{"id":15536,"date":"2022-04-18T15:27:00","date_gmt":"2022-04-18T08:27:00","guid":{"rendered":"https:\/\/www.fiahub.com\/blog\/?p=15536"},"modified":"2022-04-18T11:34:46","modified_gmt":"2022-04-18T04:34:46","slug":"proof-of-authority-poa-va-co-che-hoat-dong","status":"publish","type":"post","link":"https:\/\/www.fiahub.com\/blog\/proof-of-authority-poa-va-co-che-hoat-dong\/","title":{"rendered":"Proof of Authority (PoA) v\u00e0 c\u01a1 ch\u1ebf ho\u1ea1t \u0111\u1ed9ng"},"content":{"rendered":"\n<p>Ch\u00fang ta \u0111\u00e3 nghe nhi\u1ec1u v\u1ec1 c\u01a1 ch\u1ebf \u0111\u1ed3ng thu\u1eadn nh\u01b0 b\u1eb1ng ch\u1ee9ng c\u00f4ng vi\u1ec7c Proof of Work hay b\u1eb1ng ch\u1ee9ng c\u1ed5 ph\u1ea7n Proof of Stake. V\u1eabn c\u00f2n r\u1ea5t nhi\u1ec1u c\u01a1 ch\u1ebf \u0111\u1ed3ng thu\u1eadn kh\u00e1c \u0111\u01b0a ra nhi\u1ec1u ph\u01b0\u01a1ng ph\u00e1p thay th\u1ebf trong <a href=\"https:\/\/www.fiahub.com\">Blockchain<\/a>, m\u1ed9t trong \u0111\u00f3 ph\u1ea3i k\u1ec3 t\u1edbi Proof of Authority hay PoA.&nbsp;<\/p>\n\n\n\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_79_2 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\/proof-of-authority-poa-va-co-che-hoat-dong\/#1_Dinh_nghia\" >1. \u0110\u1ecbnh ngh\u0129a<\/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\/proof-of-authority-poa-va-co-che-hoat-dong\/#2_Van_de_ma_Proof_of_Authority_giai_quyet\" >2. V\u1ea5n \u0111\u1ec1 m\u00e0 Proof of Authority gi\u1ea3i quy\u1ebft<\/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\/proof-of-authority-poa-va-co-che-hoat-dong\/#3_Uu_diem_va_han_che_cua_PoA\" >3. \u01afu \u0111i\u1ec3m v\u00e0 h\u1ea1n ch\u1ebf c\u1ee7a PoA<\/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\/proof-of-authority-poa-va-co-che-hoat-dong\/#4_Nhung_Blockchain_nao_dang_su_dung_thuat_toan_PoA\" >4. Nh\u1eefng Blockchain n\u00e0o \u0111ang s\u1eed d\u1ee5ng thu\u1eadt to\u00e1n PoA<\/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\/proof-of-authority-poa-va-co-che-hoat-dong\/#5_Ket_luan\" >5. K\u1ebft lu\u1eadn<\/a><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"1_Dinh_nghia\"><\/span>1. \u0110\u1ecbnh ngh\u0129a<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p><strong>Proof of Authority<\/strong> hay <strong>PoA<\/strong> l\u00e0 b\u1eb1ng ch\u1ee9ng u\u1ef7 quy\u1ec1n, m\u1ed9t lo\u1ea1i thu\u1eadt to\u00e1n \u0111\u1ed3ng thu\u1eadn d\u1ef1a tr\u00ean danh ti\u1ebfng, cung c\u1ea5p gi\u1ea3i ph\u00e1p th\u1ef1c t\u1ebf v\u00e0 hi\u1ec7u qu\u1ea3 cho c\u00e1c Blockchain. Kh\u00e1i ni\u1ec7m n\u00e0y do c\u1ef1u CTO v\u00e0 \u0111\u1ed3ng s\u00e1ng l\u1eadp Ethereum l\u00e0 <em>Gavin Wood<\/em> \u0111\u01b0a ra n\u0103m 2017.&nbsp;<\/p>\n\n\n\n<p><strong>Proof of Authority<\/strong> l\u00e0 d\u1ea1ng bi\u1ebfn th\u1ec3 c\u1ee7a c\u01a1 ch\u1ebf \u0111\u1ed3ng thu\u1eadn Proof of Stake, \u0111\u1ec1 cao gi\u00e1 tr\u1ecb c\u1ee7a danh ti\u1ebfng v\u00e0 danh t\u00ednh c\u1ee7a ng\u01b0\u1eddi tham d\u1ef1 m\u00e0 kh\u00f4ng d\u1ef1a tr\u00ean gi\u00e1 tr\u1ecb c\u1ee7a token m\u00e0 h\u1ecd n\u1eafm gi\u1eef.<\/p>\n\n\n\n<p>M\u00f4 h\u00ecnh <strong>PoA<\/strong> d\u1ef1a tr\u00ean s\u1ed1 l\u01b0\u1ee3ng ng\u01b0\u1eddi ki\u1ec3m duy\u1ec7t c\u00f3 gi\u1edbi h\u1ea1n, gi\u00fap n\u00f3 tr\u1edf th\u00e0nh m\u00f4 h\u00ecnh c\u00f3 th\u1ec3 d\u1ec5 d\u00e0ng m\u1edf r\u1ed9ng. C\u00e1c giao d\u1ecbch v\u00e0 kh\u1ed1i \u0111\u01b0\u1ee3c x\u00e1c th\u1ef1c b\u1edfi nh\u1eefng ng\u01b0\u1eddi tham gia \u0111\u00e3 \u0111\u01b0\u1ee3c ph\u00ea duy\u1ec7t, t\u1eeb \u0111\u00f3 h\u1ecd \u0111\u00f3ng vai tr\u00f2 nh\u01b0 ng\u01b0\u1eddi \u0111i\u1ec1u ti\u1ebft cho h\u1ec7 th\u1ed1ng.&nbsp;<\/p>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><img fetchpriority=\"high\" decoding=\"async\" src=\"https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/04\/a2-5.jpg\" alt=\"PoA, Proof of Authority, PoW, Proof of Work, PoS, Proof of Stake\" class=\"wp-image-15538\" width=\"900\" height=\"600\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"2_Van_de_ma_Proof_of_Authority_giai_quyet\"><\/span>2. V\u1ea5n \u0111\u1ec1 m\u00e0 Proof of Authority gi\u1ea3i quy\u1ebft<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Khi m\u00e0 Proof of Work \u0111\u00e3 qu\u00e1 t\u1ed1n k\u00e9m v\u00e0 l\u1ed7i th\u1eddi, th\u00ec Proof of Stake n\u1ed5i l\u00ean nh\u01b0 m\u1ed9t s\u1ef1 l\u1ef1a ch\u1ecdn t\u1ed1i \u01b0u h\u01a1n, thay th\u1ebf cho PoW. \u0110i\u1ec3m m\u1ea1nh c\u1ee7a PoS r\u1ea5t c\u1ee5 th\u1ec3:<\/p>\n\n\n\n<p>&#8211; PoS mang t\u1edbi \u0111\u1ed9ng l\u1ef1c t\u00e0i ch\u00ednh m\u1ea1nh m\u1ebd h\u01a1n cho c\u00e1c nh\u00e0 ki\u1ec3m duy\u1ec7t ho\u1ea1t \u0111\u1ed9ng<\/p>\n\n\n\n<p>&#8211; Kh\u00f4ng \u0111\u00f2i h\u1ecfi nh\u1eefng thi\u1ebft b\u1ecb chuy\u00ean d\u1ee5ng v\u00e0 n\u1ed7 l\u1ef1c t\u00ednh to\u00e1n<\/p>\n\n\n\n<p>&#8211; Mang t\u1edbi c\u01a1 h\u1ed9i m\u1edbi cho Sharding (ph\u00e2n \u0111o\u1ea1n) v\u00e0 kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng cho m\u1ea1ng l\u01b0\u1edbi Blockchain trong t\u01b0\u01a1ng lai<\/p>\n\n\n\n<p>S\u1ebd kh\u00f4ng c\u00f3 g\u00ec ng\u1ea1c nhi\u00ean n\u1ebfu <a href=\"https:\/\/www.fiahub.com\">Ethereum<\/a> &#8211; m\u1ea1ng l\u01b0\u1edbi Blockchain l\u1edbn th\u1ee9 hai th\u1ecb tr\u01b0\u1eddng crypto, \u0111ang chuy\u1ec3n \u0111\u1ed5i t\u1eeb Proof of Work sang Proof of Stake. Nh\u01b0ng Proof of Stake c\u00f3 m\u1ed9t v\u00e0i nh\u01b0\u1ee3c \u0111i\u1ec3m:<\/p>\n\n\n\n<p>&#8211; Proof of Stake ho\u1ea1t \u0111\u1ed9ng th\u00f4ng qua gi\u1ea3 \u0111\u1ecbnh r\u1eb1ng ng\u01b0\u1eddi c\u00f3 token c\u00f3 th\u1ec3 stake trong m\u1ea1ng l\u01b0\u1edbi, s\u1ebd \u0111\u01b0\u1ee3c khuy\u1ebfn kh\u00edch h\u00e0nh \u0111\u1ed9ng v\u00ec l\u1ee3i \u00edch c\u1ee7a m\u1ea1ng; n\u1ebfu kh\u00f4ng th\u00ec h\u1ecd c\u00f3 kh\u1ea3 n\u0103ng m\u1ea5t \u0111i l\u01b0\u1ee3ng token c\u1ee7a m\u00ecnh.&nbsp;<\/p>\n\n\n\n<p>\u0110i\u1ec1u n\u00e0y ngh\u0129a l\u00e0 gi\u1ea3 \u0111\u1ecbnh s\u1ed1 l\u01b0\u1ee3ng token c\u1ee7a ng\u01b0\u1eddi d\u00f9ng c\u00e1c l\u1edbn th\u00ec c\u00e0ng c\u00f3 \u0111\u1ed9ng l\u1ef1c ch\u0103m s\u00f3c cho s\u1ef1 th\u00e0nh c\u00f4ng c\u1ee7a m\u1ea1ng l\u01b0\u1edbi; nh\u01b0ng n\u00f3 l\u1ea1i thi\u1ebfu ch\u1eb7t ch\u1ebd khi d\u00f9 cho c\u1ed5 ph\u1ea7n t\u01b0\u01a1ng \u0111\u01b0\u01a1ng nhau nh\u01b0ng c\u00f3 th\u1ec3 kh\u00f4ng \u0111\u01b0\u1ee3c ng\u01b0\u1eddi n\u1eafm gi\u1eef \u0111\u1ecbnh gi\u00e1 nh\u01b0 nhau.<\/p>\n\n\n\n<p>\u0110i\u1ec1u n\u00e0y l\u00e0 c\u01a1 h\u1ed9i cho <strong>Proof of Authority<\/strong> c\u1ea3i thi\u1ec7n. Thu\u1eadt to\u00e1n <strong>PoA<\/strong> thay v\u00ec t\u1eadp trung v\u00e0o gi\u00e1 tr\u1ecb kinh t\u1ebf m\u00e0 token mang l\u1ea1i th\u00ec ng\u01b0\u1eddi tham gia s\u1ebd x\u00e1c \u0111\u1ecbnh danh t\u00ednh c\u1ee7a h\u1ecd.<\/p>\n\n\n\n<p>Nh\u00e0 ki\u1ec3m duy\u1ec7t c\u1ee7a h\u1ec7 th\u1ed1ng <strong>PoA<\/strong> l\u00e0 nh\u1eefng th\u1ef1c th\u1ec3 \u0111\u01b0\u1ee3c bi\u1ebft \u0111\u1ebfn, h\u1ecd stake ch\u00ednh uy t\u00edn c\u1ee7a m\u00ecnh l\u00ean \u0111\u1ea7u ti\u00ean \u0111\u1ec3 c\u00f3 th\u1ec3 x\u00e1c th\u1ef1c c\u00e1c kh\u1ed1i. \u0110i\u1ec1u n\u00e0y gi\u00fap lo\u1ea1i b\u1ecf s\u1ef1 c\u1ea7n thi\u1ebft khi xem x\u00e9t m\u1ee9c ch\u00eanh l\u1ec7ch ti\u1ec1n t\u1ec7 gi\u1eefa nh\u1eefng nh\u00e0 ki\u1ec3m duy\u1ec7t v\u00e0 gi\u00fap cho m\u1ecdi ng\u01b0\u1eddi tham d\u1ef1 v\u00e0o m\u1ea1ng l\u01b0\u1edbi \u0111\u1ec1u c\u00f3 \u0111\u1ed9ng l\u1ef1c l\u00e0m vi\u1ec7c cho s\u1ef1 th\u00e0nh c\u00f4ng c\u1ee7a m\u1ea1ng l\u01b0\u1edbi.&nbsp;<\/p>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><img decoding=\"async\" src=\"https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/04\/a1-9.jpg\" alt=\"PoA, Proof of Authority, PoW, Proof of Work, PoS, Proof of Stake\" class=\"wp-image-15537\" width=\"900\" height=\"600\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"3_Uu_diem_va_han_che_cua_PoA\"><\/span>3. \u01afu \u0111i\u1ec3m v\u00e0 h\u1ea1n ch\u1ebf c\u1ee7a PoA<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p><strong>PoA<\/strong> y\u00eau c\u1ea7u x\u00e1c th\u1ef1c danh t\u00ednh, nh\u01b0ng th\u1ef1c t\u1ebf \u0111i\u1ec1u n\u00e0y kh\u00e1 b\u1ea5t kh\u1ea3 thi v\u1edbi nh\u1eefng Blockchain c\u00f4ng khai nh\u01b0 Ethereum v\u00e0 <a href=\"https:\/\/www.fiahub.com\">Bitcoin<\/a> v\u1ed1n c\u00f3 h\u00e0ng ngh\u00ecn Validator Node. \u0110i\u1ec1u n\u00e0y c\u0169ng l\u00e0 l\u00fd do m\u00e0 c\u00e1c m\u1ea1ng <strong>PoA<\/strong> th\u01b0\u1eddng c\u00f3 \u00edt Validator Node v\u00e0 khi\u1ebfn cho ch\u00fang \u00edt phi t\u1eadp trung h\u01a1n. \u0110i\u1ec1u n\u00e0y c\u0169ng mang t\u1edbi t\u00e1c \u0111\u1ed9ng t\u00edch c\u1ef1c v\u1ec1 kh\u1ea3 n\u0103ng cung c\u1ea5p th\u00f4ng l\u01b0\u1ee3ng cao h\u01a1n.&nbsp;<\/p>\n\n\n\n<p>T\u01b0\u01a1ng t\u1ef1 PoS, PoA kh\u00f4ng c\u1ea7n n\u1ed7 l\u1ef1c t\u00ednh to\u00e1n hay thi\u1ebft b\u1ecb chuy\u00ean d\u1ee5ng cao. B\u00ean c\u1ea1nh \u0111\u00f3, c\u00e1c m\u1ea1ng <strong>PoA<\/strong> c\u0169ng th\u01b0\u1eddng ch\u1ea5p nh\u1eadn c\u00e1c th\u1ef1c th\u1ebf c\u00f3 uy t\u00edn l\u00e2u n\u0103m l\u00e0m ng\u01b0\u1eddi x\u00e1c th\u1ef1c c\u1ee7a m\u00ecnh &#8211; ngh\u0129a l\u00e0 m\u1ed9t ng\u01b0\u1eddi b\u00ecnh th\u01b0\u1eddng kh\u00f3 c\u00f3 c\u01a1 h\u1ed9i.<\/p>\n\n\n\n<p><strong>PoA<\/strong>, PoW hay PoW \u0111\u1ec1u c\u00f3 nh\u1eefng \u0111i\u1ec3m m\u1ea1nh v\u00e0 y\u1ebfu ri\u00eang. C\u1ed9ng \u0111\u1ed3ng ti\u1ec1n \u0111i\u1ec7n t\u1eed r\u1ea5t coi tr\u1ecdng t\u00ednh phi t\u1eadp trung v\u00e0 PoA l\u00e0 c\u01a1 ch\u1ebf \u0111\u1ed3ng thu\u1eadn \u0111\u00e1nh \u0111\u1ed5i s\u1ef1 phi t\u1eadp trung \u0111\u1ec3 l\u1ea5y kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng v\u00e0 hi\u1ec7u su\u1ea5t cao.&nbsp;<\/p>\n\n\n\n<p><strong>Proof of Authority<\/strong> c\u0169ng l\u00e0 m\u1ed9t c\u00e1ch ti\u1ebfp c\u1eadn th\u00fa v\u1ecb kh\u00f4ng n\u00ean b\u1ecf qua v\u00e0 c\u0169ng l\u00e0 m\u1ed9t gi\u1ea3i ph\u00e1p Blockchain ph\u00f9 h\u1ee3p cho nh\u1eefng \u1ee9ng d\u1ee5ng Blockchain kh\u00f4ng \u01b0u ti\u00ean s\u1ef1 phi t\u1eadp trung.&nbsp;<\/p>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><img decoding=\"async\" src=\"https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/04\/a3-1.jpg\" alt=\"PoA, Proof of Authority, PoW, Proof of Work, PoS, Proof of Stake\" class=\"wp-image-15539\" width=\"900\" height=\"600\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"4_Nhung_Blockchain_nao_dang_su_dung_thuat_toan_PoA\"><\/span>4. Nh\u1eefng Blockchain n\u00e0o \u0111ang s\u1eed d\u1ee5ng thu\u1eadt to\u00e1n PoA<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Hi\u1ec7n nay, <em>Exchange Chains <\/em>l\u00e0 m\u1ed9t h\u1ec7 th\u1ed1ng \u0111ang \u1ee9ng d\u1ee5ng Proof of Authority v\u00e0 kh\u00f4ng \u01b0u ti\u00ean kh\u1ea3 n\u0103ng phi t\u1eadp trung. Thay v\u00e0o \u0111\u00f3 h\u1ecd c\u1ea7n m\u1ed9t h\u1ec7 sinh th\u00e1i v\u1edbi kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng \u0111\u01a1n gi\u1ea3n gi\u00fap c\u00e1c s\u1ea3n giao d\u1ecbch v\u00e0 nh\u1eefng tr\u01b0\u1eddng h\u1ee3p \u1ee9ng d\u1ee5ng native token c\u1ee7a d\u1ef1 \u00e1n di\u1ec5n ra nhanh ch\u00f3ng.&nbsp;<\/p>\n\n\n\n<p>Ngo\u00e0i ra c\u00f2n c\u00f3 c\u00e1c Blockchain kh\u00e1c nh\u01b0 <em>OKExChain<\/em> hay <em>HECO, Cronos<\/em>\u2026 c\u0169ng \u1ee9ng d\u1ee5ng thu\u1eadt to\u00e1n <strong>Proof of Authority<\/strong>. \u0110\u00e2y v\u1eabn l\u00e0 m\u1ed9t thu\u1eadt to\u00e1n \u0111ang \u0111\u01b0\u1ee3c ph\u00e1t tri\u1ec3n v\u00e0 n\u00e2ng c\u1ea5p trong t\u01b0\u01a1ng lai; c\u00e0ng l\u00e0 m\u1ea3nh gh\u00e9p kh\u00f4ng th\u1ec3 thi\u1ebfu c\u1ee7a kh\u00eda c\u1ea1nh Multi-chain.&nbsp;<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"5_Ket_luan\"><\/span>5. K\u1ebft lu\u1eadn<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>V\u1eady l\u00e0 ch\u00fang ta \u0111\u00e3 c\u00f9ng nhau \u0111i\u1ec3m qua nh\u1eefng th\u00f4ng tin c\u1ea7n bi\u1ebft v\u1ec1 Proof of Authority v\u00e0 c\u01a1 ch\u1ebf ho\u1ea1t \u0111\u1ed9ng c\u1ee7a n\u00f3. C\u1ea3m \u01a1n s\u1ef1 theo d\u00f5i v\u00e0 \u0111\u00f3n \u0111\u1ecdc c\u1ee7a c\u00e1c b\u1ea1n. \u0110\u1eebng qu\u00ean, m\u1ecdi th\u1eafc m\u1eafc v\u1ec1 th\u1ecb tr\u01b0\u1eddng ti\u1ec1n \u0111i\u1ec7n t\u1eed, vui l\u00f2ng li\u00ean h\u1ec7 \u0111\u1ed9i ng\u0169 Support c\u1ee7a <a href=\"https:\/\/www.fiahub.com\">Fiahub<\/a> 24\/7.<\/p>\n\n\n\n<p>Sau c\u00f9ng, ch\u00fac c\u00e1c b\u1ea1n \u0111\u1ea7u t\u01b0 th\u00e0nh c\u00f4ng v\u1edbi th\u1ecb tr\u01b0\u1eddng crypto nh\u00e9!<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Ch\u00fang ta \u0111\u00e3 nghe nhi\u1ec1u v\u1ec1 c\u01a1 ch\u1ebf \u0111\u1ed3ng thu\u1eadn nh\u01b0 b\u1eb1ng ch\u1ee9ng c\u00f4ng vi\u1ec7c Proof of Work hay b\u1eb1ng ch\u1ee9ng c\u1ed5 ph\u1ea7n Proof of Stake. V\u1eabn c\u00f2n r\u1ea5t nhi\u1ec1u c\u01a1 ch\u1ebf \u0111\u1ed3ng thu\u1eadn kh\u00e1c \u0111\u01b0a ra nhi\u1ec1u ph\u01b0\u01a1ng ph\u00e1p thay th\u1ebf trong Blockchain, m\u1ed9t trong \u0111\u00f3 ph\u1ea3i k\u1ec3 t\u1edbi Proof of Authority hay PoA.&nbsp;<\/p>\n","protected":false},"author":24,"featured_media":15543,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[21850],"tags":[],"class_list":{"0":"post-15536","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-tu-dien-crypto"},"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v25.0 (Yoast SEO v26.6) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Proof of Authority (PoA) v\u00e0 c\u01a1 ch\u1ebf ho\u1ea1t \u0111\u1ed9ng - Fiahub<\/title>\n<meta name=\"description\" content=\"B\u00e0i vi\u1ebft h\u00f4m nay, h\u00e3y c\u00f9ng Fiahub t\u00ecm hi\u1ec3u v\u1ec1 Proof of Authority (PoA) v\u00e0 c\u01a1 ch\u1ebf ho\u1ea1t \u0111\u1ed9ng c\u1ee7a thu\u1eadt to\u00e1n \u0111\u1ed3ng thu\u1eadn n\u00e0y nh\u00e9.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.fiahub.com\/blog\/proof-of-authority-poa-va-co-che-hoat-dong\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Proof of Authority (PoA) v\u00e0 c\u01a1 ch\u1ebf ho\u1ea1t \u0111\u1ed9ng\" \/>\n<meta property=\"og:description\" content=\"B\u00e0i vi\u1ebft h\u00f4m nay, h\u00e3y c\u00f9ng Fiahub t\u00ecm hi\u1ec3u v\u1ec1 Proof of Authority (PoA) v\u00e0 c\u01a1 ch\u1ebf ho\u1ea1t \u0111\u1ed9ng c\u1ee7a thu\u1eadt to\u00e1n \u0111\u1ed3ng thu\u1eadn n\u00e0y nh\u00e9.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.fiahub.com\/blog\/proof-of-authority-poa-va-co-che-hoat-dong\/\" \/>\n<meta property=\"og:site_name\" content=\"Fiahub Blog\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/FiahubVN\/\" \/>\n<meta property=\"article:published_time\" content=\"2022-04-18T08:27:00+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/04\/Fiahub_Glossary_DCA.png\" \/>\n\t<meta property=\"og:image:width\" content=\"1024\" \/>\n\t<meta property=\"og:image:height\" content=\"576\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"author\" content=\"Le Hoang\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@FIAHUBVN\" \/>\n<meta name=\"twitter:site\" content=\"@FIAHUBVN\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Le Hoang\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"7 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/www.fiahub.com\/blog\/proof-of-authority-poa-va-co-che-hoat-dong\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.fiahub.com\/blog\/proof-of-authority-poa-va-co-che-hoat-dong\/\"},\"author\":{\"name\":\"Le Hoang\",\"@id\":\"https:\/\/www.fiahub.com\/blog\/#\/schema\/person\/438ca2054bd04d8ef374b9dd54ed3418\"},\"headline\":\"Proof of Authority (PoA) v\u00e0 c\u01a1 ch\u1ebf ho\u1ea1t \u0111\u1ed9ng\",\"datePublished\":\"2022-04-18T08:27:00+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/www.fiahub.com\/blog\/proof-of-authority-poa-va-co-che-hoat-dong\/\"},\"wordCount\":1418,\"publisher\":{\"@id\":\"https:\/\/www.fiahub.com\/blog\/#organization\"},\"image\":{\"@id\":\"https:\/\/www.fiahub.com\/blog\/proof-of-authority-poa-va-co-che-hoat-dong\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/04\/Fiahub_Glossary_DCA.png\",\"articleSection\":[\"T\u1eeb \u0111i\u1ec3n Crypto\"],\"inLanguage\":\"en-US\"},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.fiahub.com\/blog\/proof-of-authority-poa-va-co-che-hoat-dong\/\",\"url\":\"https:\/\/www.fiahub.com\/blog\/proof-of-authority-poa-va-co-che-hoat-dong\/\",\"name\":\"Proof of Authority (PoA) v\u00e0 c\u01a1 ch\u1ebf ho\u1ea1t \u0111\u1ed9ng - 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