{"id":141841,"date":"2025-09-18T11:14:03","date_gmt":"2025-09-18T11:14:03","guid":{"rendered":"https:\/\/cryptonews.com\/vn\/?post_type=academy&#038;p=141841\/"},"modified":"2026-04-27T15:10:42","modified_gmt":"2026-04-27T15:10:42","slug":"what-is-ethereum","status":"publish","type":"academy","link":"https:\/\/cryptonews.com\/vn\/academy\/what-is-ethereum\/","title":{"rendered":"Ethereum L\u00e0 G\u00ec? M\u1ecdi Th\u1ee9 C\u1ea7n Bi\u1ebft V\u1ec1 Ethereum V\u00e0 ETH Coin"},"content":{"rendered":"<p>Ra m\u1eaft v\u00e0o n\u0103m 2015, Ethereum khi \u0111\u00f3 l\u00e0 blockchain v\u1edbi h\u1ee3p \u0111\u1ed3ng th\u00f4ng minh \u0111\u1ea7u ti\u00ean tr\u00ean th\u1ebf gi\u1edbi.<\/p><p>Ng\u00e0y nay, Ethereum v\u1eabn d\u1eabn \u0111\u1ea7u th\u1ecb tr\u01b0\u1eddng crypto v\u1edbi h\u00e0ng ch\u1ee5c t\u1ef7 USD \u0111\u01b0\u1ee3c kh\u00f3a trong c\u00e1c h\u1ee3p \u0111\u1ed3ng th\u00f4ng minh \u0111\u1ec3 ki\u1ebfm l\u1ee3i nhu\u1eadn, ho\u00e1n \u0111\u1ed5i token v\u00e0 v\u00f4 s\u1ed1 m\u1ee5c \u0111\u00edch s\u1eed d\u1ee5ng kh\u00e1c. Trong b\u00e0i vi\u1ebft n\u00e0y, ch\u00fang t\u00f4i s\u1ebd gi\u1ea3i th\u00edch cho b\u1ea1n <b>Ethereum l\u00e0 g\u00ec <\/b>c\u0169ng nh\u01b0 cung c\u1ea5p m\u1ecdi ki\u1ebfn th\u1ee9c m\u00e0 b\u1ea1n c\u1ea7n bi\u1ebft v\u1ec1 Ethereum V\u00e0 ETH Coin.<\/p><div class=\"su-note\" style=\"border-color:#e0d5e5;border-radius:3px;-moz-border-radius:3px;-webkit-border-radius:3px;\"><div class=\"su-note-inner su-u-clearfix su-u-trim\" style=\"background-color:#faefff;border-color:#ffffff;color:#333333;border-radius:3px;-moz-border-radius:3px;-webkit-border-radius:3px;\">\n<h2>Nh\u1eefng \u0111i\u1ec3m ch\u00ednh<\/h2>\n<p><span class=\"replacer\"><\/span><\/p>\n<ul>\n<li>Blockchain <a href=\"https:\/\/cryptonews.com\/vn\/coins\/ethereum\/\">Ethereum<\/a> s\u1eed d\u1ee5ng ether (ETH) l\u00e0m ti\u1ec1n \u0111i\u1ec7n t\u1eed c\u1ee7a m\u00ecnh. Ether ho\u1ea1t \u0111\u1ed9ng nh\u01b0 \u201cgas\u201d \u0111\u1ec3 v\u1eadn h\u00e0nh blockchain, thanh to\u00e1n cho c\u00e1c giao d\u1ecbch v\u00e0 t\u01b0\u01a1ng t\u00e1c v\u1edbi h\u1ee3p \u0111\u1ed3ng th\u00f4ng minh.<\/li>\n<li>H\u1ee3p \u0111\u1ed3ng th\u00f4ng minh c\u1ee7a Ethereum cho ph\u00e9p m\u1ea1ng l\u01b0\u1edbi cung c\u1ea5p nhi\u1ec1u ch\u1ee9c n\u0103ng h\u01a1n so v\u1edbi m\u1ed9t s\u1ed5 c\u00e1i phi t\u1eadp trung \u0111\u01a1n gi\u1ea3n nh\u01b0 Bitcoin.<\/li>\n<li>T\u1eeb gi\u00e1 tr\u1ecb d\u01b0\u1edbi m\u1ed9t \u0111\u00f4 la tr\u01b0\u1edbc khi ra m\u1eaft, ETH \u0111\u00e3 t\u0103ng v\u1ecdt l\u00ean g\u1ea7n 4.900 \u0111\u00f4 la v\u00e0o n\u0103m 2021, tr\u1edf th\u00e0nh m\u1ed9t trong nh\u1eefng kho\u1ea3n \u0111\u1ea7u t\u01b0 ti\u1ec1n \u0111i\u1ec7n t\u1eed c\u00f3 hi\u1ec7u su\u1ea5t cao nh\u1ea5t \u0111\u1ed1i v\u1edbi c\u00e1c nh\u00e0 \u0111\u1ea7u t\u01b0 s\u1edbm.<\/li>\n<li>C\u00e1c \u1ee9ng d\u1ee5ng phi t\u1eadp trung (dApps) tr\u00ean m\u1ea1ng Ethereum t\u1eadp trung v\u00e0o t\u00e0i ch\u00ednh phi t\u1eadp trung, bao g\u1ed3m cho vay, \u0111i vay v\u00e0 c\u00e1c s\u00e0n giao d\u1ecbch phi t\u1eadp trung n\u01a1i ng\u01b0\u1eddi d\u00f9ng c\u00f3 th\u1ec3 ho\u00e1n \u0111\u1ed5i token.<\/li>\n<\/ul>\n<\/div><\/div><h2>Ethereum (ETH) L\u00e0 G\u00ec?<\/h2><p><span class=\"replacer\"><\/span><br>\nEthereum l\u00e0 m\u1ed9t m\u1ea1ng l\u01b0\u1edbi phi t\u1eadp trung quy m\u00f4 to\u00e0n c\u1ea7u, g\u1ed3m c\u00e1c m\u00e1y t\u00ednh \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i tu\u00e2n theo m\u1ed9t b\u1ed9 quy t\u1eafc g\u1ecdi l\u00e0 giao th\u1ee9c <strong>Ethereum<\/strong>. Ng\u00f4n ng\u1eef l\u1eadp tr\u00ecnh g\u1ed1c c\u1ee7a m\u1ea1ng, Solidity, cho ph\u00e9p s\u1eed d\u1ee5ng c\u00e1c h\u1ee3p \u0111\u1ed3ng th\u00f4ng minh <strong>(smart contract),<\/strong> l\u00e0 c\u00e1c ch\u01b0\u01a1ng tr\u00ecnh m\u00e1y t\u00ednh ch\u1ea1y tr\u00ean ch\u00ednh m\u1ea1ng.<\/p><p>M\u1ed7i h\u1ee3p \u0111\u1ed3ng n\u00e0y t\u1ed3n t\u1ea1i t\u1ea1i m\u1ed9t \u0111\u1ecba ch\u1ec9 tr\u00ean m\u1ea1ng, v\u00e0 b\u1ea5t k\u1ef3 ai c\u0169ng c\u00f3 th\u1ec3 t\u01b0\u01a1ng t\u00e1c v\u1edbi c\u00e1c h\u1ee3p \u0111\u1ed3ng \u0111\u00f3 m\u00e0 kh\u00f4ng h\u1ec1 b\u1ecb gi\u1edbi h\u1ea1n v\u1ec1 th\u1eddi gian, kh\u00f4ng gian, ph\u1ea7n c\u1ee9ng.<\/p><p>C\u00e1c h\u1ee3p \u0111\u1ed3ng th\u00f4ng minh n\u00e0y cho ph\u00e9p Ethereum l\u01b0u tr\u1eef nhi\u1ec1u \u1ee9ng d\u1ee5ng kh\u00e1c nhau, t\u1eeb c\u00e1c \u1ee9ng d\u1ee5ng t\u00e0i ch\u00ednh phi t\u1eadp trung<strong> (DeFi)<\/strong> \u0111\u1ebfn giao d\u1ecbch t\u00e0i s\u1ea3n trong <a href=\"https:\/\/www.vista.gov.vn\/vi\/news\/xu-huong-nghien-cuu-cong-nghe\/cong-nghe-vu-tru-ao-metaverse-5739.html\" target=\"_blank\" rel=\"noopener nofollow\">th\u1ebf gi\u1edbi metaverse (v\u0169 tr\u1ee5 \u1ea3o)<\/a> cho \u0111\u1ebfn b\u1ecf phi\u1ebfu phi t\u1eadp trung\u2026<\/p><p>M\u1ea1ng Ethereum \u0111\u01b0\u1ee3c h\u1ed7 tr\u1ee3 b\u1edfi h\u01a1n m\u1ed9t tri\u1ec7u n\u00fat <strong>(node)<\/strong> x\u00e1c th\u1ef1c tr\u00ean to\u00e0n to\u00e0n c\u1ea7u, m\u1ed7i node ho\u1ea1t \u0111\u1ed9ng \u0111\u1ec3 c\u1eadp nh\u1eadt blockchain <strong>(chu\u1ed7i kh\u1ed1i)<\/strong> v\u00e0 x\u00e1c minh c\u00e1c giao d\u1ecbch.<\/p><p><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-122985 size-full aligncenter\" src=\"https:\/\/cryptonews.com\/wp-content\/uploads\/sites\/20\/2024\/02\/1708003341-tong-so-trinh-xac-thuc-ethereum.jpg\" alt=\"T\u1ed5ng s\u1ed1 tr\u00ecnh x\u00e1c th\u1ef1c Ethereum \" width=\"1200\" height=\"603\" srcset=\"https:\/\/cryptonews.com\/vn\/wp-content\/uploads\/sites\/20\/2024\/02\/1708003341-tong-so-trinh-xac-thuc-ethereum.jpg 1200w, https:\/\/cryptonews.com\/vn\/wp-content\/uploads\/sites\/20\/2024\/02\/1708003341-tong-so-trinh-xac-thuc-ethereum-300x151.jpg 300w, https:\/\/cryptonews.com\/vn\/wp-content\/uploads\/sites\/20\/2024\/02\/1708003341-tong-so-trinh-xac-thuc-ethereum-1024x515.jpg 1024w, https:\/\/cryptonews.com\/vn\/wp-content\/uploads\/sites\/20\/2024\/02\/1708003341-tong-so-trinh-xac-thuc-ethereum-768x386.jpg 768w\" sizes=\"auto, (max-width: 1200px) 100vw, 1200px\"><\/p><p style=\"text-align: center\"><i>T\u1ed5ng s\u1ed1 tr\u00ecnh x\u00e1c th\u1ef1c Ethereum \u2013 <strong>Ngu\u1ed3n:<\/strong> Glassnode<\/i><\/p><p>Th\u00f4ng th\u01b0\u1eddng, thu\u1eadt ng\u1eef Ethereum c\u0169ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 m\u00f4 t\u1ea3 \u0111\u1ed3ng ti\u1ec1n \u0111i\u1ec7n t\u1eed c\u1ee7a m\u1ea1ng Ethereum. M\u1eb7c d\u00f9 \u0111\u1ecbnh ngh\u0129a Ethereum n\u00e0y th\u1ef1c ch\u1ebf kh\u00f4ng ch\u00ednh x\u00e1c v\u1ec1 m\u1eb7t k\u1ef9 thu\u1eadt <strong>(Ether (ETH)<\/strong> m\u1edbi l\u00e0 \u0111\u1ed3ng ti\u1ec1n \u0111i\u1ec7n t\u1eed c\u1ee7a m\u1ea1ng Ethereum), b\u1ea1n v\u1eabn s\u1ebd th\u1ea5y c\u1ea3 hai thu\u1eadt ng\u1eef \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng song song, thay th\u1ebf cho nhau.<\/p><p>Trong th\u1ef1c t\u1ebf, <strong>ETH<\/strong> v\u1eeba l\u00e0 nhi\u00ean li\u1ec7u cho m\u1ea1ng, v\u1eeba l\u00e0 ph\u01b0\u01a1ng ti\u1ec7n trao \u0111\u1ed5i \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 mua h\u00e0ng h\u00f3a, c\u00e1c t\u00e0i s\u1ea3n kh\u00e1c ho\u1eb7c <a href=\"https:\/\/cryptonews.com\/vn\/academy\/who-accepts-ethereum\/\" target=\"_blank\" rel=\"noopener nofollow\">s\u1eed d\u1ee5ng Ethereum \u0111\u1ec3 thanh to\u00e1n<\/a> d\u1ecbch v\u1ee5.<\/p><h2>L\u01b0\u1ee3c S\u1eed H\u00ecnh Th\u00e0nh, Ph\u00e1t Tri\u1ec3n C\u1ee7a Ethereum<\/h2><p><span class=\"replacer\"><\/span><br>\nEthereum ban \u0111\u1ea7u \u0111\u01b0\u1ee3c h\u00ecnh th\u00e0nh, ra m\u1eaft v\u00e0o n\u0103m 2013 b\u1edfi <strong>Vitalik Buterin<\/strong>, m\u1ed9t l\u1eadp tr\u00ecnh vi\u00ean v\u00e0 \u0111\u1ed3ng s\u00e1ng l\u1eadp c\u1ee7a Bitcoin Magazine.<\/p><p>\u0110\u1ebfn n\u0103m 2014, Vitalik cho ra m\u1eaft <a href=\"https:\/\/ethereum.org\/whitepaper\" target=\"_blank\" rel=\"noopener nofollow\">s\u00e1ch tr\u1eafng Ethereum<\/a>, m\u1ed9t b\u1ea3n gi\u1ea3i th\u00edch s\u00e2u s\u1eafc v\u1ec1 l\u00fd thuy\u1ebft m\u1ea1ng l\u01b0\u1edbi blockchain, v\u1edbi c\u00e1c th\u00f4ng tin chi ti\u1ebft v\u1ec1 c\u00e1ch th\u1ee9c ho\u1ea1t \u0111\u1ed9ng c\u1ee7a n\u00f3. Trong b\u00e0i b\u00e1o th\u01b0\u1eddng \u0111\u01b0\u1ee3c tr\u00edch d\u1eabn, Vitalik \u0111\u00e3 m\u00f4 t\u1ea3 Ethereum l\u00e0 \u201c<a href=\"https:\/\/ethereum.org\/whitepaper#a-next-generation-smart-contract-and-decentralized-application-platform\" target=\"_blank\" rel=\"noopener nofollow\">H\u1ee3p \u0111\u1ed3ng th\u00f4ng minh v\u00e0 N\u1ec1n t\u1ea3ng \u1ee9ng d\u1ee5ng phi t\u1eadp trung th\u1ebf h\u1ec7 ti\u1ebfp theo<\/a>\u201d, tr\u00e1i ng\u01b0\u1ee3c v\u1edbi ng\u01b0\u1eddi \u0111\u00e0n anh ti\u1ec1n nhi\u1ec7m Bitcoin.<\/p><p>V\u00e0o th\u1eddi \u0111i\u1ec3m \u0111\u00f3, Bitcoin v\u1eabn \u0111ang l\u00e0 lo\u1ea1i ti\u1ec1n \u0111i\u1ec7n t\u1eed duy nh\u1ea5t chi\u1ebfm v\u1ecb tr\u00ed \u0111\u1ed9c t\u00f4n. <a href=\"https:\/\/www.youtube.com\/watch?v=l9dpjN3Mwps\" target=\"_blank\" rel=\"noopener nofollow\">Vitalik \u0111\u00e3 c\u00f4ng b\u1ed1 d\u1ef1 \u00e1n blockchain Ethereum m\u1edbi<\/a> t\u1ea1i H\u1ed9i ngh\u1ecb Bitcoin (Bitcoin Conference) B\u1eafc M\u1ef9 \u1edf Miami v\u00e0o th\u00e1ng 01 n\u0103m 2014.<\/p><p>Nhi\u1ec1u chuy\u00ean gia trong l\u0129nh v\u1ef1c blockchain \u0111\u00e3 l\u00e0m vi\u1ec7c c\u00f9ng nhau \u0111\u1ec3 \u0111\u01b0a Ethereum v\u00e0o cu\u1ed9c s\u1ed1ng, ngo\u00e0i Vitalik c\u00f2n c\u00f3 Gavin Wood, Anthony Di Iorio, Joseph Lubin v\u00e0 Charles Hoskinson. Amir Chetrit, Jeffrey Wilcke v\u00e0 Mihai Alisie c\u0169ng \u0111\u01b0\u1ee3c coi l\u00e0 nh\u1eefng ng\u01b0\u1eddi \u0111\u1ed3ng s\u00e1ng l\u1eadp d\u1ef1 \u00e1n Ethereum.<\/p><p>Gavin Wood sau \u0111\u00f3 ti\u1ebfp t\u1ee5c \u0111\u1ed3ng s\u00e1ng l\u1eadp <a href=\"https:\/\/polkadot.network\/about\/\" target=\"_blank\" rel=\"noopener nofollow\">Polkadot<\/a>, Charles Hoskinson sau \u0111\u00f3 \u0111\u1ed3ng s\u00e1ng l\u1eadp <a href=\"https:\/\/iohk.io\/en\/leadership\/charles-hoskinson\" target=\"_blank\" rel=\"noopener nofollow\">Cardano<\/a>, c\u00f2n Joseph Lubin \u0111\u01b0\u1ee3c bi\u1ebft \u0111\u1ebfn v\u1edbi t\u01b0 c\u00e1ch l\u00e0 <a href=\"https:\/\/consensys.io\/about\/joseph-lubin-founder-of-consensys\" target=\"_blank\" rel=\"noopener nofollow\">ng\u01b0\u1eddi s\u00e1ng l\u1eadp Consensys<\/a>, c\u00f4ng ty blockchain \u0111\u1ee9ng \u0111\u1eb1ng sau v\u00ed ti\u1ec1n \u0111i\u1ec7n t\u1eed c\u1ef1c n\u1ed5i ti\u1ebfng MetaMask \u2013 <strong>m\u1ed9t trong c\u00e1c v\u00ed Ethereum r\u1ea5t hay \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng.<\/strong><\/p><p>Qu\u00e1 tr\u00ecnh ph\u00e1t tri\u1ec3n Ethereum ti\u1ebfp t\u1ee5c trong su\u1ed1t n\u0103m 2014, trong th\u1eddi gian \u0111\u00f3 nh\u00f3m \u0111\u00e3 x\u00e2y d\u1ef1ng Frontier, phi\u00ean b\u1ea3n tr\u1ef1c ti\u1ebfp \u0111\u1ea7u ti\u00ean c\u1ee7a blockchain Ethereum.<\/p><p>V\u00e0o ng\u00e0y 30 th\u00e1ng 7 n\u0103m 2015, m\u1ea1ng Ethereum \u0111i v\u00e0o ho\u1ea1t \u0111\u1ed9ng ch\u00ednh th\u1ee9c, ra m\u1eaft Genesis Block, ch\u1ee9a g\u1ea7n 8.900 giao d\u1ecbch.<\/p><p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-122986 size-full lazyload\" src=\"https:\/\/cimg.co\/p\/no_image.svg\" alt=\"Genesis Block\" width=\"1200\" height=\"516\" sizes=\"auto, (max-width: 1200px) 100vw, 1200px\" data-src=\"https:\/\/cryptonews.com\/wp-content\/uploads\/sites\/20\/2024\/02\/1708003562-genesis-block.jpg\" data-srcset=\"https:\/\/cryptonews.com\/vn\/wp-content\/uploads\/sites\/20\/2024\/02\/1708003562-genesis-block.jpg 1200w, https:\/\/cryptonews.com\/vn\/wp-content\/uploads\/sites\/20\/2024\/02\/1708003562-genesis-block-300x129.jpg 300w, https:\/\/cryptonews.com\/vn\/wp-content\/uploads\/sites\/20\/2024\/02\/1708003562-genesis-block-1024x440.jpg 1024w, https:\/\/cryptonews.com\/vn\/wp-content\/uploads\/sites\/20\/2024\/02\/1708003562-genesis-block-768x330.jpg 768w\"><\/p><p>Frontier \u0111\u00e3 cung c\u1ea5p cho nh\u1eefng ng\u01b0\u1eddi khai th\u00e1c Ethereum khu\u00f4n kh\u1ed5 c\u01a1 b\u1ea3n \u0111\u1ea7u ti\u00ean \u0111\u1ec3 b\u1eaft \u0111\u1ea7u khai th\u00e1c ether v\u00e0 b\u1ea3o m\u1eadt m\u1ea1ng. Th\u1eddi \u0111i\u1ec3m ra m\u1eaft ban \u0111\u1ea7u, m\u1ea1ng Ethereum c\u0169ng \u0111\u00e3 s\u1eed d\u1ee5ng c\u01a1 ch\u1ebf \u0111\u1ed3ng thu\u1eadn b\u1eb1ng ch\u1ee9ng c\u00f4ng vi\u1ec7c <strong>(proof-of-work),<\/strong> gi\u1ed1ng nh\u01b0 Bitcoin.<\/p><p>C\u01a1 ch\u1ebf \u0111\u1ed3ng thu\u1eadn b\u1eb1ng ch\u1ee9ng c\u00f4ng vi\u1ec7c y\u00eau c\u1ea7u ng\u01b0\u1eddi khai th\u00e1c \u0111\u1ea7u t\u01b0 ngu\u1ed3n l\u1ef1c (c\u1ee5 th\u1ec3 l\u00e0 \u0111i\u1ec7n n\u0103ng) \u0111\u1ec3 gi\u1ea3i quy\u1ebft nonce \u2013<strong> \u201cnumber used once\u201d (s\u1ed1 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng duy nh\u1ea5t m\u1ed9t l\u1ea7n).<\/strong><\/p><p>Ethereum v\u1ec1 sau \u0111\u00e3 chuy\u1ec3n \u0111\u1ed5i sang c\u01a1 ch\u1ebf \u0111\u1ed3ng thu\u1eadn b\u1eb1ng ch\u1ee9ng c\u1ed5 ph\u1ea7n (proof-of-stake), m\u1ed9t c\u01a1 ch\u1ebf \u0111\u1ed3ng thu\u1eadn \u00edt ti\u00eau t\u1ed1n n\u0103ng l\u01b0\u1ee3ng h\u01a1n, l\u1ea7n \u0111\u1ea7u ti\u00ean \u0111\u01b0\u1ee3c \u0111\u1ec1 xu\u1ea5t trong <a href=\"https:\/\/www.peercoin.net\/read\/papers\/peercoin-paper.pdf\" target=\"_blank\" rel=\"noopener nofollow\">s\u00e1ch tr\u1eafng n\u0103m 2012 c\u1ee7a Peercoin<\/a>.<\/p><h2>C\u00e1ch Th\u1ee9c Ho\u1ea1t \u0110\u1ed9ng C\u1ee7a Ethereum<\/h2><p><span class=\"replacer\"><\/span><br>\nEthereum s\u1eed d\u1ee5ng blockchain, gi\u1ed1ng nh\u01b0 Bitcoin, nh\u00f3m c\u00e1c giao d\u1ecbch th\u00e0nh c\u00e1c block (kh\u1ed1i) v\u00e0 sau \u0111\u00f3 li\u00ean k\u1ebft c\u00e1c kh\u1ed1i n\u00e0y b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng h\u00e0m <strong>Cryptographic Hash<\/strong> (h\u00e0m b\u0103m m\u1eadt m\u00e3) \u0111\u1ec3 t\u1ea1o ra m\u1ed9t chain (chu\u1ed7i).<\/p><p>Tuy nhi\u00ean, \u0111i\u1ec3m kh\u00e1c bi\u1ec7t gi\u1eefa Ethereum v\u1edbi Bitcoin l\u00e0 kh\u1ea3 n\u0103ng h\u1ed7 tr\u1ee3 c\u00e1c h\u1ee3p \u0111\u1ed3ng th\u00f4ng minh m\u1ea1nh m\u1ebd v\u00e0 ph\u1ee9c t\u1ea1p c\u1ee7a Ethereum.<\/p><p>\u0110i\u1ec1u n\u00e0y cho ph\u00e9p Ethereum s\u1edf h\u1eefu lo\u1ea1i ti\u1ec1n s\u1ed1 ri\u00eang <strong>(Ether)<\/strong> \u2013 t\u01b0\u01a1ng t\u1ef1 nh\u01b0 Bitcoin, nh\u01b0ng c\u0169ng c\u00f3 kh\u1ea3 n\u0103ng s\u1eed d\u1ee5ng lo\u1ea1i ti\u1ec1n \u0111\u00f3 v\u00e0 c\u00e1c t\u00e0i s\u1ea3n k\u1ef9 thu\u1eadt s\u1ed1 kh\u00e1c theo nh\u1eefng c\u00e1ch s\u00e1ng t\u1ea1o \u0111\u1ed9c \u0111\u00e1o kh\u00f4ng gi\u1edbi h\u1ea1n.<\/p><p>Ethereum v\u1eeba \u0111\u00f3ng vai tr\u00f2 l\u00e0 blockchain, v\u1eeba l\u00e0 n\u1ec1n t\u1ea3ng ph\u1ea7n m\u1ec1m \u2013 v\u1eady n\u00ean nhi\u1ec1u chuy\u00ean gia m\u1edbi g\u1ecdi n\u00f3 l\u00e0 \u201cm\u00e1y t\u00ednh th\u1ebf gi\u1edbi\u201d (world computer).<\/p><h3>C\u00e1ch Ethereum Ho\u1ea1t \u0110\u1ed9ng Nh\u01b0 Th\u1ebf N\u00e0o?<\/h3><p><strong>Ethereum h\u1ed7 tr\u1ee3 c\u00e1c lo\u1ea1i giao d\u1ecbch ch\u00ednh sau \u0111\u00e2y:<\/strong><\/p><div class=\"su-list\" style=\"margin-left:0px\">\n<ul>\n<li><i class=\"sui sui-chevron-right\" style=\"color:#333\"><\/i> <b>Giao d\u1ecbch th\u00f4ng th\u01b0\u1eddng:<\/b> ETH \u0111\u01b0\u1ee3c g\u1eedi tr\u1ef1c ti\u1ebfp t\u1eeb \u0111\u1ecba ch\u1ec9 v\u00ed ti\u1ec1n \u0111i\u1ec7n t\u1eed n\u00e0y sang \u0111\u1ecba ch\u1ec9 v\u00ed kh\u00e1c.<\/li>\n<li><i class=\"sui sui-chevron-right\" style=\"color:#333\"><\/i> <b>Giao d\u1ecbch n\u1ed9i b\u1ed9:<\/b> Chuy\u1ec3n ETH b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng h\u1ee3p \u0111\u1ed3ng th\u00f4ng minh (smart contract) l\u00e0m trung gian.<\/li>\n<li><i class=\"sui sui-chevron-right\" style=\"color:#333\"><\/i> <b>Chuy\u1ec3n token: <\/b>Chuy\u1ec3n token ERC-20 ho\u1eb7c ERC-721.<\/li>\n<\/ul>\n<\/div><p><strong>\u0110\u1ec3 b\u1ea1n hi\u1ec3u r\u00f5 h\u01a1n v\u1ec1 c\u00e1c Ethereum ho\u1ea1t \u0111\u1ed9ng,<\/strong> h\u00e3y l\u1ea5y v\u00ed d\u1ee5 v\u1ec1 to\u00e0n b\u1ed9 qu\u00e1 tr\u00ecnh anh A g\u1eedi ETH cho anh B.<\/p><ol>\n<li><b>M\u1ed9t giao d\u1ecbch ti\u1ec1n \u0111i\u1ec7n t\u1eed \u0111\u01b0\u1ee3c t\u1ea1o b\u1edfi anh A.<\/b> V\u00ed d\u1ee5: Anh A mu\u1ed1n g\u1eedi cho anh B 20 ETH. Kho\u1ea3n thanh to\u00e1n c\u1ee7a anh A s\u1ebd bao g\u1ed3m ph\u00ed gas \u0111\u01b0\u1ee3c tr\u1ea3 b\u1eb1ng Ether.<\/li>\n<li><b>Giao d\u1ecbch \u0111\u01b0\u1ee3c b\u0103m (hash \u2013 m\u00e3 h\u00f3a b\u1eb1ng m\u1eadt m\u00e3) \u0111\u1ec3 t\u1ea1o ID giao d\u1ecbch, c\u00f2n \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 txhash.<\/b> \u0110\u1ec3 l\u00e0m cho giao d\u1ecbch tr\u1edf n\u00ean duy nh\u1ea5t v\u00e0 ng\u0103n ng\u1eeba m\u1ee9c chi ti\u00eau g\u1ea5p \u0111\u00f4i, h\u00e0m b\u0103m c\u0169ng bao g\u1ed3m m\u1ed9t nonce (s\u1ed1 ch\u1ec9 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng m\u1ed9t l\u1ea7n).<\/li>\n<li><b>Giao d\u1ecbch sau \u0111\u00f3 \u0111\u01b0\u1ee3c chuy\u1ec3n ph\u00e1t l\u00ean m\u1ea1ng Ethereum.<\/b> Ng\u01b0\u1eddi x\u00e1c nh\u1eadn ch\u1ecdn giao d\u1ecbch v\u00e0 \u0111\u01b0a n\u00f3 v\u00e0o m\u1ed9t block \u0111\u1ec3 x\u00e1c minh.<\/li>\n<li><b>M\u1ed9t t\u1eadp h\u1ee3p con c\u00e1c tr\u00ecnh x\u00e1c th\u1ef1c x\u00e1c minh r\u1eb1ng c\u00e1c giao d\u1ecbch trong block l\u00e0 tu\u00e2n th\u1ee7 \u0111\u00fang quy t\u1eafc. <\/b>N\u1ebfu c\u00e1c node (n\u00fat) x\u00e1c th\u1ef1c n\u00e0y \u0111\u1ed3ng \u00fd r\u1eb1ng c\u00e1c giao d\u1ecbch tu\u00e2n theo c\u00e1c quy t\u1eafc giao th\u1ee9c, th\u00ec block v\u00e0 c\u00e1c giao d\u1ecbch c\u1ee7a n\u00f3 s\u1ebd \u0111\u01b0\u1ee3c ho\u00e0n t\u1ea5t.<\/li>\n<\/ol><p>Cu\u1ed1i c\u00f9ng, \u0111\u1ecba ch\u1ec9 <a href=\"https:\/\/cryptonews.com\/vn\/cryptocurrency\/ethereum-wallet\/\">v\u00ed Ethereum<\/a> c\u1ee7a anh A s\u1ebd c\u1ea7n thanh to\u00e1n 20 ETH c\u1ed9ng v\u1edbi ph\u00ed gas \u0111\u00e3 tr\u1ea3; \u0110\u1ecba ch\u1ec9 v\u00ed ti\u1ec1n \u0111i\u1ec7n t\u1eed c\u1ee7a anh B s\u1ebd nh\u1eadn \u0111\u01b0\u1ee3c 20 ETH.<\/p><p>C\u00e1c giao d\u1ecbch ph\u1ee9c t\u1ea1p h\u01a1n ch\u1ea1y tr\u00ean M\u00e1y \u1ea3o Ethereum <strong>(EVM \u2013 Ethereum Virtual Machine),<\/strong> cung c\u1ea5p h\u1ed7 tr\u1ee3 cho c\u00e1c h\u1ee3p \u0111\u1ed3ng th\u00f4ng minh, \u0111\u1ed3ng th\u1eddi t\u00e1ch bi\u1ec7t c\u00e1c tr\u00ecnh x\u00e1c th\u1ef1c (validator) kh\u1ecfi m\u00e3 ch\u1ea1y trong m\u00f4i tr\u01b0\u1eddng \u1ea3o.<\/p><h3>Vai Tr\u00f2 C\u1ee7a Blockchain Trong Ethereum<\/h3><p><strong>Blockchain Ethereum<\/strong><\/p><p>ho\u1ea1t \u0111\u1ed9ng nh\u01b0 m\u1ed9t s\u1ed5 c\u00e1i (ledger), ngh\u0129a l\u00e0 nh\u01b0 m\u1ed9t b\u1ea3n ghi c\u00e1c giao d\u1ecbch v\u00e0 s\u1ed1 d\u01b0 \u0111\u1ecba ch\u1ec9 v\u00ed ti\u1ec1n \u0111i\u1ec7n t\u1eed. M\u1ed7i kh\u1ed1i (block) s\u1ebd nh\u01b0 l\u00e0 m\u1ed9t \u201cth\u00f9ng ch\u1ee9a\u201d c\u00e1c giao d\u1ecbch. <a href=\"https:\/\/ethereum.org\/developers\/docs\/blocks\" target=\"_blank\" rel=\"noopener nofollow\">M\u1ed7i kh\u1ed1i c\u0169ng ch\u1ee9a m\u1ed9t h\u00e0m b\u0103m c\u1ee7a c\u00e1c kh\u1ed1i tr\u01b0\u1edbc \u0111\u00f3<\/a>, li\u00ean k\u1ebft c\u00e1c kh\u1ed1i m\u1ed9t c\u00e1ch tu\u1ea7n t\u1ef1 li\u1ec1n m\u1ea1ch \u0111\u1ec3 t\u1ea1o th\u00e0nh m\u1ed9t chu\u1ed7i.<\/p><p><strong>V\u00ed d\u1ee5:<\/strong> kh\u1ed1i # <a href=\"https:\/\/etherscan.io\/block\/19085581\" target=\"_blank\" rel=\"noopener nofollow\">19085581<\/a> c\u00f3 hash (h\u00e0m b\u0103m) l\u00e0 0x507bd932708455f0e82df01550ee7e4a2d88ad11e3cd5d3d13f612625f5d6050. Gi\u00e1 tr\u1ecb n\u00e0y tr\u1edf th\u00e0nh m\u1ed9t ph\u1ea7n c\u1ee7a hash c\u1ee7a kh\u1ed1i ti\u1ebfp theo (<a href=\"https:\/\/etherscan.io\/block\/19085582\" target=\"_blank\" rel=\"noopener nofollow\">19085582<\/a>). Kh\u1ed1i # 19085581 hi\u1ec7n l\u00e0 parent block (ph\u1ea7n t\u1eed cha, kh\u1ed1i cha) c\u1ee7a 19085582. Kh\u1ed1i con hi\u1ec7n c\u00f3 h\u00e0m b\u0103m ri\u00eang, nh\u01b0 h\u00ecnh b\u00ean d\u01b0\u1edbi.<\/p><p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-122987 size-full lazyload\" src=\"https:\/\/cimg.co\/p\/no_image.svg\" alt=\"kh\u1ed1i # 19085581\" width=\"1200\" height=\"257\" sizes=\"auto, (max-width: 1200px) 100vw, 1200px\" data-src=\"https:\/\/cryptonews.com\/wp-content\/uploads\/sites\/20\/2024\/02\/1708004023-khoi-19085581.jpg\" data-srcset=\"https:\/\/cryptonews.com\/vn\/wp-content\/uploads\/sites\/20\/2024\/02\/1708004023-khoi-19085581.jpg 1200w, https:\/\/cryptonews.com\/vn\/wp-content\/uploads\/sites\/20\/2024\/02\/1708004023-khoi-19085581-300x64.jpg 300w, https:\/\/cryptonews.com\/vn\/wp-content\/uploads\/sites\/20\/2024\/02\/1708004023-khoi-19085581-1024x219.jpg 1024w, https:\/\/cryptonews.com\/vn\/wp-content\/uploads\/sites\/20\/2024\/02\/1708004023-khoi-19085581-768x164.jpg 768w\"><\/p><p>C\u00e1c block \u0111\u00f3ng vai tr\u00f2 l\u00e0 n\u01a1i ch\u1ee9a nh\u01b0ng c\u0169ng ghi l\u1ea1i tr\u1ea1ng th\u00e1i c\u1ee7a blockchain, gi\u1ed1ng nh\u01b0 m\u1ed9t \u1ea3nh ch\u1ee5p nhanh theo th\u1eddi gian. Sau khi \u0111\u01b0\u1ee3c x\u00e1c th\u1ef1c, c\u00e1c block s\u1ebd \u0111\u01b0\u1ee3c th\u00eam v\u00e0o chu\u1ed7i v\u00e0 phi\u00ean b\u1ea3n m\u1edbi c\u1ee7a chu\u1ed7i s\u1ebd ti\u1ebfp t\u1ee5c \u0111\u01b0\u1ee3c th\u1ef1c thi kh\u1eafp m\u1ea1ng.<\/p><p><strong>Kh\u00f4ng gi\u1ed1ng nh\u01b0 Bitcoin gi\u1edbi h\u1ea1n c\u00e1c block theo k\u00edch th\u01b0\u1edbc d\u1eef li\u1ec7u,<\/strong> Ethereum s\u1eed d\u1ee5ng k\u00edch th\u01b0\u1edbc kh\u1ed1i m\u1ee5c ti\u00eau d\u1ef1a tr\u00ean ph\u00ed gas (ph\u00ed giao d\u1ecbch).<\/p><p><a href=\"https:\/\/ethereum.org\/developers\/docs\/blocks\" target=\"_blank\" rel=\"noopener nofollow\">M\u1ea1ng Ethereum nh\u1eafm m\u1ee5c ti\u00eau 15 tri\u1ec7u gas m\u1ed7i kh\u1ed1i<\/a>, nh\u01b0ng c\u00f3 th\u1ec3 m\u1edf r\u1ed9ng kh\u1ed1i l\u00ean 30 tri\u1ec7u gas n\u1ebfu c\u1ea7n, t\u00f9y thu\u1ed9c v\u00e0o t\u00ecnh tr\u1ea1ng t\u1eafc ngh\u1ebdn m\u1ea1ng.<\/p><p>Gi\u1ed1ng nh\u01b0 Bitcoin, blockchain Ethereum l\u00e0 b\u1ea5t bi\u1ebfn. Khi m\u1ed9t giao d\u1ecbch \u0111\u01b0\u1ee3c ho\u00e0n t\u1ea5t, n\u00f3 s\u1ebd t\u1ed3n t\u1ea1i m\u00e3i m\u00e3i tr\u00ean blockchain.<\/p><h3>C\u00e1c Bi\u1ec7n Ph\u00e1p M\u00e3 H\u00f3a V\u00e0 B\u1ea3o M\u1eadt C\u1ee7a Ethereum<\/h3><p>Ethereum s\u1eed d\u1ee5ng h\u00e0m b\u0103m (hash) trong m\u1ecdi giai \u0111o\u1ea1n c\u1ee7a qu\u00e1 tr\u00ecnh giao d\u1ecbch blockchain.<\/p><p><strong>Hash<\/strong> hi\u1ec3u \u0111\u01a1n gi\u1ea3n l\u00e0 vi\u1ec7c m\u00e3 h\u00f3a m\u1eadt m\u00e3 m\u00e3 h\u00f3a d\u1eef li\u1ec7u d\u01b0\u1edbi d\u1ea1ng gi\u00e1 tr\u1ecb th\u1eadp l\u1ee5c ph\u00e2n (ch\u1eef c\u00e1i v\u00e0 s\u1ed1), <strong>hay c\u00f2n \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 hex.<\/strong><\/p><div class=\"su-list\" style=\"margin-left:0px\">\n<ul>\n<li><i class=\"sui sui-chevron-right\" style=\"color:#333\"><\/i> M\u1ed7i giao d\u1ecbch \u0111\u1ec1u \u0111\u01b0\u1ee3c hash.<\/li>\n<li><i class=\"sui sui-chevron-right\" style=\"color:#333\"><\/i> C\u00e1c kh\u1ed1i \u0111\u01b0\u1ee3c hash.<\/li>\n<li><i class=\"sui sui-chevron-right\" style=\"color:#333\"><\/i> \u0110\u1ecba ch\u1ec9 v\u00ed c\u0169ng \u0111\u01b0\u1ee3c hash.<\/li>\n<\/ul>\n<\/div><p>Ethereum s\u1eed d\u1ee5ng thu\u1eadt to\u00e1n Keccak-256 \u0111\u1ec3 t\u00ednh to\u00e1n h\u00e0m b\u0103m, t\u1ea1o ra m\u1ed9t chu\u1ed7i ch\u1eef c\u00e1i v\u00e0 s\u1ed1 256 bit c\u00f3 \u0111\u1ed9 d\u00e0i 64 k\u00fd t\u1ef1. Tuy nhi\u00ean, giao th\u1ee9c <strong>Ethereum<\/strong> th\u00eam \u201c0x\u201d v\u00e0o \u0111\u1ea7u gi\u00e1 tr\u1ecb b\u0103m \u0111\u1ec3 bi\u1ec3u th\u1ecb c\u1ea3 s\u1ed1 v\u00e0 ch\u1eef c\u00e1i, \u0111\u1ea9y \u0111\u1ed9 d\u00e0i cu\u1ed1i c\u00f9ng l\u00ean 66 k\u00fd t\u1ef1.<\/p><h4>\u0110\u1ecba Ch\u1ec9 V\u00e0 Kh\u00f3a V\u00ed Ethereum<\/h4><p>Giao th\u1ee9c Ethereum c\u0169ng s\u1eed d\u1ee5ng h\u00e0m b\u0103m (hash) cho kh\u00f3a ri\u00eang t\u01b0 (private key) c\u1ee7a v\u00ed ti\u1ec1n \u0111i\u1ec7n t\u1eed v\u00e0 \u0111\u1ecba ch\u1ec9 c\u00f4ng khai (public addresses).<\/p><p><strong>Trong Genisis Block<\/strong> (kh\u1ed1i \u0111\u1ea7u ti\u00ean \u0111\u01b0\u1ee3c kh\u1edfi t\u1ea1o c\u1ee7a m\u1ed9t m\u1ea1ng l\u01b0\u1edbi Blockchain), \u0111\u1ecba ch\u1ec9 v\u00ed 0x756F45E3FA69347A9A973A725E3C98bC4db0b5a0 \u0111\u00e3 nh\u1eadn \u0111\u01b0\u1ee3c 200 ETH. \u0110\u1ecba ch\u1ec9 s\u1ebd \u0111\u01b0\u1ee3c l\u1ea5y t\u1eeb qu\u00e1 tr\u00ecnh b\u0103m, nh\u01b0ng s\u1eed d\u1ee5ng m\u1ed9t s\u1ed1 b\u01b0\u1edbc b\u1ed5 sung \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c h\u1ec7 th\u1eadp l\u1ee5c ph\u00e2n 40 k\u00fd t\u1ef1 so v\u1edbi h\u1ec7 l\u1ee5c ph\u00e2n 64 k\u00fd t\u1ef1; 0x s\u1ebd \u0111\u01b0\u1ee3c th\u00eam v\u00e0o tr\u01b0\u1edbc, \u0111\u01b0a s\u1ed1 l\u01b0\u1ee3ng k\u00fd t\u1ef1 l\u00ean 42.<\/p><div class=\"su-list\" style=\"margin-left:0px\">\n<ul>\n<li><i class=\"sui sui-chevron-right\" style=\"color:#333\"><\/i> Kh\u00f3a ri\u00eang t\u01b0 (private key) s\u1eed d\u1ee5ng h\u00e0m b\u0103m 66 k\u00fd t\u1ef1, g\u1ed3m c\u1ea3 s\u1ed1 0x \u1edf \u0111\u1ea7u.<\/li>\n<li><i class=\"sui sui-chevron-right\" style=\"color:#333\"><\/i> Kh\u00f3a c\u00f4ng khai (public key) s\u1eed d\u1ee5ng h\u00e0m b\u0103m g\u1ed3m 130 k\u00fd t\u1ef1,g\u1ed3m c\u1ea3 s\u1ed1 0x \u1edf \u0111\u1ea7u.<\/li>\n<li><i class=\"sui sui-chevron-right\" style=\"color:#333\"><\/i> \u0110\u1ecba ch\u1ec9 v\u00ed ti\u1ec1n \u0111i\u1ec7n t\u1eed c\u00f4ng khai (public wallet addresses) s\u1eed d\u1ee5ng h\u00e0m b\u0103m 42 k\u00fd t\u1ef1, g\u1ed3m c\u1ea3 s\u1ed1 0x \u1edf \u0111\u1ea7u.<\/li>\n<\/ul>\n<\/div><p><strong>Kh\u00f3a c\u00f4ng khai (public key) c\u00f3 ngu\u1ed3n g\u1ed1c t\u1eeb private key.<\/strong> \u0110\u1ecba ch\u1ec9 v\u00ed c\u00f4ng khai, c\u00f2n \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 t\u00e0i kho\u1ea3n thu\u1ed9c s\u1edf h\u1eefu b\u00ean ngo\u00e0i, \u0111\u01b0\u1ee3c l\u1ea5y t\u1eeb 20 byte cu\u1ed1i c\u00f9ng c\u1ee7a public key.<\/p><p>Thu\u1eadt to\u00e1n Keccak-256 c\u1ee7a Ethereum v\u1ec1 c\u01a1 b\u1ea3n lu\u00f4n t\u1ea1o ra c\u00f9ng m\u1ed9t h\u00e0m b\u0103m cho c\u00f9ng m\u1ed9t \u0111\u1ea7u v\u00e0o. Nh\u01b0ng s\u1ebd kh\u00f4ng c\u00f3 c\u00e1ch n\u00e0o \u0111\u1ec3 t\u00ecm \u0111\u01b0\u1ee3c private key t\u1eeb public key hay public wallet addresses.<\/p><p><b>Ethereum s\u1eed d\u1ee5ng c\u00e1c private key \u0111\u1ec3 k\u00fd c\u00e1c giao d\u1ecbch.<\/b><\/p><p>V\u00ed d\u1ee5, n\u1ebfu anh A mu\u1ed1n g\u1eedi cho anh B 20 ETH, anh A s\u1ebd s\u1eed d\u1ee5ng \u1ee9ng d\u1ee5ng v\u00ed \u0111\u1ec3 b\u1eaft \u0111\u1ea7u giao d\u1ecbch. Anh A s\u1ebd c\u1ea7n nh\u1eadp \u0111\u1ecba ch\u1ec9 c\u00f4ng khai c\u1ee7a B. Khi ph\u00ea duy\u1ec7t giao d\u1ecbch, v\u00ed ti\u1ec1n \u0111i\u1ec7n t\u1eed c\u1ee7a anh A s\u1eed d\u1ee5ng kh\u00f3a ri\u00eang \u0111\u1ec3 ph\u00ea duy\u1ec7t giao d\u1ecbch trong khi v\u1eabn \u0111\u1ea3m b\u1ea3o gi\u1eef b\u00ed m\u1eadt cho private key.<\/p><p>N\u1ebfu A b\u1ea3o v\u1ec7 th\u00f4ng tin private key c\u1ee7a m\u00ecnh t\u1ed1t th\u00ec ch\u1ec9 c\u00f3 m\u00ecnh A m\u1edbi c\u00f3 quy\u1ec1n ki\u1ec3m so\u00e1t, truy c\u1eadp t\u00e0i s\u1ea3n c\u1ee7a m\u00ecnh tr\u00ean blockchain.<strong> Tuy nhi\u00ean,<\/strong> b\u1ea5t k\u1ef3 ai c\u00f3 quy\u1ec1n truy c\u1eadp v\u00e0o private key ho\u1eb7c c\u1ee5m t\u1eeb kh\u00f4i ph\u1ee5c c\u1ee7a v\u00ed ti\u1ec1n \u0111i\u1ec7n t\u1eed c\u1ee7a A \u0111\u1ec1u c\u00f3 th\u1ec3 ki\u1ec3m so\u00e1t t\u00e0i s\u1ea3n c\u1ee7a A.<\/p><p>Do \u0111\u00f3 vi\u1ec7c gi\u1eef b\u00ed m\u1eadt, an to\u00e0n cho private key ho\u1eb7c c\u1ee5m t\u1eeb kh\u00f4i ph\u1ee5c c\u1ee7a v\u00ed ti\u1ec1n \u0111i\u1ec7n t\u1eed l\u00e0 r\u1ea5t quan tr\u1ecdng. M\u1ea5t ho\u1eb7c b\u1ecb l\u1ed9 private key c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn vi\u1ec7c m\u1ea5t quy\u1ec1n ki\u1ec3m so\u00e1t ho\u00e0n to\u00e0n \u0111\u1ed1i v\u1edbi t\u00e0i s\u1ea3n, v\u00ec blockchain kh\u00f4ng th\u1ec3 \u0111\u1ea3o ng\u01b0\u1ee3c c\u00e1c giao d\u1ecbch \u0111\u00e3 th\u1ef1c hi\u1ec7n.<\/p><h2>\u0110i\u1ec3m Kh\u00e1c Bi\u1ec7t Gi\u1eefa Ethereum V\u00e0 Bitcoin V\u1ec1 M\u1eb7t K\u1ef9 Thu\u1eadt<\/h2><p><span class=\"replacer\"><\/span><br>\n\u0110i\u1ec3m kh\u00e1c nhau c\u01a1 b\u1ea3n nh\u1ea5t gi\u1eefa blockchain Ethereum v\u00e0 Bitcoin l\u00e0 t\u1ea7m nh\u00ecn c\u1ee7a hai Blockchain n\u00e0y.<\/p><p>Trong khi Bitcoin v\u1edbi m\u1ee5c ti\u00eau tr\u1edf th\u00e0nh h\u1ec7 th\u1ed1ng thanh to\u00e1n ngang h\u00e0ng<strong> (Peer-to-Peer)<\/strong>, th\u00ec Ethereum l\u1ea1i c\u00f3 t\u1ea7m nh\u00ecn tr\u1edf th\u00e0nh n\u1ec1n t\u1ea3ng gi\u00fap h\u00e0ng \u0111\u1ea7u cho vi\u1ec7c ph\u00e1t tri\u1ec3n c\u00e1c \u1ee9ng d\u1ee5ng phi t\u1eadp trung Dapps.<\/p><p><strong>V\u1ec1 m\u1eb7t k\u1ef9 thu\u1eadt Ethereum v\u00e0 Bitcoin c\u00f3 m\u1ed9t s\u1ed1 \u0111i\u1ec3m kh\u00e1c bi\u1ec7t n\u1ed5i b\u1eadt nh\u01b0 sau:<\/strong><\/p><ol>\n<li><b>Nh\u00e0 s\u00e1ng l\u1eadp:<\/b> Bitcoin \u0111\u01b0\u1ee3c t\u1ea1o ra b\u1edfi Satoshi Nakamoto, hi\u1ec7n v\u1eabn ch\u01b0a r\u00f5 danh t\u00ednh (c\u00f3 th\u1ec3 l\u00e0 m\u1ed9t t\u1ed5 ch\u1ee9c ho\u1eb7c ch\u1ec9 l\u00e0 m\u1ed9t c\u00e1 nh\u00e2n). C\u00f2n Ethereum \u0111\u01b0\u1ee3c t\u1ea1o ra b\u1edfi Vitalik Buterin, l\u1eadp tr\u00ecnh vi\u00ean ng\u01b0\u1eddi Canada (\u0111\u00e3 r\u00f5 danh t\u00ednh).<\/li>\n<li><b>T\u1ed5ng ngu\u1ed3n cung:<\/b> Bitcoin c\u00f3 t\u1ed5ng ngu\u1ed3n cung c\u1ed1 \u0111\u1ecbnh l\u00e0 21 tri\u1ec7u BTC, c\u00f2n Ethereum ng\u01b0\u1ee3c l\u1ea1i kh\u00f4ng c\u00f3 gi\u1edbi h\u1ea1n v\u1ec1 t\u1ed5ng cung.<\/li>\n<li><b>Thu\u1eadt to\u00e1n:<\/b> M\u1eb7c d\u00f9 v\u1ec1 c\u01a1 b\u1ea3n \u0111\u1ec1u s\u1eed d\u1ee5ng c\u01a1 ch\u1ebf \u0111\u1ed3ng thu\u1eadn Proof of Work (PoW), nh\u01b0ng Ethereum s\u1eed d\u1ee5ng thu\u1eadt to\u00e1n Ethash, kh\u00e1c v\u1edbi Bitcoin s\u1eed d\u1ee5ng thu\u1eadt to\u00e1n SHA-56.<\/li>\n<li><b>T\u1ed1c \u0111\u1ed9 giao d\u1ecbch:<\/b> T\u1ed1c \u0111\u1ed9 giao d\u1ecbch c\u1ee7a Bitcoin ch\u1ec9 \u0111\u1ea1t kho\u1ea3ng 7 TPS\/gi\u00e2y, c\u00f2n Ethereum l\u00e0 kho\u1ea3ng 20-25 TPS\/gi\u00e2y (g\u1ea5p g\u1ea7n 3 l\u1ea7n so v\u1edbi Bitcoin).<\/li>\n<\/ol><p>Ngo\u00e0i ra \u0111\u1ec3 so s\u00e1nh n\u1eefa th\u00ec Bitcoin v\u1edbi Ethereum v\u1eabn s\u1ebd c\u00f2n r\u1ea5t nhi\u1ec1u \u0111i\u1ec3m kh\u00e1c bi\u1ec7t m\u00e0 ch\u00fang ta s\u1ebd t\u00ecm hi\u1ec3u trong b\u00e0i vi\u1ebft kh\u00e1c.<\/p><h2>Ether L\u00e0 G\u00ec?<\/h2><p><span class=\"replacer\"><\/span><br>\n<strong>Ether l\u00e0 \u201cnhi\u00ean li\u1ec7u\u201d cho blockchain Ethereum.<\/strong><\/p><p>M\u1eb7c d\u00f9 thu\u1eadt ng\u1eef Ethereum th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 m\u00f4 t\u1ea3 ti\u1ec1n \u0111i\u1ec7n t\u1eed c\u1ee7a m\u1ea1ng Ethereum, nh\u01b0ng Ether m\u1edbi th\u1ef1c s\u1ef1 l\u00e0 lo\u1ea1i ti\u1ec1n t\u1ec7 th\u1ef1c t\u1ebf \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng.<\/p><ul>\n<li>Ethereum l\u00e0 kh\u00e1i ni\u1ec7m \u0111\u1ec1 c\u1eadp \u0111\u1ebfn blockchain, giao th\u1ee9c ho\u1eb7c m\u1ea1ng.<\/li>\n<li>Ether l\u00e0 ti\u1ec1n \u0111i\u1ec7n t\u1eed thanh to\u00e1n cho c\u00e1c giao d\u1ecbch v\u00e0 s\u1ee9c m\u1ea1nh x\u1eed l\u00fd tr\u00ean m\u1ea1ng Ethereum.<\/li>\n<\/ul><p>Ether \u0111\u01b0\u1ee3c \u0111o l\u01b0\u1eddng b\u1eb1ng hai \u0111\u01a1n v\u1ecb l\u00e0 gwei v\u00e0 wei.<\/p><ul>\n<li>Gwei: M\u1ed7i ETH token t\u01b0\u01a1ng \u1ee9ng v\u1edbi 1 t\u1ef7 gwei.<\/li>\n<\/ul><p><strong>Gwei<\/strong><\/p><p>th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong b\u00e1o gi\u00e1, thanh to\u00e1n ph\u00ed gas tr\u00ean chu\u1ed7i kh\u1ed1i Ethereum. M\u1eb7c d\u00f9 v\u00ed ti\u1ec1n \u0111i\u1ec7n t\u1eed Ethereum th\u01b0\u1eddng chuy\u1ec3n \u0111\u1ed5i ph\u00ed sang \u0111\u1ed3ng \u0111\u00f4 la M\u1ef9 ho\u1eb7c c\u00e1c lo\u1ea1i ti\u1ec1n t\u1ec7 kh\u00e1c \u0111\u1ec3 thu\u1eadn ti\u1ec7n nh\u1ea5t trong giao d\u1ecbch ti\u1ec1n \u0111i\u1ec7n t\u1eed.<\/p><ul>\n<li>Wei: M\u1ed7i gwei t\u01b0\u01a1ng \u1ee9ng v\u1edbi 1 t\u1ef7 wei.<\/li>\n<\/ul><p>Wei \u0111\u1ec1 c\u1eadp \u0111\u1ebfn m\u1ec7nh gi\u00e1 nh\u1ecf nh\u1ea5t c\u1ee7a \u0111\u1ed3ng ether.<\/p><p>Ph\u00ed gas tr\u00ean Ethereum s\u1ebd thay \u0111\u1ed5i d\u1ef1a tr\u00ean b\u0103ng th\u00f4ng, kh\u00f4ng gian v\u00e0 \u0111\u1ed9 kh\u00f3 t\u00ednh to\u00e1n c\u1ee7a h\u1ee3p \u0111\u1ed3ng th\u00f4ng minh (smart contract).<\/p><h3>T\u1ed5ng Ngu\u1ed3n Cung ETH<\/h3><p>Nh\u1eefng b\u00ean tham gia x\u00e1c th\u1ef1c tr\u00ean m\u1ea1ng Ethereum ki\u1ebfm \u0111\u01b0\u1ee3c ph\u00ed tr\u1ea3 b\u1eb1ng ether khi th\u00eam c\u00e1c kh\u1ed1i h\u1ee3p l\u1ec7 v\u00e0o blockchain (chu\u1ed7i kh\u1ed1i). <strong>Giao th\u1ee9c Ethereum s\u1ebd t\u1ea1o ra nh\u1eefng ph\u1ea7n th\u01b0\u1edfng m\u1edbi n\u00e0y,<\/strong> l\u00e0m t\u0103ng t\u1ed5ng ngu\u1ed3n cung ETH.<\/p><p>Giao th\u1ee9c n\u00e0y c\u0169ng s\u1ebd \u0111\u1ed1t ph\u00ed giao d\u1ecbch c\u01a1 b\u1ea3n, gi\u1ea3m ngu\u1ed3n cung b\u1eb1ng c\u00e1ch g\u1eedi ether \u0111\u1ebfn m\u1ed9t \u0111\u1ecba ch\u1ec9 kh\u00f4ng th\u1ec3 ph\u1ee5c h\u1ed3i.<\/p><p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-122988 size-full lazyload\" src=\"https:\/\/cimg.co\/p\/no_image.svg\" alt=\"T\u1ed5ng Ngu\u1ed3n Cung ETH \" width=\"1200\" height=\"687\" sizes=\"auto, (max-width: 1200px) 100vw, 1200px\" data-src=\"https:\/\/cryptonews.com\/wp-content\/uploads\/sites\/20\/2024\/02\/1708005041-tong-nguon-cung-eth.jpg\" data-srcset=\"https:\/\/cryptonews.com\/vn\/wp-content\/uploads\/sites\/20\/2024\/02\/1708005041-tong-nguon-cung-eth.jpg 1200w, https:\/\/cryptonews.com\/vn\/wp-content\/uploads\/sites\/20\/2024\/02\/1708005041-tong-nguon-cung-eth-300x172.jpg 300w, https:\/\/cryptonews.com\/vn\/wp-content\/uploads\/sites\/20\/2024\/02\/1708005041-tong-nguon-cung-eth-1024x586.jpg 1024w, https:\/\/cryptonews.com\/vn\/wp-content\/uploads\/sites\/20\/2024\/02\/1708005041-tong-nguon-cung-eth-768x440.jpg 768w\"><\/p><p>Nh\u00ecn chung, t\u1ed5ng ngu\u1ed3n cung ETH v\u1ec1 c\u01a1 b\u1ea3n \u0111\u00e3 gi\u1ea3m ph\u00e1t m\u1ed9t ch\u00fat k\u1ec3 t\u1eeb khi <a href=\"https:\/\/notes.ethereum.org\/@vbuterin\/eip-1559-faq\" target=\"_blank\" rel=\"noopener nofollow\">\u0111\u1ec1 xu\u1ea5t c\u1ea3i ti\u1ebfn Ethereum (EIP) 1559<\/a> \u0111\u01b0\u1ee3c c\u1ed9ng \u0111\u1ed3ng ph\u00ea duy\u1ec7t, cho ph\u00e9p th\u1ef1c hi\u1ec7n giao th\u1ee9c \u0111\u1ed1t ph\u00ed c\u01a1 b\u1ea3n.<\/p><h2>Ethereum 2.0 L\u00e0 G\u00ec?<\/h2><p><span class=\"replacer\"><\/span><br>\nEthereum 2.0 \u0111\u1ec1 c\u1eadp \u0111\u1ebfn s\u1ef1 chuy\u1ec3n \u0111\u1ed5i c\u1ee7a chu\u1ed7i kh\u1ed1i Ethereum t\u1eeb c\u01a1 ch\u1ebf \u0111\u1ed3ng thu\u1eadn b\u1eb1ng ch\u1ee9ng c\u00f4ng vi\u1ec7c <strong>(PoW \u2013 Proof-of-Work)<\/strong> sang c\u01a1 ch\u1ebf \u0111\u1ed3ng thu\u1eadn b\u1eb1ng ch\u1ee9ng c\u1ed5 ph\u1ea7n (PoS \u2013 Proof-of-Stake).<\/p><p>Cho \u0111\u1ebfn ng\u00e0y 01 th\u00e1ng 12 n\u0103m 2020, Ethereum v\u1eabn s\u1eed d\u1ee5ng PoW \u0111\u1ec3 x\u00e1c th\u1ef1c c\u00e1c giao d\u1ecbch. B\u1eaft \u0111\u1ea7u t\u1eeb th\u1eddi \u0111i\u1ec3m cu\u1ed1i n\u0103m 2020, Ethereum \u0111\u00e3 ra m\u1eaft chu\u1ed7i PoS, hay \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 <a href=\"https:\/\/ethereum.org\/roadmap\/beacon-chain\" target=\"_blank\" rel=\"noopener nofollow\">Chu\u1ed7i Beacon<\/a>. Hai chu\u1ed7i Beacon v\u00e0 Mainnet ho\u1ea1t \u0111\u1ed9ng song song v\u1edbi nhau cho \u0111\u1ebfn ng\u00e0y 15 th\u00e1ng 9 n\u0103m 2022, th\u1eddi \u0111i\u1ec3m th\u1ef1c hi\u1ec7n qu\u00e1 tr\u00ecnh \u201ch\u1ee3p nh\u1ea5t\u201d.<\/p><p>Vi\u1ec7c chuy\u1ec3n sang <a href=\"https:\/\/ethereum.org\/developers\/docs\/consensus-mechanisms\/pos\" target=\"_blank\" rel=\"noopener nofollow\">Ethereum 2.0 \u0111\u00e3 b\u1ed5 sung c\u01a1 ch\u1ebf \u0111\u1eb7t c\u01b0\u1ee3c cho m\u1ea1ng<\/a>, cho ph\u00e9p ch\u1ee7 s\u1edf h\u1eefu<strong> ETH token<\/strong> h\u1ed7 tr\u1ee3 b\u1ea3o m\u1eadt c\u1ee7a m\u1ea1ng, v\u00e0 ki\u1ebfm c\u00e1c kho\u1ea3n l\u1ee3i nhu\u1eadn h\u1ea5p d\u1eabn t\u1eeb c\u00e1c ph\u1ea7n th\u01b0\u1edfng \u0111\u1eb7t c\u01b0\u1ee3c.<\/p><p>Vi\u1ec7c h\u1ee3p nh\u1ea5t c\u0169ng \u0111\u1eb7t n\u1ec1n t\u1ea3ng cho shending, m\u1ed9t b\u1ea3n n\u00e2ng c\u1ea5p gi\u00e1 tr\u1ecb theo k\u1ebf ho\u1ea1ch cho ph\u00e9p m\u1ea1ng Ethereum chia tr\u1ea1ng th\u00e1i c\u1ee7a chu\u1ed7i kh\u1ed1i Ethereum th\u00e0nh 64 chu\u1ed7i nh\u1ecf h\u01a1n, \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 shard (ph\u00e2n \u0111o\u1ea1n), m\u1ed7i chu\u1ed7i ph\u00e2n \u0111o\u1ea1n (shard chain) s\u1ebd c\u00f3 l\u1ecbch s\u1eed giao d\u1ecbch v\u00e0 tr\u1ea1ng th\u00e1i chu\u1ed7i kh\u1ed1i ri\u00eang.<\/p><p><a href=\"https:\/\/ethereum.org\/en\/roadmap\/danksharding\" target=\"_blank\" rel=\"noopener nofollow\">Tuy nhi\u00ean, chu\u1ed7i ph\u00e2n \u0111o\u1ea1n hi\u1ec7n kh\u00f4ng c\u00f2n n\u1eb1m trong l\u1ed9 tr\u00ecnh ph\u00e1t tri\u1ec3n<\/a> c\u1ee7a Ethereum n\u1eefa.<\/p><p>Thay v\u00e0o \u0111\u00f3, c\u00e1c nh\u00e0 ph\u00e1t tri\u1ec3n \u0111\u1ed3ng Ethereum \u0111ang nh\u1eafm m\u1ee5c ti\u00eau \u0111\u1ebfn Danksharding, m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p m\u1edf r\u1ed9ng quy m\u00f4 \u0111\u1ec3 t\u0103ng c\u01b0\u1eddng kh\u1ea3 n\u0103ng giao d\u1ecbch, c\u00f3 th\u1ec3 gi\u00fap m\u1edf r\u1ed9ng hi\u1ec7u su\u1ea5t, \u0111\u1ea1t t\u1edbi 100.000 giao d\u1ecbch m\u1ed7i gi\u00e2y.<strong> Hi\u1ec7n t\u1ea1i,<\/strong> m\u1ea1ng Ethereum \u0111ang c\u00f3 kh\u1ea3 n\u0103ng x\u1eed l\u00fd 20 cho \u0111\u1ebfn 30 giao d\u1ecbch m\u1ed7i gi\u00e2y.<\/p><p><a href=\"https:\/\/cryptonews.com\/vn\/cryptocurrency\/potential-coins\/\">Top 10 \u0111\u1ed3ng coin<\/a> \u0111\u00e1ng \u0111\u1ea7u t\u01b0 nh\u1ea5t 2026 c\u0169ng c\u00f3 r\u1ea5t nhi\u1ec1u coin \u0111\u01b0\u1ee3c x\u00e2y d\u1ef1ng, ph\u00e1t tri\u1ec3n d\u1ef1a tr\u00ean blockchain Ethereum.<\/p><h2>Ethereum C\u00f3 Th\u1ec3 \u0110\u01b0\u1ee3c Khai Th\u00e1c Nh\u01b0 Bitcoin Kh\u00f4ng?<\/h2><p><span class=\"replacer\"><\/span><br>\nVi\u1ec7c Ethereum chuy\u1ec3n sang c\u01a1 ch\u1ebf b\u1eb1ng ch\u1ee9ng c\u1ed5 ph\u1ea7n (proof-of-stake) \u0111\u1ed3ng ngh\u0129a v\u1edbi vi\u1ec7c ho\u1ea1t \u0111\u1ed9ng khai th\u00e1c Ethereum l\u00e0 kh\u00f4ng th\u1ec3 th\u1ef1c hi\u1ec7n \u0111\u01b0\u1ee3c n\u1eefa.<\/p><p>Tuy nhi\u00ean, <strong>Ethereum Classic<\/strong> v\u1eabn s\u1eed d\u1ee5ng c\u01a1 ch\u1ebf b\u1eb1ng ch\u1ee9ng c\u00f4ng vi\u1ec7c (proof-of-work), n\u00ean Ethereum Classic ho\u00e0n to\u00e0n v\u1eabn c\u00f3 th\u1ec3 khai th\u00e1c \u0111\u01b0\u1ee3c. <a href=\"https:\/\/ethereum.org\/history#dao-fork\" target=\"_blank\" rel=\"noopener nofollow\">Hai chu\u1ed7i n\u00e0y \u0111\u00e3 ph\u00e2n nh\u00e1nh v\u00e0o n\u0103m 2016<\/a>, trong \u0111\u00f3 ph\u1ea7n l\u1edbn c\u1ed9ng \u0111\u1ed3ng c\u00f2n l\u1ea1i l\u00e0 thu\u1ed9c chu\u1ed7i ch\u00ednh ng\u00e0y nay Ethereum 2.0.<\/p><h2>C\u00e1ch Mua \u0110\u1ed3ng Ethereum<\/h2><p><span class=\"replacer\"><\/span><br>\nHi\u1ec7n l\u00e0 lo\u1ea1i ti\u1ec1n \u0111i\u1ec7n t\u1eed l\u1edbn th\u1ee9 hai theo v\u1ed1n h\u00f3a th\u1ecb tr\u01b0\u1eddng, <strong>Ethereum<\/strong> lu\u00f4n c\u00f3 s\u1eb5n tr\u00ean c\u00e1c <a href=\"https:\/\/cryptonews.com\/vn\/reviews\/category\/exchange\/\">s\u00e0n giao d\u1ecbch ti\u1ec1n \u0111i\u1ec7n t\u1eed<\/a> n\u1ed5i ti\u1ebfng tr\u00ean to\u00e0n th\u1ebf gi\u1edbi.<\/p><p>C\u00e1c s\u00e0n giao d\u1ecbch ti\u1ec1n \u0111i\u1ec7n t\u1eed nh\u01b0 Coinbase v\u00e0 c\u00e1c nh\u00e0 m\u00f4i gi\u1edbi nh\u01b0 OKX cho ph\u00e9p m\u1ecdi ng\u01b0\u1eddi mua ETH v\u00e0 c\u00e1c lo\u1ea1i ti\u1ec1n \u0111i\u1ec7n t\u1eed kh\u00e1c b\u1eb1ng USD, GBP ho\u1eb7c c\u00e1c lo\u1ea1i ti\u1ec1n t\u1ec7 fiat kh\u00e1c r\u1ea5t \u0111\u01a1n gi\u1ea3n, nhanh ch\u00f3ng v\u00e0 d\u1ec5 d\u00e0ng, \u0111\u1eb7c bi\u1ec7t l\u00e0 \u0111\u1ed1i v\u1edbi \u0111\u1ed1i t\u01b0\u1ee3ng ng\u01b0\u1eddi d\u00f9ng m\u1edbi.<\/p><p>\u0110\u1ec3 b\u1eaft \u0111\u1ea7u mua Ethereum, <strong>l\u1ea5y Coinbase l\u00e0m v\u00ed d\u1ee5,<\/strong> b\u1ea1n c\u00f3 th\u1ec3 l\u00e0m theo c\u00e1c b\u01b0\u1edbc c\u01a1 b\u1ea3n sau.<\/p><div class=\"su-note\" style=\"border-color:#e0d5e5;border-radius:3px;-moz-border-radius:3px;-webkit-border-radius:3px;\"><div class=\"su-note-inner su-u-clearfix su-u-trim\" style=\"background-color:#faefff;border-color:#ffffff;color:#333333;border-radius:3px;-moz-border-radius:3px;-webkit-border-radius:3px;\">\n<ol>\n<li><b>\u0110\u0103ng k\u00fd t\u00e0i kho\u1ea3n:<\/b> Truy c\u1eadp s\u00e0n Coinbase v\u00e0 nh\u1ea5n v\u00e0o n\u00fat \u201c\u0110\u0103ng k\u00fd\u201d.<\/li>\n<li><b>Ho\u00e0n t\u1ea5t x\u00e1c minh danh t\u00ednh:<\/b> Coinbase y\u00eau c\u1ea7u ng\u01b0\u1eddi d\u00f9ng c\u1ea7n ph\u1ea3i x\u00e1c minh danh t\u00ednh b\u1eb1ng c\u00e1ch t\u1ea3i l\u00ean b\u1ea3n sao h\u1ed9 chi\u1ebfu ho\u1eb7c gi\u1ea5y t\u1edd t\u00f9y th\u00e2n do ch\u00ednh ph\u1ee7 c\u1ea5p.<\/li>\n<li><b>Li\u00ean k\u1ebft ph\u01b0\u01a1ng th\u1ee9c thanh to\u00e1n:<\/b> Coinbase h\u1ed7 tr\u1ee3 th\u1ef1c hi\u1ec7n thanh to\u00e1n th\u00f4ng qua chuy\u1ec3n kho\u1ea3n ng\u00e2n h\u00e0ng hay th\u1ebb ghi n\u1ee3 \u1edf nhi\u1ec1u qu\u1ed1c gia. M\u1ed9t s\u1ed1 khu v\u1ef1c Coinbase c\u0169ng h\u1ed7 tr\u1ee3 c\u1ea3 PayPal.<\/li>\n<li><b>Ch\u1ecdn s\u1ed1 ti\u1ec1n \u0111\u1ea7u t\u01b0:<\/b> H\u00e3y c\u00e2n nh\u1eafc s\u1ed1 v\u1ed1n b\u1ea1n mu\u1ed1n \u0111\u1ea7u t\u01b0 l\u00e0 bao nhi\u00eau, v\u00e0 li\u1ec7u b\u1ea1n c\u00f3 mu\u1ed1n \u0111\u1ea7u t\u01b0 th\u01b0\u1eddng xuy\u00ean hay l\u00e0 kh\u00f4ng.<\/li>\n<li><b>Mua ETH: <\/b>Khi \u0111\u00e3 s\u1eb5n s\u00e0ng, b\u1ea1n c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng n\u00fat Mua &#038; B\u00e1n \u0111\u1ec3 ho\u00e0n t\u1ea5t giao d\u1ecbch mua ETH, c\u0169ng nh\u01b0 c\u00e1c lo\u1ea1i ti\u1ec1n \u0111i\u1ec7n t\u1eed c\u1ee7a m\u00ecnh ch\u1ec9 sau v\u00e0i c\u00fa nh\u1ea5p chu\u1ed9t. Ngo\u00e0i ra, Coinbase c\u0169ng cung c\u1ea5p t\u00f9y ch\u1ecdn giao d\u1ecbch n\u00e2ng cao n\u01a1i b\u1ea1n c\u00f3 th\u1ec3 giao d\u1ecbch v\u1edbi m\u1ee9c ph\u00ed th\u1ea5p h\u01a1n.<\/li>\n<\/ol>\n<\/div><\/div><p>Sau khi th\u1ef1c hi\u1ec7n giao d\u1ecbch mua <strong>ETH<\/strong>, \u0111\u1ec3 qu\u1ea3n l\u00fd, b\u1ea1n c\u00f3 th\u1ec3 l\u1ef1a ch\u1ecdn l\u01b0u tr\u1eef ch\u00fang trong c\u00e1c v\u00ed ti\u1ec1n \u0111i\u1ec7n t\u1eed t\u01b0\u01a1ng th\u00edch v\u1edbi Ethereum sau \u0111\u00e2y.<\/p><h2>Ch\u1ecdn V\u00ed Ethereum<\/h2><p><span class=\"replacer\"><\/span><br>\nV\u00ed ti\u1ec1n \u0111i\u1ec7n t\u1eed ch\u1ee9a c\u00e1c kh\u00f3a ri\u00eang <strong>(private key)<\/strong> gi\u00fap ki\u1ec3m so\u00e1t, qu\u1ea3 l\u00fd t\u00e0i s\u1ea3n ti\u1ec1n \u0111i\u1ec7n t\u1eed c\u1ee7a b\u1ea1n tr\u00ean blockchain. B\u1ea1n c\u00f3 th\u1ec3 ch\u1ecdn gi\u1eefa v\u00ed n\u00f3ng (hot wallet) ho\u1eb7c v\u00ed l\u1ea1nh <strong>(cold wallet)<\/strong> \u2013 ho\u1eb7c s\u1eed d\u1ee5ng k\u1ebft h\u1ee3p c\u1ea3 hai lo\u1ea1i c\u00f9ng nhau.<\/p><p>V\u00ed n\u00f3ng<strong> (hot wallet)<\/strong> t\u1ea1o v\u00e0 l\u01b0u tr\u1eef private key c\u1ee7a b\u1ea1n tr\u00ean thi\u1ebft b\u1ecb \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i v\u1edbi internet. V\u00ed n\u00f3ng g\u1ed3m c\u00f3 c\u00e1c v\u00ed ti\u1ec1n \u0111i\u1ec7n t\u1eed ph\u1ea7n m\u1ec1m nh\u01b0 ti\u1ec7n \u00edch m\u1edf r\u1ed9ng tr\u00ecnh duy\u1ec7t ho\u1eb7c \u1ee9ng d\u1ee5ng di \u0111\u1ed9ng.<\/p><p>V\u00ed l\u1ea1nh<strong> (cold wallet)<\/strong> t\u1ea1o v\u00e0 l\u01b0u tr\u1eef kh\u00f3a ri\u00eang c\u1ee7a b\u1ea1n ho\u00e0n to\u00e0n ngo\u1ea1i tuy\u1ebfn. V\u00ed l\u1ea1nh th\u01b0\u1eddng l\u00e0 thi\u1ebft b\u1ecb ph\u1ea7n c\u1ee9ng k\u1ebft n\u1ed1i qua USB, ho\u1eb7c s\u1eed d\u1ee5ng m\u00e3 QR \u0111\u1ec3 th\u1ef1c hi\u1ec7n k\u1ebft n\u1ed1i v\u1edbi \u1ee9ng d\u1ee5ng v\u00ed.<\/p><div class=\"su-list\" style=\"margin-left:0px\">\n<ul>\n<li><i class=\"sui sui-chevron-right\" style=\"color:#333\"><\/i> <strong>V\u00ed n\u00f3ng<\/strong> cung c\u1ea5p nhi\u1ec1u ti\u1ec7n l\u1ee3i h\u01a1n. B\u1ea1n c\u00f3 th\u1ec3 d\u1ec5 d\u00e0ng s\u1eed d\u1ef1ng hot wallet \u0111\u1ec3 k\u1ebft n\u1ed1i v\u1edbi c\u00e1c \u1ee9ng d\u1ee5ng phi t\u1eadp trung \u0111\u1ec3 s\u1eed d\u1ee5ng ti\u1ec1n \u0111i\u1ec7n t\u1eed c\u1ee7a m\u00ecnh. Tuy nhi\u00ean, v\u00ec c\u00f3 b\u1ea3n ch\u1ea5t l\u00e0 ph\u1ea7n m\u1ec1m, c\u00e1c v\u00ed n\u00f3ng c\u00f3 th\u1ec3 c\u00f3 l\u1ed7i ho\u1eb7c sai s\u00f3t khi\u1ebfn ch\u00fang d\u1ec5 b\u1ecb k\u1ebb x\u1ea5u khai th\u00e1c t\u1ea5n c\u00f4ng h\u01a1n so v\u1edbi v\u00ed l\u1ea1nh.<\/li>\n<li><i class=\"sui sui-chevron-right\" style=\"color:#333\"><\/i> <strong>V\u00ed l\u1ea1nh<\/strong> ho\u00e0n to\u00e0n ngo\u1ea1i tuy\u1ebfn, v\u00e0 ho\u1ea1t \u0111\u1ed9ng gi\u1ed1ng nh\u01b0 c\u00e1c tr\u00ecnh x\u00e1c th\u1ef1c hai y\u1ebfu t\u1ed1. \u0110\u1ec3 th\u1ef1c hi\u1ec7n thanh to\u00e1n, n\u1ea1p r\u00fat ETH\u2026, b\u1ea1n c\u1ea7n x\u00e1c nh\u1eadn giao d\u1ecbch tr\u00ean thi\u1ebft b\u1ecb v\u00ed l\u1ea1nh c\u1ee7a m\u00ecnh.<\/li>\n<\/ul>\n<\/div><p>Vi\u1ec7c k\u1ebft h\u1ee3p s\u1eed d\u1ee5ng \u0111\u1ed3ng th\u1eddi c\u1ea3 hai v\u00ed n\u00f3ng v\u00e0 l\u1ea1nh \u0111\u1ec3 l\u01b0u tr\u1eef ETH c\u0169ng l\u00e0 l\u1ef1a ch\u1ecdn r\u1ea5t \u0111\u00e1ng c\u00e2n nh\u1eafc. <strong>V\u00ed d\u1ee5,<\/strong> MetaMask, v\u00ed n\u00f3ng ph\u1ed5 bi\u1ebfn h\u00e0ng \u0111\u1ea7u th\u1ebf gi\u1edbi hi\u1ec7n nay, h\u1ed7 tr\u1ee3 c\u1ea3 v\u00ed ph\u1ea7n c\u1ee9ng Ledger v\u00e0 Trezor, c\u0169ng l\u00e0 hai trong s\u1ed1 nh\u1eefng th\u01b0\u01a1ng hi\u1ec7u v\u00ed l\u1ea1nh top \u0111\u1ea7u.<\/p><p>Thi\u1ebft l\u1eadp n\u00e0y cho ph\u00e9p b\u1ea1n k\u1ebft n\u1ed1i v\u1edbi dApps d\u1ec5 d\u00e0ng, thu\u1eadn ti\u1ec7n \u0111\u1ed3ng th\u1eddi b\u1ea3o v\u1ec7 t\u00e0i s\u1ea3n c\u1ee7a m\u00ecnh b\u1eb1ng c\u00e1c kh\u00f3a \u0111\u01b0\u1ee3c l\u01b0u tr\u1eef ho\u00e0n to\u00e0n ngo\u1ea1i tuy\u1ebfn trong v\u00ed ph\u1ea7n c\u1ee9ng c\u1ee7a b\u1ea1n.<\/p><h2>S\u1eed D\u1ee5ng Ethereum: T\u1eeb Ho\u1ea1t \u0110\u1ed9ng Thanh To\u00e1n Cho \u0110\u1ebfn \u0110\u1ea7u T\u01b0<\/h2><p><span class=\"replacer\"><\/span><br>\nCh\u00fang ta \u0111\u00e3 bi\u1ebft Ether \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 thanh to\u00e1n cho c\u00e1c giao d\u1ecbch th\u1ef1c hi\u1ec7n tr\u00ean m\u1ea1ng Ethereum. Tuy nhi\u00ean, kh\u00f4ng ch\u1ec9 l\u00e0m c\u00f4ng c\u1ee5 thanh to\u00e1n, <strong>m\u00e0 ETH c\u00f2n l\u00e0 lo\u1ea1i ti\u1ec1n t\u1ec7 c\u00f3 nhi\u1ec1u c\u00f4ng d\u1ee5ng,<\/strong> v\u00e0 s\u1ef1 ph\u1ed5 bi\u1ebfn c\u1ee7a chu\u1ed7i kh\u1ed1i Ethereum c\u00f3 ngh\u0129a l\u00e0 ETH c\u0169ng c\u00f3 gi\u00e1 tr\u1ecb s\u1eed d\u1ee5ng c\u1ea3 b\u00ean ngo\u00e0i m\u1ea1ng.<\/p><div class=\"su-list\" style=\"margin-left:0px\">\n<ul>\n<li><i class=\"sui sui-chevron-right\" style=\"color:#333\"><\/i> <b>Mua NFT:<\/b> C\u00e1c token kh\u00f4ng th\u1ec3 thay th\u1ebf (NFT) th\u1ec3 hi\u1ec7n quy\u1ec1n s\u1edf h\u1eefu tuy\u1ec7t \u0111\u1ed1i c\u1ee7a nh\u00e0 \u0111\u1ea7u t\u01b0 \u0111\u1ed1i v\u1edbi t\u00e0i s\u1ea3n k\u1ef9 thu\u1eadt s\u1ed1. NFT hi\u1ec7n c\u00f3 th\u1ec3 \u0111\u1ea1i di\u1ec7n cho quy\u1ec1n s\u1edf h\u1eefu b\u1ea5t c\u1ee9 th\u1ee9 g\u00ec. Trong t\u01b0\u01a1ng lai, b\u1ea1n c\u00f3 th\u1ec3 th\u1ea5y b\u1ea5t \u0111\u1ed9ng s\u1ea3n v\u00e0 c\u00e1c t\u00e0i s\u1ea3n kh\u00e1c c\u00f3 s\u1eb5n \u1edf d\u1ea1ng c\u00e1c NFT \u0111\u01b0\u1ee3c m\u00e3 h\u00f3a.<\/li>\n<li><i class=\"sui sui-chevron-right\" style=\"color:#333\"><\/i> <b>Ho\u00e1n \u0111\u1ed5i l\u1ea5y c\u00e1c t\u00e0i s\u1ea3n kh\u00e1c:<\/b> B\u1ea1n c\u00f3 th\u1ec3 ho\u00e1n \u0111\u1ed5i ETH c\u1ee7a m\u00ecnh l\u1ea5y c\u00e1c lo\u1ea1i ti\u1ec1n \u0111i\u1ec7n t\u1eed ph\u1ed5 bi\u1ebfn kh\u00e1c tr\u00ean c\u00e1c s\u00e0n giao d\u1ecbch phi t\u1eadp trung nh\u01b0 OKX, Uniswap.<\/li>\n<li><i class=\"sui sui-chevron-right\" style=\"color:#333\"><\/i> <b>Mua c\u00e1c lo\u1ea1i h\u00e0ng h\u00f3a v\u00e0 d\u1ecbch v\u1ee5 trong th\u1ebf gi\u1edbi th\u1ef1c:<\/b> C\u00e1c nh\u00e0 b\u00e1n l\u1ebb nh\u01b0 Newegg \u0111\u00e3 ch\u1ea5p nh\u1eadn ETH l\u00e0m ph\u01b0\u01a1ng ti\u1ec7n thanh to\u00e1n cho nhi\u1ec1u lo\u1ea1i h\u00e0ng h\u00f3a m\u00e0 h\u1ecd b\u00e0y b\u00e1n.<\/li>\n<li><i class=\"sui sui-chevron-right\" style=\"color:#333\"><\/i> <b>Ki\u1ebfm l\u1ee3i nhu\u1eadn:<\/b> Th\u1ebf gi\u1edbi DeFi cung c\u1ea5p v\u00f4 s\u1ed1 c\u00e1ch \u0111\u1ec3 ki\u1ebfm l\u1ee3i nhu\u1eadn b\u1eb1ng ETH m\u00e0 b\u1ea1n s\u1edf h\u1eefu. V\u00ed d\u1ee5, c\u00e1ch \u0111\u01a1n gi\u1ea3n nh\u1ea5t trong s\u1ed1 n\u00e0y l\u00e0 th\u00f4ng qua Liquid Staking. C\u00e1c n\u1ec1n t\u1ea3ng nh\u01b0 Lido cho ph\u00e9p b\u1ea1n g\u1eedi ETH c\u1ee7a m\u00ecnh v\u00e0o m\u1ed9t h\u1ee3p \u0111\u1ed3ng th\u00f4ng minh \u0111\u1ec3 \u0111\u1ed5i l\u1ea5y token \u0111\u1eb7t c\u01b0\u1ee3c (stake) thanh kho\u1ea3n mang l\u1ea1i l\u1ee3i nhu\u1eadn t\u1eeb ph\u1ea7n th\u01b0\u1edfng \u0111\u1eb7t c\u01b0\u1ee3c. Sau \u0111\u00f3, b\u1ea1n c\u00f3 th\u1ec3 gi\u1eef ho\u1eb7c ho\u00e1n \u0111\u1ed5i c\u00e1c token c\u1ee7a m\u00ecnh n\u1ebfu c\u1ea7n \u2013 ho\u1eb7c th\u1eadm ch\u00ed s\u1eed d\u1ee5ng ch\u00fang l\u00e0m t\u00e0i s\u1ea3n th\u1ebf ch\u1ea5p trong c\u00e1c \u1ee9ng d\u1ee5ng cho vay ti\u1ec1n \u0111i\u1ec7n t\u1eed nh\u01b0 Aave.<\/li>\n<li><i class=\"sui sui-chevron-right\" style=\"color:#333\"><\/i> <b>HODL (N\u1eaeM GI\u1eee):<\/b> C\u00e1ch n\u00e0y th\u00ec ai c\u0169ng bi\u1ebft, b\u1ea1n ch\u1ec9 c\u1ea7n mua, n\u1eafm gi\u1eef ETH, ch\u1edd gi\u00e1 l\u00ean r\u1ed3i b\u00e1n ra l\u1ea5y l\u1ee3i. Trong th\u1ebf gi\u1edbi ti\u1ec1n \u0111i\u1ec7n t\u1eed chi\u1ebfn l\u01b0\u1ee3c n\u00e0y g\u1ecdi l\u00e0 HODLing. N\u1ebfu b\u1ea1n \u0111\u00e3 stake ETH c\u1ee7a m\u00ecnh th\u00f4ng qua c\u00e1c s\u00e0n giao d\u1ecbch nh\u01b0 Coinbase ho\u1eb7c giao th\u1ee9c \u0111\u1eb7t c\u01b0\u1ee3c thanh kho\u1ea3n nh\u01b0 Lido, b\u1ea1n c\u00f3 th\u1ec3 ki\u1ebfm \u0111\u01b0\u1ee3c t\u1ef7 su\u1ea5t l\u1ee3i su\u1ea5t kh\u00e1 t\u1ed1t, th\u01b0\u1eddng l\u00e0 kho\u1ea3ng 3,5%, ho\u1eb7c h\u01a1n.<\/li>\n<\/ul>\n<\/div><h2>\u01afu \u0110i\u1ec3m V\u00e0 Nh\u01b0\u1ee3c \u0110i\u1ec3m Khi \u0110\u1ea7u T\u01b0 Ethereum<\/h2><p><span class=\"replacer\"><\/span><br>\nH\u00e3y c\u00f9ng \u0111i s\u00e2u ph\u00e2n t\u00edch nh\u1eefng \u01b0u v\u00e0 nh\u01b0\u1ee3c \u0111i\u1ec3m c\u1ee7a vi\u1ec7c \u0111\u1ea7u t\u01b0 v\u00e0o \u0111\u1ed3ng <strong>Ethereum<\/strong> \u1edf th\u1eddi \u0111i\u1ec3m hi\u1ec7n t\u1ea1i nh\u00e9:<\/p><div class=\"su-row\"><div class=\"su-column su-column-size-1-2\"><div class=\"su-column-inner su-u-clearfix su-u-trim\">\n<h3>\u01afu \u0111i\u1ec3m<\/h3>\n<div class=\"su-list\" style=\"margin-left:0px\">\n<ul>\n<li><i class=\"sui sui-check-circle\" style=\"color:#77e31f\"><\/i> Khi h\u1ec7 sinh th\u00e1i Ethereum ti\u1ebfp t\u1ee5c t\u0103ng tr\u01b0\u1edfng s\u1ebd th\u00fac \u0111\u1ea9y nhu c\u1ea7u l\u1edbn c\u1ee7a th\u1ecb tr\u01b0\u1eddng \u0111\u1ed1i v\u1edbi ETH.<\/li>\n<li><i class=\"sui sui-check-circle\" style=\"color:#77e31f\"><\/i> M\u1ed9t qu\u1ef9 ETH cho Ethereum nh\u01b0 Bitcoin s\u1ebd l\u00e0 minh ch\u1ee9ng, b\u1ea3o \u0111\u1ea3m ph\u00e1p l\u00fd t\u1ed1t nh\u1ea5t cho lo\u1ea1i ti\u1ec1n \u0111i\u1ec7n t\u1eed n\u00e0y.<\/li>\n<li><i class=\"sui sui-check-circle\" style=\"color:#77e31f\"><\/i> Ph\u1ea7n th\u01b0\u1edfng \u0111\u1eb7t c\u01b0\u1ee3c (stake) token mang l\u1ea1i l\u1ee3i nhu\u1eadn \u0111\u00e3 \u0111\u01b0\u1ee3c ch\u1ee9ng minh.<\/li>\n<li><i class=\"sui sui-check-circle\" style=\"color:#77e31f\"><\/i> <a href=\"https:\/\/cryptonewseth.com\/\" target=\"_blank\" rel=\"noopener\">\u0110\u1ea7u t\u01b0 Ethereum<\/a> l\u00e0 l\u1ef1a ch\u1ecdn tuy\u1ec7t v\u1eddi gi\u00fap \u0111a d\u1ea1ng h\u00f3a danh m\u1ee5c \u0111\u1ea7u t\u01b0.<\/li>\n<\/ul>\n<\/div><\/div><\/div> <div class=\"su-column su-column-size-1-2\"><div class=\"su-column-inner su-u-clearfix su-u-trim\">\n<h3>Nh\u01b0\u1ee3c \u0111i\u1ec3m<\/h3>\n<div class=\"su-list\" style=\"margin-left:0px\">\n<ul>\n<li><i class=\"sui sui-remove\" style=\"color:#e31f28\"><\/i> Gi\u00e1 ETH c\u00f3 kh\u1ea3 n\u0103ng bi\u1ebfn \u0111\u1ed9ng r\u1ea5t m\u1ea1nh ch\u1ec9 trong th\u1eddi gian ng\u1eafn.<\/li>\n<li><i class=\"sui sui-remove\" style=\"color:#e31f28\"><\/i> M\u1ee9c ph\u00ed giao d\u1ecbch cao c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn kh\u1ea3 n\u0103ng, nhu c\u1ea7u s\u1eed d\u1ee5ng Ethereum.<\/li>\n<li><i class=\"sui sui-remove\" style=\"color:#e31f28\"><\/i> C\u00e1c chu\u1ed7i kh\u1ed1i m\u1edbi h\u01a1n nh\u01b0 Solana cung c\u1ea5p giao d\u1ecbch nhanh h\u01a1n v\u1edbi chi ph\u00ed th\u1ea5p h\u01a1n, l\u00e0 \u0111\u1ed1i th\u1ee7 c\u1ea1nh tranh tr\u1ef1c ti\u1ebfp v\u1edbi Ethereum.<\/li>\n<\/ul>\n<\/div><\/div><\/div><\/div><h2>K\u1ebft lu\u1eadn \u2013 C\u00f3 N\u00ean \u0110\u1ea7u T\u01b0 V\u00e0o Ethereum Kh\u00f4ng?<\/h2><p><span class=\"replacer\"><\/span><br>\nEthereum v\u1eabn l\u00e0 m\u1ed9t trong nh\u1eefng lo\u1ea1i ti\u1ec1n \u0111i\u1ec7n t\u1eed h\u1ee9a h\u1eb9n nh\u1ea5t hi\u1ec7n t\u1ea1i cho c\u00e1c nh\u00e0 \u0111\u1ea7u t\u01b0. <strong>Vi\u1ec7c chuy\u1ec3n \u0111\u1ed5i sang Ethereum 2.0 gi\u00fap gi\u1ea3m thi\u1ec3u \u0111\u00e1ng k\u1ec3 t\u00e1c \u0111\u1ed9ng c\u1ee7a l\u1ea1m ph\u00e1t ngu\u1ed3n cung.<\/strong><\/p><p>Nhu c\u1ea7u v\u1ec1 m\u1ea1ng ng\u00e0y c\u00e0ng t\u0103ng trong khi ngu\u1ed3n cung \u0111\u00e3 \u0111\u01b0\u1ee3c t\u00edch h\u1ee3p c\u01a1 ch\u1ebf gi\u1ea3m ph\u00e1t khi\u1ebfn ETH v\u1eeba l\u00e0 ph\u01b0\u01a1ng th\u1ee9c \u0111\u1ea7u t\u01b0 h\u1ea5p d\u1eabn, v\u1eeba l\u00e0 h\u00ecnh th\u1ee9c l\u01b0u tr\u1eef gi\u00e1 tr\u1ecb h\u1ee3p l\u00fd.<\/p><p>L\u1ee3i su\u1ea5t \u0111\u1eb7t c\u01b0\u1ee3c (stake) b\u1ec1n v\u1eefng khi\u1ebfn Ethereum tr\u1edf n\u00ean n\u1ed5i b\u1eadt so v\u1edbi c\u00e1c lo\u1ea1i ti\u1ec1n \u0111i\u1ec7n t\u1eed kh\u00e1c, v\u1ed1n \u0111a s\u1ed1 kh\u00f4ng cung c\u1ea5p l\u1ee3i su\u1ea5t \u0111\u1eb7t c\u01b0\u1ee3c. Tuy nhi\u00ean, <strong>th\u1eb3ng th\u1eafn m\u00e0 n\u00f3i Ethereum kh\u00f4ng ph\u00f9 h\u1ee3p v\u1edbi t\u1ea5t c\u1ea3 c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng nh\u00e0 \u0111\u1ea7u t\u01b0. <\/strong><\/p><p>Bi\u1ebfn \u0111\u1ed9ng gi\u00e1 v\u00e0 th\u1eadm ch\u00ed l\u00e0 nh\u1eefng bi\u1ebfn \u0111\u1ed9ng kh\u00f3 l\u01b0\u1eddng li\u00ean quan t\u1edbi c\u00e1c quy \u0111\u1ecbnh ph\u00e1p l\u00fd c\u00f3 th\u1ec3 khi\u1ebfn Ethereum v\u00e0 c\u00e1c lo\u1ea1i ti\u1ec1n \u0111i\u1ec7n t\u1eed kh\u00e1c tr\u1edf n\u00ean r\u1ee7i ro h\u01a1n \u0111\u00e1ng k\u1ec3 so v\u1edbi c\u00e1c kho\u1ea3n \u0111\u1ea7u t\u01b0 truy\u1ec1n th\u1ed1ng.<strong> H\u00e3y t\u1ef1 m\u00ecnh th\u1ef1c hi\u1ec7n c\u00e1c nghi\u00ean c\u1ee9u k\u1ef9 l\u01b0\u1ee1ng tr\u01b0\u1edbc khi b\u1ecf ti\u1ec1n \u0111\u1ea7u t\u01b0 v\u00e0o b\u1ea5t c\u1ee9 \u0111\u1ed3ng ti\u1ec1n \u0111i\u1ec7n t\u1eed n\u00e0o<\/strong>, k\u1ec3 c\u1ea3 l\u00e0 Ethereum.<\/p><h2>C\u00e2u H\u1ecfi Th\u01b0\u1eddng G\u1eb7p<\/h2><p><span class=\"replacer\"><\/span><\/p><h3>Chu\u1ed7i kh\u1ed1i Ethereum s\u1eed d\u1ee5ng c\u01a1 ch\u1ebf \u0111\u1ed3ng thu\u1eadn n\u00e0o?<\/h3><p>Sau khi n\u00e2ng c\u1ea5p l\u00ean phi\u00ean b\u1ea3n Ethereum 2.0, Ethereum \u0111\u00e3 chuy\u1ec3n sang c\u01a1 ch\u1ebf b\u1eb1ng ch\u1ee9ng c\u1ed5 ph\u1ea7n Proof of Stake. C\u00f2n tr\u01b0\u1edbc \u0111\u00f3, gi\u1ed1ng nh\u01b0 Bitcoin, Dogecoin, Litecoin v\u00e0 nhi\u1ec1u lo\u1ea1i ti\u1ec1n \u0111i\u1ec7n t\u1eed kh\u00e1c, Ethereum s\u1eed d\u1ee5ng c\u01a1 ch\u1ebf \u0111\u1ed3ng thu\u1eadn b\u1eb1ng ch\u1ee9ng c\u00f4ng vi\u1ec7c Proof of Work.<\/p><h3>So s\u00e1nh c\u01a1 ch\u1ebf ho\u1ea1t \u0111\u1ed9ng c\u1ee7a Ethereum so v\u1edbi Bitcoin?<\/h3><p>Bitcoin s\u1eed d\u1ee5ng c\u01a1 ch\u1ebf \u0111\u1ed3ng thu\u1eadn Proof of Work, y\u00eau c\u1ea7u ng\u01b0\u1eddi d\u00f9ng \u0111\u00f3ng g\u00f3p s\u1ee9c m\u1ea1nh t\u00ednh to\u00e1n \u0111\u1ec3 duy tr\u00ec s\u1ee9c m\u1ea1nh c\u1ee7a m\u1ea1ng, \u0111\u1ed3ng th\u1eddi nh\u1eadn \u0111\u01b0\u1ee3c c\u00e1c ph\u1ea7n th\u01b0\u1edfng kh\u1ed1i. C\u00e1c t\u00e0i nguy\u00ean \u0111\u01b0\u1ee3c cung c\u1ea5p sau \u0111\u00f3 s\u1ebd \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 gi\u1ea3i c\u00e1c ph\u01b0\u01a1ng tr\u00ecnh to\u00e1n h\u1ecdc ph\u1ee9c t\u1ea1p nh\u1eb1m x\u1eed l\u00fd c\u00e1c giao d\u1ecbch v\u00e0 khai th\u00e1c c\u00e1c block BTC m\u1edbi. Ethereum s\u1eed d\u1ee5ng c\u01a1 ch\u1ebf b\u1eb1ng ch\u1ee9ng c\u1ed5 ph\u1ea7n ti\u00ean ti\u1ebfn h\u01a1n, y\u00eau c\u1ea7u ng\u01b0\u1eddi d\u00f9ng \u0111\u00f3ng g\u00f3p token v\u00e0 tr\u1edf th\u00e0nh ng\u01b0\u1eddi x\u00e1c th\u1ef1c gi\u00e1m s\u00e1t qu\u00e1 tr\u00ecnh x\u1eed l\u00fd c\u00e1c giao d\u1ecbch.<\/p><h3>Ai l\u00e0 ng\u01b0\u1eddi ki\u1ec3m so\u00e1t Ethereum?<\/h3><p>Ethereum ho\u00e0n to\u00e0n phi t\u1eadp trung h\u00f3a, c\u00f3 ngh\u0129a l\u00e0 kh\u00f4ng c\u00f3 c\u01a1 quan n\u00e0o th\u1ef1c s\u1ef1 c\u00f3 quy\u1ec1n ki\u1ec3m so\u00e1t, kh\u1ed1ng ch\u1ebf Ethereum. C\u00e1c nh\u00e0 ph\u00e1t tri\u1ec3n t\u1ea1o ra c\u00e1c b\u1ea3n n\u00e2ng c\u1ea5p m\u1edbi cho Ethereum, nh\u01b0ng c\u1ed9ng \u0111\u1ed3ng m\u1edbi th\u1ef1c s\u1ef1 l\u00e0 nh\u1eefng ng\u01b0\u1eddi \u0111i\u1ec1u h\u00e0nh Ethereum. T\u1ea5t c\u1ea3 c\u00e1c quy\u1ebft \u0111\u1ecbnh \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n th\u00f4ng qua c\u01a1 ch\u1ebf b\u1ecf phi\u1ebfu trong m\u1ed9t n\u1ec1n d\u00e2n ch\u1ee7 th\u1ef1c s\u1ef1.<\/p><h3>\u0110i\u1ec3m kh\u00e1c bi\u1ec7t ch\u1ee7 y\u1ebfu gi\u1eefa staking on-chain v\u00e0 off-chain l\u00e0 g\u00ec?<\/h3><p>M\u1eb7c d\u00f9 c\u00f3 t\u00ean v\u00e0 thi\u1ebft k\u1ebf t\u01b0\u01a1ng t\u1ef1 tr\u00ean giao di\u1ec7n m\u00e1y kh\u00e1ch nh\u01b0ng staking on-chain (tr\u00ean chu\u1ed7i) v\u00e0 off-chain (ngo\u00e0i chu\u1ed7i) v\u1ec1 m\u1eb7t b\u1ea3n ch\u1ea5t l\u00e0 c\u00e1c t\u00ednh n\u0103ng ho\u00e0n to\u00e0n ri\u00eang bi\u1ec7t. Staking on-chain s\u1eed d\u1ee5ng c\u00e1c t\u00e0i s\u1ea3n \u201cOn-chain\u201d trong giao th\u1ee9c B\u1eb1ng ch\u1ee9ng c\u1ed5 ph\u1ea7n (Proof-of-Stake), ch\u1eb3ng h\u1ea1n nh\u01b0 Ethereum. C\u00f2n staking off-chain s\u1eed d\u1ee5ng t\u00e0i s\u1ea3n \u201cOff-chain\u201d.<\/p><h3>C\u01a1 ch\u1ebf b\u1eb1ng ch\u1ee9ng c\u1ed5 ph\u1ea7n l\u00e0 g\u00ec?<\/h3><p>B\u1eb1ng ch\u1ee9ng c\u1ed5 ph\u1ea7n (ti\u1ebfng Anh l\u00e0 proof-of-stake) l\u00e0 thu\u1eadt to\u00e1n \u0111\u1ed3ng thu\u1eadn s\u1eed d\u1ee5ng token ti\u1ec1n \u0111i\u1ec7n t\u1eed v\u00e0 \u01b0u \u0111\u00e3i m\u1ea1ng \u0111\u1ec3 duy tr\u00ec m\u1ee9c \u0111\u1ed9 an to\u00e0n, b\u1ea3o m\u1eadt cho blockchain. Tr\u00ean blockchain b\u1eb1ng ch\u1ee9ng c\u1ed5 ph\u1ea7n nh\u01b0 Ethereum, c\u00e1c token ETH s\u1ebd \u0111\u01b0\u1ee3c staking (\u0111\u1eb7t c\u01b0\u1ee3c), qua \u0111\u00f3 gi\u00fap nh\u1eefng ng\u01b0\u1eddi x\u00e1c th\u1ef1c m\u1ea1ng \u0111\u1ee7 \u0111i\u1ec1u ki\u1ec7n x\u00e1c minh c\u00e1c giao d\u1ecbch v\u00e0 khuy\u1ebfn kh\u00edch h\u00e0nh vi trung th\u1ef1c c\u1ee7a h\u1ecd. S\u1ed1 l\u01b0\u1ee3ng ETH m\u00e0 m\u1ed9t ng\u01b0\u1eddi x\u00e1c th\u1ef1c staking t\u1ef7 l\u1ec7 thu\u1eadn v\u1edbi kh\u1ea3 n\u0103ng h\u1ecd s\u1ebd \u0111\u01b0\u1ee3c ch\u1ecdn \u0111\u1ec3 x\u00e1c th\u1ef1c giao d\u1ecbch. Nh\u1eefng ng\u01b0\u1eddi \u0111\u01b0\u1ee3c ch\u1ecdn \u0111\u1ec3 x\u00e1c minh vi\u1ec7c th\u1ef1c hi\u1ec7n c\u00e1c giao d\u1ecbch tr\u00ean blockchain b\u1eb1ng ch\u1ee9ng c\u1ed5 ph\u1ea7n nh\u01b0 Ethereum \u0111\u1ec1u s\u1ebd \u0111\u01b0\u1ee3c nh\u1eadn th\u01b0\u1edfng b\u1eb1ng ETH.<\/p>","protected":false},"excerpt":{"rendered":"<p>Ra m\u1eaft v\u00e0o n\u0103m 2015, Ethereum khi \u0111\u00f3 l\u00e0 blockchain v\u1edbi h\u1ee3p \u0111\u1ed3ng th\u00f4ng minh \u0111\u1ea7u ti\u00ean tr\u00ean th\u1ebf gi\u1edbi.Ng\u00e0y nay, Ethereum v\u1eabn d\u1eabn \u0111\u1ea7u th\u1ecb tr\u01b0\u1eddng crypto v\u1edbi h\u00e0ng ch\u1ee5c t\u1ef7 USD \u0111\u01b0\u1ee3c kh\u00f3a trong c\u00e1c h\u1ee3p \u0111\u1ed3ng th\u00f4ng minh \u0111\u1ec3 ki\u1ebfm l\u1ee3i nhu\u1eadn, ho\u00e1n \u0111\u1ed5i token v\u00e0 v\u00f4 s\u1ed1 m\u1ee5c \u0111\u00edch s\u1eed d\u1ee5ng [&hellip;]<\/p>\n","protected":false},"author":481,"featured_media":122984,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"footnotes":""},"topics":[],"class_list":["post-141841","academy","type-academy","status-publish","has-post-thumbnail","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Ethereum L\u00e0 G\u00ec? 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