{"id":14552,"date":"2022-03-02T09:02:00","date_gmt":"2022-03-02T02:02:00","guid":{"rendered":"https:\/\/www.fiahub.com\/blog\/?p=14552"},"modified":"2022-03-10T19:08:27","modified_gmt":"2022-03-10T12:08:27","slug":"hieu-ro-ve-zk-rollup-va-optimistic-rollup-tren-ethereum-layer-2","status":"publish","type":"post","link":"https:\/\/www.fiahub.com\/blog\/hieu-ro-ve-zk-rollup-va-optimistic-rollup-tren-ethereum-layer-2\/","title":{"rendered":"Hi\u1ec3u r\u00f5 v\u1ec1 ZK Rollup v\u00e0 Optimistic Rollup tr\u00ean Ethereum Layer 2"},"content":{"rendered":"\n<p>G\u1ea7n \u0111\u00e2y, Polygon (Matic) v\u1eeba c\u00f4ng b\u1ed1 mua l\u1ea1i MIR Protocol v\u1edbi m\u1ee9c gi\u00e1 500 tri\u1ec7u USD nh\u1eb1m m\u1ee5c \u0111\u00edch t\u00edch h\u1ee3p c\u00e1c gi\u1ea3i ph\u00e1p c\u00f4ng ngh\u1ec7 ZK Rollup c\u1ee7a MIR v\u00e0o trong Blockchain hi\u1ec7n c\u00f3 c\u1ee7a m\u00ecnh. \u0110\u1ed3ng s\u00e1ng l\u1eadp c\u1ee7a Polygon Network &#8211; Sandeep Nailwal &#8211; \u0111\u00e3 chia s\u1ebb r\u1eb1ng: \u201c Zero-Knowledge l\u00e0 bi\u00ean gi\u1edbi cu\u1ed1i c\u00f9ng cho m\u1ee9c m\u1edf r\u1ed9ng c\u1ea5p \u0111\u1ed9n ngang Internet c\u1ee7a Blockchain\u201d.&nbsp;<\/p>\n\n\n\n<p>\u0110i\u1ec1u n\u00e0y \u0111\u1eb7t ra nh\u1eefng th\u1eafc m\u1eafc xoay quanh ZK Rollup v\u00e0 Optimistic Rollup tr\u00ean Ethereum Layer 2. B\u00e0i vi\u1ebft h\u00f4m nay, <a href=\"https:\/\/www.fiahub.com\">Fiahub<\/a> s\u1ebd c\u00f9ng b\u1ea1n t\u00ecm hi\u1ec3u nh\u00e9!<\/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\/hieu-ro-ve-zk-rollup-va-optimistic-rollup-tren-ethereum-layer-2\/#The_nao_la_Layer_2\" >Th\u1ebf n\u00e0o l\u00e0 Layer 2?<\/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\/hieu-ro-ve-zk-rollup-va-optimistic-rollup-tren-ethereum-layer-2\/#Optimistic_Rollup\" >Optimistic Rollup<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.fiahub.com\/blog\/hieu-ro-ve-zk-rollup-va-optimistic-rollup-tren-ethereum-layer-2\/#Tranh_chap_giao_dich\" >Tranh ch\u1ea5p giao d\u1ecbch<\/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\/hieu-ro-ve-zk-rollup-va-optimistic-rollup-tren-ethereum-layer-2\/#Uu_nhuoc_diem\" >\u01afu &amp; nh\u01b0\u1ee3c \u0111i\u1ec3m<\/a><\/li><\/ul><\/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\/hieu-ro-ve-zk-rollup-va-optimistic-rollup-tren-ethereum-layer-2\/#Zero-knowledge_Rollup\" >Zero-knowledge Rollup<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.fiahub.com\/blog\/hieu-ro-ve-zk-rollup-va-optimistic-rollup-tren-ethereum-layer-2\/#Uu_nhuoc_diem-2\" >\u01afu &amp; nh\u01b0\u1ee3c \u0111i\u1ec3m<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.fiahub.com\/blog\/hieu-ro-ve-zk-rollup-va-optimistic-rollup-tren-ethereum-layer-2\/#Ket_luan\" >K\u1ebft lu\u1eadn<\/a><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"The_nao_la_Layer_2\"><\/span>Th\u1ebf n\u00e0o l\u00e0 Layer 2?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>\u0110\u00e2y l\u00e0 thu\u1eadt ng\u1eef d\u00f9ng \u0111\u1ec3 n\u00f3i v\u1ec1 nh\u1eefng gi\u1ea3i ph\u00e1p gi\u00fap m\u1edf r\u1ed9ng Ethereum b\u1eb1ng vi\u1ec7c x\u1eed l\u00fd c\u00e1c giao d\u1ecbch off-chain c\u1ee7a Ethereum Mainnet (Layer 1); b\u1eb1ng vi\u1ec7c t\u1eadn d\u1ee5ng \u0111\u01b0\u1ee3c t\u00ednh b\u1ea3o m\u1eadt v\u00e0 ph\u00e2n quy\u1ec1n c\u1ee7a Layer 1.&nbsp;<\/p>\n\n\n\n<p>Gi\u1ea3i ph\u00e1p Layer 2 tr\u00ean Ethereum gi\u00fap t\u1ed1c \u0111\u1ed9 giao d\u1ecbch nhanh h\u01a1n \u0111\u00e1ng k\u1ec3, ph\u00ed gas gi\u1ea3m xu\u1ed1ng v\u00e0 t\u0103ng tr\u1ea3i nghi\u1ec7m ng\u01b0\u1eddi d\u00f9ng.&nbsp;<\/p>\n\n\n\n<p>Hai gi\u1ea3i ph\u00e1p scalling layer 2 ph\u1ed5 bi\u1ebfn hi\u1ec7n nay l\u00e0 ZK Rollups v\u00e0 Optimistic Rollups.&nbsp;<\/p>\n\n\n\n<p>Rollups l\u00e0 t\u1eadp h\u1ee3p nh\u1eefng gi\u1ea3i ph\u00e1p, gi\u00fap th\u1ef1c hi\u1ec7n c\u00e1c giao d\u1ecbch n\u1eb1m b\u00ean ngo\u00e0i chu\u1ed1i Ethereum (Layer 1) v\u00e0 tr\u1ea3 l\u1ea1i d\u1eef li\u1ec7u tr\u00ean Layer 1. D\u1eef li\u1ec7u giao d\u1ecbch \u1edf Layer 1 n\u00ean Rollup \u0111\u01b0\u1ee3c k\u1ebf th\u1eeba nh\u1eefng thu\u1ed9c t\u00ednh mang t\u00ednh b\u1ea3o m\u1eadt c\u1ee7a Layer 1 (Ethereum Blockchain) trong qu\u00e1 tr\u00ecnh th\u1ef1c thi giao d\u1ecbch b\u00ean ngo\u00e0i c\u1ee7a Layer 1. To\u00e0n b\u1ed9 qu\u00e1 tr\u00ecnh n\u00e0y th\u1ef1c hi\u1ec7n \u1edf Layer 1 v\u00e0 k\u1ebft qu\u1ea3 l\u01b0u l\u1ea1i tr\u00ean Layer 1.&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\/03\/a1-13.jpg\" alt=\"ZK Rollup, Optimistic Rollup, Ethereum Layer 2\" class=\"wp-image-14554\" width=\"900\" srcset=\"https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/03\/a1-13.jpg 993w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/03\/a1-13-300x181.jpg 300w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/03\/a1-13-150x91.jpg 150w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/03\/a1-13-768x464.jpg 768w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/03\/a1-13-450x272.jpg 450w\" sizes=\"(max-width: 993px) 100vw, 993px\" \/><\/figure>\n\n\n\n<p><strong>\u0110\u1eb7c \u0111i\u1ec3m:<\/strong><\/p>\n\n\n\n<p>&#8211; Giao d\u1ecbch th\u1ef1c hi\u1ec7n b\u00ean ngo\u00e0i Layer 1<\/p>\n\n\n\n<p>&#8211; D\u1eef li\u1ec7u hay b\u1eb1ng ch\u1ee9ng giao d\u1ecbch n\u1eb1m \u1edf Layer 1<\/p>\n\n\n\n<p>&#8211; H\u1ee3p \u0111\u1ed3ng th\u00f4ng minh \u1edf Layer 1 c\u00f3 th\u1ec3 ti\u1ebfn h\u00e0nh th\u1ef1c thi giao d\u1ecbch ch\u00ednh x\u00e1c tr\u00ean Layer 2 b\u1eb1ng vi\u1ec7c \u1ee9ng d\u1ee5ng d\u1eef li\u1ec7u giao d\u1ecbch l\u01b0u tr\u00ean Layer 1<\/p>\n\n\n\n<p>&#8211; Rollups y\u00eau c\u1ea7u nh\u00e0 khai th\u00e1c (Operator) c\u1ecdc m\u1ed9t ph\u1ea7n trong h\u1ee3p \u0111\u1ed3ng c\u1ee7a Rollup v\u00e0 khuy\u1ebfn kh\u00edch h\u1ecd x\u00e1c minh, th\u1ef1c hi\u1ec7n giao d\u1ecbch ch\u00ednh x\u00e1c h\u01a1n.&nbsp;<\/p>\n\n\n\n<p><strong>\u01afu \u0111i\u1ec3m:<\/strong><\/p>\n\n\n\n<p>&#8211; Ti\u1ebft ki\u1ec7m ph\u00ed gas<\/p>\n\n\n\n<p>&#8211; D\u1ec5 d\u00e0ng tham gia<\/p>\n\n\n\n<p>&#8211; T\u1ed1c \u0111\u1ed9 giao d\u1ecbch t\u0103ng<\/p>\n\n\n\n<p><strong>Ph\u00e2n lo\u1ea1i:<\/strong><\/p>\n\n\n\n<p>&#8211; Optimistic Rollups: m\u1eb7c \u0111\u1ecbnh gi\u1ea3 \u0111\u1ecbnh c\u00e1c giao d\u1ecbch ch\u00ednh x\u00e1c v\u00e0 ch\u1ec9 ch\u1ea1y t\u00ednh to\u00e1n th\u00f4ng qua b\u1eb1ng ch\u1ee9ng gian l\u1eadn khi c\u00f3 v\u1ea5n \u0111\u1ec1 x\u1ea3y ra<\/p>\n\n\n\n<p>&#8211; ZK Rollups (Zero-Knowledge Rollups): ch\u1ea1y off-chain t\u00ednh to\u00e1n v\u00e0 g\u1eedi b\u1eb1ng ch\u00ednh t\u00ednh to\u00e1n t\u1edbi chu\u1ed7i<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Optimistic_Rollup\"><\/span>Optimistic Rollup<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>\u0110\u00e2y l\u00e0 c\u00f4ng ngh\u1ec7 mang \u0111\u1ebfn c\u1ea3i ti\u1ebfn v\u1ec1 kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng v\u00ec kh\u00f4ng th\u1ef1c hi\u1ec7n b\u1ea5t k\u1ef3 t\u00ednh to\u00e1n m\u1eb7c \u0111\u1ecbnh n\u00e0o; m\u00e0 sau m\u1ed7i giao d\u1ecbch, thu\u1eadt to\u00e1n \u0111\u1ec1 xu\u1ea5t tr\u1ea1ng th\u00e1i m\u1edbi cho Mainnet ho\u1eb7c c\u1ea7n ph\u1ea3i ki\u1ec3m tra l\u1ea1i giao d\u1ecbch.&nbsp;<\/p>\n\n\n\n<p>C\u00e1c giao d\u1ecbch \u0111\u01b0\u1ee3c ghi v\u00e0o Layer 1 <a href=\"https:\/\/www.fiahub.com\">Ethereum<\/a> d\u01b0\u1edbi d\u1ea1ng th\u1ee9c Calldata, t\u1eeb \u0111\u00f3 t\u1ed1i \u01b0u h\u01a1n b\u1eb1ng vi\u1ec7c c\u1eaft gi\u1ea3m ph\u00ed gas.\u00a0<\/p>\n\n\n\n<p>Ethereum c\u00f3 nh\u01b0\u1ee3c \u0111i\u1ec3m l\u00e0 t\u00ednh to\u00e1n t\u1ed1n k\u00e9m v\u00e0 ch\u1eadm ch\u1ea1p, n\u00ean Optimistic Rollup mang \u0111\u1ebfn gi\u1ea3i ph\u00e1p c\u1ea3i ti\u1ebfn t\u1eeb 10-100 l\u1ea7n v\u1ec1 kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng. S\u1ef1 ra \u0111\u1eddi c\u1ee7a Shard Chains tr\u00ean Ethereum 2.0 l\u00e0m con s\u1ed1 n\u00e0y t\u0103ng l\u00ean v\u00ec c\u00f3 nhi\u1ec1u h\u01a1n d\u1eef li\u1ec7u n\u1ebfu giao d\u1ecbch b\u1ecb tranh ch\u1ea5p (disputed).<\/p>\n\n\n\n<p>V\u00ed d\u1ee5 r\u00f5 h\u01a1n \u0111\u1ec3 hi\u1ec3u: Khi b\u1ea1n \u0111\u00e3 18 tu\u1ed5i v\u00e0 c\u00f3 th\u1ec3 l\u00e1i xe, n\u1ebfu b\u1ea1n kh\u00f4ng ch\u1ee9ng minh \u0111\u01b0\u1ee3c \u0111i\u1ec1u n\u00e0y th\u00ec kh\u00f4ng ai tin \u0111i\u1ec1u b\u1ea1n n\u00f3i l\u00e0 \u0111\u00fang. Nh\u01b0ng n\u1ebfu trong kho\u1ea3ng 10 ng\u00e0y kh\u00f4ng ai ch\u1ee9ng minh \u0111\u01b0\u1ee3c b\u1ea1n kh\u00f4ng \u0111\u1ee7 18 tu\u1ed5i, th\u00ec b\u1ea1n v\u1eabn \u0111\u01b0\u1ee3c c\u00f4ng nh\u1eadn l\u00e0 18 tu\u1ed5i v\u00e0 c\u00f3 th\u1ec3 l\u00e1i xe.&nbsp;<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Tranh_chap_giao_dich\"><\/span>Tranh ch\u1ea5p giao d\u1ecbch<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Optimistic Rollup kh\u00f4ng th\u1ef1c hi\u1ec7n t\u00ednh to\u00e1n c\u00e1c giao d\u1ecbch, do \u0111\u00f3 c\u1ea7n m\u1ed9t c\u01a1 ch\u1ebf gi\u00fap b\u1ea3o \u0111\u1ea3m c\u00e1c giao d\u1ecbch kh\u00f4ng gian l\u1eadn, h\u1ee3p ph\u00e1p. B\u1ea1n c\u1ea7n c\u00f3 b\u1eb1ng ch\u1ee9ng gian l\u1eadn (Fraud Proof). Khi ai \u0111\u00f3 nh\u1eadn th\u1ea5y giao d\u1ecbch gian l\u1eadn th\u00ec Rollup s\u1ebd th\u1ef1c hi\u1ec7n ki\u1ec3m tra v\u00e0 t\u00ednh to\u00e1n giao d\u1ecbch, th\u00f4ng qua d\u1eef li\u1ec7u tr\u1ea1ng th\u00e1i s\u1eb5n c\u00f3. B\u1ea1n s\u1ebd c\u00f3 th\u1eddi gian ch\u1edd x\u00e1c nh\u1eadn giao d\u1ecbch l\u00e2u h\u01a1n so v\u1edbi ZK-Rollup v\u00ec giao d\u1ecbch \u0111ang b\u1ecb ki\u1ec3m ch\u1ee9ng l\u1ea1i.&nbsp;<\/p>\n\n\n\n<p>Chi ph\u00ed gas b\u1ea1n c\u1ea7n cho vi\u1ec7c t\u00ednh to\u00e1n b\u1eb1ng ch\u1ee9ng gian l\u1eadn s\u1ebd \u0111\u01b0\u1ee3c ho\u00e0n tr\u1ea3.&nbsp;<\/p>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><img fetchpriority=\"high\" decoding=\"async\" src=\"https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2022\/03\/a1-5-1024x400.png\" alt=\"ZK Rollup, Optimistic Rollup, Ethereum Layer 2\" class=\"wp-image-14553\" width=\"900\" height=\"600\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Uu_nhuoc_diem\"><\/span>\u01afu &amp; nh\u01b0\u1ee3c \u0111i\u1ec3m<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p><strong>\u01afu \u0111i\u1ec3m:<\/strong><\/p>\n\n\n\n<p>&#8211; C\u00f3 th\u1ec3 ti\u1ebfn h\u00e0nh m\u1ecdi th\u1ee9 t\u01b0\u01a1ng \u0111\u01b0\u01a1ng nh\u01b0 tr\u00ean Layer 1 Ethereum v\u00ec Optimistic Rollups t\u01b0\u01a1ng th\u00edch ho\u00e0n to\u00e0n v\u1edbi m\u00e1y ch\u1ee7 \u1ea3o c\u1ee7a Ethereum v\u00e0 ng\u00f4n ng\u1eef l\u1eadp tr\u00ecnh Ethereum<\/p>\n\n\n\n<p>&#8211; T\u1ea5t c\u1ea3 c\u00e1c d\u1eef li\u1ec7u giao d\u1ecbch \u0111\u01b0\u1ee3c l\u01b0u tr\u1eef t\u1ea1i Layer 1 n\u00ean ho\u00e0n to\u00e0n an to\u00e0n v\u00e0 phi t\u1eadp trung<\/p>\n\n\n\n<p><strong>Khuy\u1ebft \u0111i\u1ec3m<\/strong><\/p>\n\n\n\n<p>&#8211; T\u1ed1n th\u1eddi gian ch\u1edd \u0111\u1ee3i, l\u00ean t\u1edbi 10 ng\u00e0y v\u1edbi nh\u1eefng giao d\u1ecbch chu\u1ed7i c\u1ea7n ki\u1ec3m tra gian l\u1eadn<\/p>\n\n\n\n<p>&#8211; M\u1ed9t Operator c\u00f3 th\u1ec3 g\u00e2y \u1ea3nh h\u01b0\u1edfng l\u00ean th\u1ee9 t\u1ef1 giao d\u1ecbch<\/p>\n\n\n\n<p><strong><em>M\u1ed9t s\u1ed1 d\u1ef1 \u00e1n s\u1eed d\u1ee5ng Optimistic Rollup: Arbitrum, Optimism, Boba, Fuel Network, Cartesi\u2026&nbsp;<\/em><\/strong><\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Zero-knowledge_Rollup\"><\/span>Zero-knowledge Rollup<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>ZK Rollups gi\u00fap \u0111\u00f3ng g\u00f3i h\u00e0ng tr\u0103m giao d\u1ecbch chuy\u1ec3n ngo\u00e0i chu\u1ed7i v\u00e0 t\u1ea1o ra nh\u1eefng b\u1eb1ng ch\u1ee9ng m\u1eadt m\u00e3, v\u1edbi t\u00ean g\u1ecdi l\u00e0 SNARK; \u0111\u00e2y \u0111\u01b0\u1ee3c xem nh\u01b0 b\u1eb1ng ch\u1ee9ng h\u1ee3p l\u1ec7 v\u00e0 \u0111\u01b0\u1ee3c l\u01b0u tr\u00ean Layer 1.&nbsp;<\/p>\n\n\n\n<p>H\u1ee3p \u0111\u1ed3ng th\u00f4ng minh ZK Rollup duy tr\u00ec tr\u1ea1ng th\u00e1i c\u1ee7a t\u1ea5t c\u1ea3 c\u00e1c l\u1ea7n chuy\u1ec3n tr\u00ean Layer 2 v\u00e0 tr\u1ea1ng th\u00e1i n\u00e0y ch\u1ec9 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c c\u1eadp nh\u1eadt v\u1edbi m\u1ed9t b\u1eb1ng ch\u1ee9ng h\u1ee3p l\u1ec7. Vi\u1ec7c x\u00e1c th\u1ef1c kh\u1ed1i v\u00ec th\u1ebf s\u1ebd nhanh h\u01a1n, r\u1ebb h\u01a1n do c\u00f3 \u00edt d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c \u0111\u01b0a v\u00e0o.&nbsp;<\/p>\n\n\n\n<p>Kh\u00f4ng c\u00f3 s\u1ef1 ch\u1eadm tr\u1ec5 n\u00e0o khi chuy\u1ec3n t\u00e0i s\u1ea3n t\u1eeb Layer 2 sang Layer 1 v\u00ec b\u1eb1ng ch\u1ee9ng h\u1ee3p l\u1ec7 \u0111\u01b0\u1ee3c ch\u1ea5p nh\u1eadn b\u1edfi ZK Rollup Contract \u0111\u00e3 x\u00e1c minh t\u00e0i s\u1ea3n \u0111\u00f3.&nbsp;<\/p>\n\n\n\n<p>\u1ede Layer 2, ZK Rollup c\u00f3 th\u1ec3 t\u1ed1i \u01b0u ho\u00e1 nh\u1eb1m gi\u1ea3m quy m\u00f4 giao d\u1ecbch h\u01a1n n\u1eefa. V\u00ed d\u1ee5: m\u1ed9t t\u00e0i kho\u1ea3n \u0111\u01b0\u1ee3c \u0111\u1ea1i di\u1ec7n b\u1edfi m\u1ed9t ch\u1ec9 m\u1ee5c thay cho m\u1ed9t \u0111\u1ecba ch\u1ec9, gi\u1ea3m giao d\u1ecbch t\u1eeb 32 byte xu\u1ed1ng c\u00f2n 4 byte v\u00e0 \u0111\u01b0\u1ee3c ghi v\u00e0o Ethereum d\u01b0\u1edbi d\u1ea1ng Calldate, gi\u1ea3m \u0111\u00e1ng k\u1ec3 m\u1ed9t l\u01b0\u1ee3ng gas c\u1ea7n d\u00f9ng.&nbsp;<\/p>\n\n\n\n<p>V\u1edbi ZK Rollup, b\u1ea1n ch\u1ee9ng minh m\u00ecnh 18 tu\u1ed5i v\u00e0 c\u00f3 th\u1ec3 l\u00e1i xe m\u00e0 kh\u00f4ng c\u1ea7n cung c\u1ea5p Ch\u1ee9ng minh nh\u00e2n d\u00e2n, m\u00e0 thay b\u1eb1ng nh\u1eefng b\u1eb1ng ch\u1ee9ng kh\u00e1c.&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\/03\/a1-6.png\" alt=\"ZK Rollup, Optimistic Rollup, Ethereum Layer 2\" class=\"wp-image-14555\" width=\"900\" height=\"600\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Uu_nhuoc_diem-2\"><\/span>\u01afu &amp; nh\u01b0\u1ee3c \u0111i\u1ec3m<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p><strong>\u01afu \u0111i\u1ec3m<\/strong><\/p>\n\n\n\n<p>&#8211; Th\u1eddi gian ho\u00e0n thi\u1ec7n nhanh h\u01a1n do tr\u1ea1ng th\u00e1i x\u00e1c minh ngay l\u1eadp t\u1ee9c khi b\u1eb1ng ch\u1ee9ng \u0111\u01b0\u1ee3c g\u1eedi \u0111\u1ebfn chu\u1ed7i ch\u00ednh<\/p>\n\n\n\n<p>&#8211; Kh\u00f3 b\u1ecb t\u1ea5n c\u00f4ng nh\u01b0 Optimistic Rollup<\/p>\n\n\n\n<p>&#8211; Phi t\u1eadp trung v\u00e0 b\u1ea3o m\u1eadt, d\u1eef li\u1ec7u c\u1ea7n thi\u1ebft \u0111\u1ec3 kh\u00f4i ph\u1ee5c tr\u1ea1ng th\u00e1i \u0111\u01b0\u1ee3c l\u01b0u tr\u1eef tr\u00ean Layer 1.<\/p>\n\n\n\n<p><strong>Nh\u01b0\u1ee3c \u0111i\u1ec3m<\/strong><\/p>\n\n\n\n<p>&#8211; Ch\u1ec9 c\u00f3 th\u1ec3 ti\u1ebfn h\u00e0nh nh\u1eefng giao d\u1ecbch chuy\u1ec3n ti\u1ec1n \u0111\u01a1n gi\u1ea3n v\u00e0 kh\u00f4ng h\u1ed7 tr\u1ee3 EVM<\/p>\n\n\n\n<p>&#8211; H\u1ed7 tr\u1ee3 h\u1ee3p \u0111\u1ed9ng th\u00f4ng minh, h\u1ea1n ch\u1ebf khi d\u00f9ng dApps<\/p>\n\n\n\n<p>&#8211; B\u1eb1ng ch\u1ee9ng v\u1ec1 t\u00ednh h\u1ee3p l\u1ec7 kh\u00e1 kh\u00f3 t\u00ednh to\u00e1n<\/p>\n\n\n\n<p>&#8211; Operator c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng l\u00ean th\u1ee9 t\u1ef1 giao d\u1ecbch<\/p>\n\n\n\n<p><strong><em>M\u1ed9t s\u1ed1 d\u1ef1 \u00e1n s\u1eed d\u1ee5ng ZK Roppup: Starkware, Polygon Zero, Matter Labs zkSync\u2026&nbsp;<\/em><\/strong><\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Ket_luan\"><\/span>K\u1ebft lu\u1eadn<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>V\u1eady l\u00e0 b\u00e0i vi\u1ebft \u0111\u00e3 gi\u00fap b\u1ea1n hi\u1ec3u r\u00f5 v\u1ec1 ZK Rollup v\u00e0 Optimistic Rollup tr\u00ean Ethereum Layer 2 r\u1ed3i. Mong r\u1eb1ng b\u1ea1n \u0111\u1ecdc \u0111\u00e3 c\u00f3 th\u00eam nh\u1eefng c\u00e1i nh\u00ecn c\u1ee5 th\u1ec3 h\u01a1n v\u1ec1 hai lo\u1ea1i h\u00ecnh c\u00f4ng ngh\u1ec7 ho\u00e0n to\u00e0n m\u1edbi n\u00e0y.&nbsp;<\/p>\n\n\n\n<p>Sau c\u00f9ng, <a href=\"https:\/\/www.fiahub.com\">Fiahub<\/a> ch\u00fac c\u00e1c b\u1ea1n \u0111\u1ea7u t\u01b0 th\u00e0nh c\u00f4ng. \u0110\u1eebng qu\u00ean \u0111\u00f3n \u0111\u1ecdc nh\u1eefng b\u00e0i vi\u1ebft th\u00fa v\u1ecb ti\u1ebfp theo tr\u00ean website c\u1ee7a ch\u00fang t\u00f4i. M\u1ecdi th\u1eafc m\u1eafc v\u1ec1 th\u1ecb tr\u01b0\u1eddng ti\u1ec1n s\u1ed1, vui l\u00f2ng li\u00ean h\u1ec7 \u0111\u1ed9i ng\u0169 Support c\u1ee7a Fiahub 24\/7.\u00a0<\/p>\n","protected":false},"excerpt":{"rendered":"<p>G\u1ea7n \u0111\u00e2y, Polygon (Matic) v\u1eeba c\u00f4ng b\u1ed1 mua l\u1ea1i MIR Protocol v\u1edbi m\u1ee9c gi\u00e1 500 tri\u1ec7u USD nh\u1eb1m m\u1ee5c \u0111\u00edch t\u00edch h\u1ee3p c\u00e1c gi\u1ea3i ph\u00e1p c\u00f4ng ngh\u1ec7 ZK Rollup c\u1ee7a MIR v\u00e0o trong Blockchain hi\u1ec7n c\u00f3 c\u1ee7a m\u00ecnh. \u0110\u1ed3ng s\u00e1ng l\u1eadp c\u1ee7a Polygon Network &#8211; Sandeep Nailwal &#8211; \u0111\u00e3 chia s\u1ebb r\u1eb1ng: \u201c Zero-Knowledge l\u00e0<\/p>\n","protected":false},"author":24,"featured_media":14556,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[21850],"tags":[2740,3115,17761,22076,22075],"class_list":{"0":"post-14552","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-tu-dien-crypto","8":"tag-blockchain","9":"tag-ethereum","10":"tag-layer-2","11":"tag-optimistic-rollup","12":"tag-zk-rollup"},"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v25.0 (Yoast SEO v26.6) - 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