2n b\u1ea5t k\u1ef3 th\u1eafc m\u1eafc n\u00e0o v\u1ec1 ch\u1ee7 \u0111\u1ec1 <\/span><b>PoA l\u00e0 g\u00ec,<\/b><span style=\"font-weight: 400;\"> \u0111\u1eebng ng\u1ea7n ng\u1ea1i tham gia <a href=\"https:\/\/bitcoinvn.io\/news\/kbtc-now-available-on-bitcoinvn\/\">c\u1ed9ng \u0111\u1ed3ng c\u1ee7a ch\u00fang t\u00f4i tr\u00ean Telegram<\/a> \u0111\u1ec3 \u0111\u01b0\u1ee3c gi\u1ea3i \u0111\u00e1p.<\/span><\/p>\n<p style=\"text-align: right;\"><b>Ngu\u1ed3n: <\/b><a href=\"https:\/\/www.coindesk.com\/learn\/what-is-proof-of-authority\/\" target=\"_blank\" rel=\"noopener\"><b>Coindesk<\/b><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Sau s\u1ef1 th\u00e0nh c\u00f4ng c\u1ee7a Proof-of-Stake (PoS) v\u00e0 Proof-of-Work (PoW), nhi\u1ec1u c\u01a1 ch\u1ebf \u0111\u1ed3ng thu\u1eadn kh\u00e1c \u0111\u00e3 ra \u0111\u1eddi. M\u1ed9t trong s\u1ed1 \u0111\u00f3 l\u00e0 Proof of Authority (PoA) &#8211; gi\u1ea3i ph\u00e1p ti\u1ebft ki\u1ec7m n\u0103ng l\u01b0\u1ee3ng h\u01a1n PoS v\u00ec n\u00f3 y\u00eau c\u1ea7u s\u1eed d\u1ee5ng \u00edt t\u00e0i nguy\u00ean t\u00ednh to\u00e1n h\u01a1n. B\u00e0i vi\u1ebft n\u00e0y s\u1ebd gi\u1ea3i th\u00edch [&hellip;]<\/p>\n","protected":false},"author":14,"featured_media":13703,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[142],"tags":[],"class_list":["post-13702","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-basic-guide"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.6 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Proof of Authority - PoA l\u00e0 g\u00ec? Review \u01b0u nh\u01b0\u1ee3c \u0111i\u1ec3m<\/title>\n<meta name=\"description\" content=\"PoA l\u00e0 g\u00ec? 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