{"id":15091,"date":"2025-05-28T08:12:28","date_gmt":"2025-05-28T01:12:28","guid":{"rendered":"https:\/\/bitcoinvn.io\/news\/?p=15091"},"modified":"2025-05-30T04:58:44","modified_gmt":"2025-05-29T21:58:44","slug":"segwit-la-gi","status":"publish","type":"post","link":"https:\/\/bitcoinvn.io\/news\/vi\/segwit-la-gi\/","title":{"rendered":"Segwit l\u00e0 g\u00ec v\u00e0 n\u00f3 \u1ea3nh h\u01b0\u1edfng th\u1ebf n\u00e0o \u0111\u1ebfn Bitcoin?"},"content":{"rendered":"<p><i><span style=\"font-weight: 400;\">Ch\u1ec9 v\u1edbi m\u1ed9t \u201cthay \u0111\u1ed5i nh\u1ecf\u201d trong c\u1ea5u tr\u00fac giao d\u1ecbch, Bitcoin \u0111\u00e3 gi\u00fap ph\u00ed r\u1ebb h\u01a1n, t\u1ed1c \u0111\u1ed9 nhanh h\u01a1n v\u00e0 c\u1ea3 nh\u1eefng m\u1ea1ng l\u01b0\u1edbi thanh to\u00e1n ch\u1edbp nho\u00e1ng nh\u01b0 Lightning Network? H\u00e3y c\u00f9ng kh\u00e1m ph\u00e1 <\/span><\/i><a href=\"https:\/\/bitcoinvn.io\/news\/segwit-la-gi\/\"><b><i>SegWit l\u00e0 g\u00ec<\/i><\/b><\/a><i><span style=\"font-weight: 400;\"> v\u00e0 t\u1ea1i sao n\u00f3 l\u1ea1i quan tr\u1ecdng \u0111\u1ed1i v\u1edbi Bitcoin trong b\u00e0i vi\u1ebft n\u00e0y nh\u00e9!<\/span><\/i><\/p>\n<figure id=\"attachment_15097\" aria-describedby=\"caption-attachment-15097\" style=\"width: 600px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-15097 size-full\" src=\"https:\/\/bitcoinvn.io\/news\/wp-content\/uploads\/2025\/05\/segwit-la-gi-2.jpg\" alt=\"Segwit l\u00e0 g\u00ec? N\u00f3 \u1ea3nh h\u01b0\u1edfng nh\u01b0 th\u1ebf n\u00e0o \u0111\u1ebfn giao d\u1ecbch v\u00e0 l\u01b0u tr\u1eef Bitcoin? T\u00ecm hi\u1ec3u ngay!\" width=\"600\" height=\"316\" srcset=\"https:\/\/bitcoinvn.io\/news\/wp-content\/uploads\/2025\/05\/segwit-la-gi-2.jpg 600w, https:\/\/bitcoinvn.io\/news\/wp-content\/uploads\/2025\/05\/segwit-la-gi-2-300x158.jpg 300w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><figcaption id=\"caption-attachment-15097\" class=\"wp-caption-text\">Segwit l\u00e0 g\u00ec? N\u00f3 \u1ea3nh h\u01b0\u1edfng nh\u01b0 th\u1ebf n\u00e0o \u0111\u1ebfn giao d\u1ecbch v\u00e0 l\u01b0u tr\u1eef Bitcoin? T\u00ecm hi\u1ec3u ngay!<\/figcaption><\/figure>\n<h2><b>SegWit l\u00e0 g\u00ec?<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">Segregated Witness (SegWit) l\u00e0 m\u1ed9t b\u1ea3n n\u00e2ng c\u1ea5p quan tr\u1ecdng c\u1ee7a Bitcoin \u0111\u01b0\u1ee3c <\/span><b>ra m\u1eaft v\u00e0o n\u0103m 2017<\/b><span style=\"font-weight: 400;\">. N\u00f3 gi\u00fap Bitcoin ch\u1ea1y<\/span><b> nhanh h\u01a1n v\u00e0 an to\u00e0n h\u01a1n<\/b><span style=\"font-weight: 400;\"> b\u1eb1ng c\u00e1ch thay \u0111\u1ed5i c\u00e1ch l\u01b0u tr\u1eef th\u00f4ng tin giao d\u1ecbch.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">C\u1ee5 th\u1ec3, tr\u01b0\u1edbc khi c\u00f3 SegWit, ch\u1eef k\u00fd ph\u00ea duy\u1ec7t giao d\u1ecbch Bitcoin c\u00f3 th\u1ec3 b\u1ecb thay \u0111\u1ed5i m\u00e0 kh\u00f4ng \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn giao d\u1ecbch. \u0110i\u1ec1u n\u00e0y c\u00f3 ngh\u0129a l\u00e0: m\u1ed7i l\u1ea7n \u0111\u1ed5i ch\u1eef k\u00fd l\u00e0 m\u1ed9t l\u1ea7n m\u1ea1ng hi\u1ec3u nh\u1ea7m l\u00e0 nhi\u1ec1u giao d\u1ecbch kh\u00e1c nhau. \u0110\u00e2y l\u00e0 nguy\u00ean nh\u00e2n khi\u1ebfn m\u1ea1ng Bitcoin d\u1ea7n qu\u00e1 t\u1ea3i.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u0110\u1ec3 gi\u1ea3i quy\u1ebft v\u1ea5n \u0111\u1ec1 n\u00e0y, SegWit chia giao d\u1ecbch th\u00e0nh 2 ph\u1ea7n: ph\u1ea7n ch\u00ednh ch\u1ee9a th\u00f4ng tin ng\u01b0\u1eddi g\u1eedi v\u00e0 ng\u01b0\u1eddi nh\u1eadn, c\u00f2n ph\u1ea7n ch\u1eef k\u00fd (witness) \u0111\u01b0\u1ee3c t\u00e1ch ri\u00eang v\u00e0 \u0111\u1eb7t \u1edf cu\u1ed1i kh\u1ed1i. \u0110\u1ea3m b\u1ea3o <\/span><b>m\u1ed7i giao d\u1ecbch ch\u1ec9 c\u00f3 1 m\u00e3 \u0111\u1ecbnh danh duy nh\u1ea5t<\/b><span style=\"font-weight: 400;\"> &amp; kh\u00f4ng th\u1ec3 thay \u0111\u1ed5i.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Nh\u1edd v\u1eady, Bitcoin c\u00f3 th\u1ec3 x\u1eed l\u00fd nhi\u1ec1u giao d\u1ecbch h\u01a1n trong m\u1ed7i kh\u1ed1i, gi\u1ea3m th\u1eddi gian ch\u1edd x\u00e1c nh\u1eadn. \u0110i\u1ec1u n\u00e0y c\u0169ng m\u1edf ra c\u01a1 h\u1ed9i cho c\u00e1c c\u00f4ng ngh\u1ec7 m\u1edbi nh\u01b0 Lightning Network v\u00e0 h\u1ee3p \u0111\u1ed3ng th\u00f4ng minh trong t\u01b0\u01a1ng lai.<\/span><\/p>\n<blockquote><p><b><i>SegWit \u0111\u01b0\u1ee3c ph\u00e1t tri\u1ec3n b\u1edfi Pieter Wuille, Eric Lombrozo v\u00e0 Johnson Lau. Wuille c\u0169ng l\u00e0 \u0111\u1ed3ng s\u00e1ng l\u1eadp c\u00f4ng ty <\/i><\/b><a href=\"https:\/\/bitcoinvn.io\/shop\/product-category\/vi-cung\/blockstream-vi\/?utm_source=Google+&amp;utm_medium=segwit-la-gi&amp;utm_id=SEO2025\" target=\"_blank\" rel=\"noopener\"><b><i>Blockstream<\/i><\/b><\/a><b><i>.<\/i><\/b><\/p><\/blockquote>\n<figure id=\"attachment_15092\" aria-describedby=\"caption-attachment-15092\" style=\"width: 600px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-15092 size-full\" src=\"https:\/\/bitcoinvn.io\/news\/wp-content\/uploads\/2025\/05\/segwit-la-gi-7.jpg\" alt=\"\u00a0SegWit thay \u0111\u1ed5i c\u00e1ch \u0111\u1ecbnh d\u1ea1ng giao d\u1ecbch, gi\u00fap giao d\u1ecbch nhanh h\u01a1n\" width=\"600\" height=\"360\" srcset=\"https:\/\/bitcoinvn.io\/news\/wp-content\/uploads\/2025\/05\/segwit-la-gi-7.jpg 600w, https:\/\/bitcoinvn.io\/news\/wp-content\/uploads\/2025\/05\/segwit-la-gi-7-300x180.jpg 300w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><figcaption id=\"caption-attachment-15092\" class=\"wp-caption-text\">SegWit thay \u0111\u1ed5i c\u00e1ch \u0111\u1ecbnh d\u1ea1ng giao d\u1ecbch, gi\u00fap giao d\u1ecbch nhanh h\u01a1n<\/figcaption><\/figure>\n<h2><b>Qu\u00e1 tr\u00ecnh ph\u00e1t hi\u1ec7n v\u1ea5n \u0111\u1ec1 c\u1ee7a m\u1ea1ng Bitcoin &amp; c\u00e1ch m\u00e0 SegWit x\u1eed l\u00fd<\/b><\/h2>\n<h3><b>Ph\u00e1t hi\u1ec7n v\u1ea5n \u0111\u1ec1<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">Khi m\u1ed9t ng\u01b0\u1eddi d\u00f9ng g\u1eedi Bitcoin cho ng\u01b0\u1eddi kh\u00e1c, c\u1ea7n hai lo\u1ea1i th\u00f4ng tin: \u0111\u1ecba ch\u1ec9 c\u00f4ng khai (public address) v\u00e0 kh\u00f3a ri\u00eang t\u01b0 (<\/span><a href=\"https:\/\/bitcoinvn.io\/news\/khoa-rieng-tu-private-key-la-gi\/?utm_source=Google+&amp;utm_medium=segwit-la-gi&amp;utm_id=SEO2025\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">private key<\/span><\/a><span style=\"font-weight: 400;\">).<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">\u0110\u1ecba ch\u1ec9 c\u00f4ng khai l\u00e0 \u0111\u1ecbnh danh s\u1ed1 m\u00e0 c\u1ea3 m\u1ea1ng \u0111\u1ec1u c\u00f3 th\u1ec3 th\u1ea5y, d\u00f9ng \u0111\u1ec3 nh\u1eadn\/g\u1eedi Bitcoin.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Kh\u00f3a ri\u00eang t\u01b0 l\u00e0 b\u00ed m\u1eadt, d\u00f9ng \u0111\u1ec3 x\u00e1c nh\u1eadn quy\u1ec1n s\u1edf h\u1eefu \u0111\u1ecba ch\u1ec9 c\u00f4ng khai.<\/span><span style=\"font-weight: 400;\"><br \/>\n<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Khi ng\u01b0\u1eddi d\u00f9ng g\u1eedi Bitcoin, h\u1ecd ph\u00e1t \u0111i y\u00eau c\u1ea7u g\u1ed3m: \u0111\u1ecba ch\u1ec9 c\u00f4ng khai, s\u1ed1 l\u01b0\u1ee3ng <\/span><a href=\"https:\/\/bitcoinvn.io\/vi\/?deposit=usdterc20&amp;settle=btc&amp;utm_source=Google+&amp;utm_medium=segwit-la-gi&amp;utm_id=SEO2025\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">Bitcoin<\/span><\/a><span style=\"font-weight: 400;\"> g\u1eedi v\u00e0 m\u1ed9t kho\u1ea3n ph\u00ed cho th\u1ee3 \u0111\u00e0o. Th\u1ee3 \u0111\u00e0o m\u00e3 h\u00f3a th\u00f4ng tin n\u00e0y v\u00e0 t\u1ea1o m\u00e3 \u0111\u1ecbnh danh giao d\u1ecbch (transaction ID). Giao d\u1ecbch \u0111\u01b0\u1ee3c \u0111\u01b0a v\u00e0o h\u00e0ng \u0111\u1ee3i v\u00e0 khi m\u1ed9t kh\u1ed1i m\u1edbi \u0111\u01b0\u1ee3c t\u1ea1o, c\u00e1c giao d\u1ecbch s\u1ebd \u0111\u01b0\u1ee3c th\u00eam v\u00e0o theo th\u1ee9 t\u1ef1 \u01b0u ti\u00ean.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Kh\u1ed1i ch\u1ec9 \u0111\u01b0\u1ee3c x\u00e1c nh\u1eadn v\u00e0 th\u00eam v\u00e0o blockchain khi h\u01a1n 50% c\u00e1c n\u00fat trong m\u1ea1ng \u0111\u1ed3ng \u00fd giao d\u1ecbch h\u1ee3p l\u1ec7. Tuy nhi\u00ean, trong m\u1ed7i giao d\u1ecbch c\u00f3 ph\u1ea7n ch\u1eef k\u00fd s\u1ed1 (digital signature) chi\u1ebfm nhi\u1ec1u dung l\u01b0\u1ee3ng, khi\u1ebfn s\u1ed1 l\u01b0\u1ee3ng giao d\u1ecbch trong m\u1ed7i kh\u1ed1i b\u1ecb gi\u1edbi h\u1ea1n.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Khi s\u1ed1 l\u01b0\u1ee3ng ng\u01b0\u1eddi d\u00f9ng Bitcoin t\u0103ng, m\u1ea1ng b\u1ecb ch\u1eadm l\u1ea1i v\u00ec k\u00edch th\u01b0\u1edbc kh\u1ed1i ch\u1ec9 gi\u1edbi h\u1ea1n 1 MB. C\u00e1c nh\u00e0 ph\u00e1t tri\u1ec3n x\u00e1c \u0111\u1ecbnh ph\u1ea7n ch\u1eef k\u00fd l\u00e0 nguy\u00ean nh\u00e2n ch\u00ednh l\u00e0m t\u0103ng k\u00edch th\u01b0\u1edbc giao d\u1ecbch.<\/span><\/p>\n<figure id=\"attachment_15094\" aria-describedby=\"caption-attachment-15094\" style=\"width: 600px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-15094 size-full\" src=\"https:\/\/bitcoinvn.io\/news\/wp-content\/uploads\/2025\/05\/segwit-la-gi-5.jpg\" alt=\"M\u00f4 ph\u1ecfng giao d\u1ecbch Bitcoin tr\u01b0\u1edbc v\u00e0 sau Segwit\" width=\"600\" height=\"407\" srcset=\"https:\/\/bitcoinvn.io\/news\/wp-content\/uploads\/2025\/05\/segwit-la-gi-5.jpg 600w, https:\/\/bitcoinvn.io\/news\/wp-content\/uploads\/2025\/05\/segwit-la-gi-5-300x204.jpg 300w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><figcaption id=\"caption-attachment-15094\" class=\"wp-caption-text\">M\u00f4 ph\u1ecfng giao d\u1ecbch Bitcoin tr\u01b0\u1edbc v\u00e0 sau Segwit<\/figcaption><\/figure>\n<h3><b>C\u00e1ch gi\u1ea3i quy\u1ebft v\u1ea5n \u0111\u1ec1 c\u1ee7a SegWit l\u00e0 g\u00ec?<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">Nh\u00e0 ph\u00e1t tri\u1ec3n Bitcoin \u2013 Dr. Pieter Wuille \u0111\u00e3 \u0111\u1ec1 xu\u1ea5t t\u00e1ch ch\u1eef k\u00fd s\u1ed1 (witness) ra kh\u1ecfi d\u1eef li\u1ec7u giao d\u1ecbch ch\u00ednh. \u0110i\u1ec1u n\u00e0y gi\u00fap:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Gi\u1ea3m dung l\u01b0\u1ee3ng l\u01b0u tr\u1eef giao d\u1ecbch.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">T\u0103ng s\u1ed1 l\u01b0\u1ee3ng giao d\u1ecbch c\u00f3 th\u1ec3 \u0111\u01b0a v\u00e0o m\u1ed9t kh\u1ed1i.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">T\u0103ng t\u1ed1c \u0111\u1ed9 x\u1eed l\u00fd giao d\u1ecbch.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Sau khi \u00e1p d\u1ee5ng SegWit, Bitcoin \u0111\u00e3 chuy\u1ec3n sang gi\u1edbi h\u1ea1n m\u1edbi l\u00e0 4 tri\u1ec7u \u0111\u01a1n v\u1ecb tr\u1ecdng l\u01b0\u1ee3ng (weight units &#8211; WU) cho m\u1ed7i kh\u1ed1i thay v\u00ec gi\u1edbi h\u1ea1n 1MB tr\u01b0\u1edbc \u0111\u00e2y.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u0110i\u1ec1u n\u00e0y kh\u00f4ng c\u00f3 ngh\u0129a k\u00edch th\u01b0\u1edbc kh\u1ed1i t\u0103ng l\u00ean 4MB m\u00e0 gi\u1edbi h\u1ea1n \u0111\u01b0\u1ee3c t\u00ednh d\u1ef1a tr\u00ean tr\u1ecdng l\u01b0\u1ee3ng d\u1eef li\u1ec7u &#8211; m\u1ed9t c\u00e1ch \u0111o kh\u00e1c v\u1edbi megabyte.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">V\u00ed d\u1ee5:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Kh\u1ed1i s\u1ed1 720399 (ng\u00e0y 25\/1\/2022) c\u00f3 k\u00edch th\u01b0\u1edbc 1.558 MB nh\u01b0ng tr\u1ecdng l\u01b0\u1ee3ng l\u00e0 3.993 tri\u1ec7u WU<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Kh\u1ed1i s\u1ed1 720340 c\u00f3 k\u00edch th\u01b0\u1edbc 1.457 MB nh\u01b0ng c\u0169ng n\u1eb7ng 3.993 tri\u1ec7u WU<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">\u0110i\u1ec1u n\u00e0y cho th\u1ea5y k\u00edch th\u01b0\u1edbc t\u00ednh theo MB v\u00e0 tr\u1ecdng l\u01b0\u1ee3ng d\u1eef li\u1ec7u c\u00f3 th\u1ec3 kh\u00e1c nhau, nh\u01b0ng kh\u1ed1i v\u1eabn \u0111\u1ea1t gi\u1edbi h\u1ea1n tr\u1ecdng l\u01b0\u1ee3ng cho ph\u00e9p.<\/span><\/p>\n<figure id=\"attachment_15095\" aria-describedby=\"caption-attachment-15095\" style=\"width: 600px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-15095 size-full\" src=\"https:\/\/bitcoinvn.io\/news\/wp-content\/uploads\/2025\/05\/segwit-la-gi-4.jpg\" alt=\"C\u00e1c ph\u1ea7n \u0111\u01b0\u1ee3c t\u00e1ch ra trong giao d\u1ecbch c\u00f3 Segwit\" width=\"600\" height=\"545\" srcset=\"https:\/\/bitcoinvn.io\/news\/wp-content\/uploads\/2025\/05\/segwit-la-gi-4.jpg 600w, https:\/\/bitcoinvn.io\/news\/wp-content\/uploads\/2025\/05\/segwit-la-gi-4-300x273.jpg 300w, https:\/\/bitcoinvn.io\/news\/wp-content\/uploads\/2025\/05\/segwit-la-gi-4-462x420.jpg 462w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><figcaption id=\"caption-attachment-15095\" class=\"wp-caption-text\">C\u00e1c ph\u1ea7n \u0111\u01b0\u1ee3c t\u00e1ch ra trong giao d\u1ecbch c\u00f3 Segwit<\/figcaption><\/figure>\n<h2><b>T\u1ea1i sao SegWit quan tr\u1ecdng \u0111\u1ed1i v\u1edbi m\u1ea1ng Bitcoin?<\/b><\/h2>\n<h3><b>Gi\u1ea3i quy\u1ebft v\u1ea5n \u0111\u1ec1 gi\u1edbi h\u1ea1n k\u00edch th\u01b0\u1edbc kh\u1ed1i<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">Tr\u01b0\u1edbc SegWit, m\u1ed7i kh\u1ed1i Bitcoin ch\u1ec9 ch\u1ee9a t\u1ed1i \u0111a 1MB d\u1eef li\u1ec7u, g\u00e2y ra t\u1eafc ngh\u1ebdn v\u00e0 ph\u00ed cao khi giao d\u1ecbch nhi\u1ec1u. SegWit thay \u0111\u1ed5i b\u1eb1ng c\u00e1ch d\u00f9ng \u201ctr\u1ecdng l\u01b0\u1ee3ng kh\u1ed1i\u201d thay v\u00ec t\u00ednh theo MB. Gi\u1edd \u0111\u00e2y, m\u1ed7i kh\u1ed1i c\u00f3 th\u1ec3 ch\u1ee9a \u0111\u1ebfn 4 tri\u1ec7u \u0111\u01a1n v\u1ecb tr\u1ecdng l\u01b0\u1ee3ng (WU), trong \u0111\u00f3 ph\u1ea7n d\u1eef li\u1ec7u ch\u1eef k\u00fd ch\u1ec9 t\u00ednh 25% kh\u1ed1. Nh\u1edd \u0111\u00f3 kh\u1ed1i ch\u1ee9a \u0111\u01b0\u1ee3c nhi\u1ec1u giao d\u1ecbch h\u01a1n, gi\u1ea3m t\u1ea3i cho m\u1ea1ng, t\u0103ng t\u1ed1c x\u1eed l\u00fd v\u00e0 gi\u1ea3m ph\u00ed.<\/span><\/p>\n<h3><b>Gi\u1ea3m ph\u00ed giao d\u1ecbch<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">N\u1ebfu h\u1ecfi l\u1ee3i \u00edch l\u1edbn nh\u1ea5t c\u1ee7a SegWit l\u00e0 g\u00ec? C\u00e2u tr\u1ea3 l\u1eddi ch\u00ednh l\u00e0 n\u00f3 gi\u00fap gi\u1ea3m ph\u00ed r\u00f5 r\u1ec7t v\u00ec d\u1eef li\u1ec7u ch\u1eef k\u00fd b\u1ecb t\u00ednh ph\u00ed nh\u1eb9 h\u01a1n so v\u1edbi d\u1eef li\u1ec7u ch\u00ednh. V\u00ed d\u1ee5:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Giao d\u1ecbch t\u1eeb v\u00ed \u0111\u01a1n k\u00fd (singlesig) c\u00f3 th\u1ec3 gi\u1ea3m ph\u00ed \u0111\u1ebfn 53%.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Giao d\u1ecbch t\u1eeb v\u00ed \u0111a ch\u1eef k\u00fd (multisig) gi\u1ea3m \u0111\u1ebfn 64%.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Ph\u00ed th\u1ea5p h\u01a1n c\u0169ng gi\u00fap ng\u01b0\u1eddi d\u00f9ng g\u1eedi nh\u1eefng kho\u1ea3n ti\u1ec1n nh\u1ecf m\u00e0 kh\u00f4ng lo b\u1ecb t\u00ednh\u00a0 ph\u00ed giao d\u1ecbch cao h\u01a1n gi\u00e1 tr\u1ecb ti\u1ec1n g\u1eedi (\u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 \u201c\u0111\u1ea7u ra b\u1ee5i\u201d).<\/span><\/p>\n<h3><b>T\u0103ng hi\u1ec7u qu\u1ea3 khi k\u00fd giao d\u1ecbch<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">SegWit gi\u00fap gi\u1ea3m \u0111\u1ed9 ph\u1ee9c t\u1ea1p t\u00ednh to\u00e1n khi k\u00fd c\u00e1c giao d\u1ecbch l\u1edbn, \u0111\u1eb7c bi\u1ec7t l\u00e0 v\u1edbi v\u00ed ph\u1ea7n c\u1ee9ng x\u1eed l\u00fd nhi\u1ec1u <\/span><a href=\"https:\/\/bitcoinvn.io\/news\/signing-mass-utxo\/?utm_source=Google+&amp;utm_medium=segwit-la-gi&amp;utm_id=SEO2025\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">UTXO<\/span><\/a><span style=\"font-weight: 400;\"> c\u00f9ng l\u00fac. Tr\u01b0\u1edbc \u0111\u00e2y, vi\u1ec7c k\u00fd nh\u1eefng giao d\u1ecbch nh\u01b0 v\u1eady c\u00f3 th\u1ec3 m\u1ea5t nhi\u1ec1u th\u1eddi gian ho\u1eb7c th\u1eadm ch\u00ed th\u1ea5t b\u1ea1i. Nh\u1edd SegWit, th\u1eddi gian x\u1eed l\u00fd k\u00fd giao d\u1ecbch tr\u1edf n\u00ean tuy\u1ebfn t\u00ednh h\u01a1n, t\u0103ng hi\u1ec7u su\u1ea5t v\u00e0 \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh.<\/span><\/p>\n<h3><b>T\u0103ng c\u01b0\u1eddng b\u1ea3o m\u1eadt cho v\u00ed \u0111a ch\u1eef k\u00fd<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">SegWit ng\u0103n ch\u1eb7n m\u1ed9t l\u1ed7 h\u1ed5ng b\u1ea3o m\u1eadt g\u1ecdi l\u00e0 \u201cP2SH birthday attack\u201d trong c\u00e1c v\u00ed \u0111a ch\u1eef k\u00fd. M\u1eb7c d\u00f9 l\u1ed7 h\u1ed5ng n\u00e0y r\u1ea5t kh\u00f3 khai th\u00e1c v\u00e0 ch\u01b0a t\u1eebng x\u1ea3y ra nh\u01b0ng SegWit v\u1eabn l\u00e0 h\u00e0ng r\u00e0o b\u1ea3o v\u1ec7 quan tr\u1ecdng, t\u0103ng \u0111\u1ed9 an to\u00e0n h\u01a1n cho c\u00e1c v\u00ed n\u00e0y trong t\u01b0\u01a1ng lai.<\/span><\/p>\n<figure id=\"attachment_15093\" aria-describedby=\"caption-attachment-15093\" style=\"width: 600px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-15093 size-full\" src=\"https:\/\/bitcoinvn.io\/news\/wp-content\/uploads\/2025\/05\/segwit-la-gi-6.jpg\" alt=\"Segwit \u0111em l\u1ea1i nhi\u1ec1u l\u1ee3i \u00edch trong giao d\u1ecbch v\u00e0 l\u01b0u tr\u1eef Bitcoin\" width=\"600\" height=\"400\" srcset=\"https:\/\/bitcoinvn.io\/news\/wp-content\/uploads\/2025\/05\/segwit-la-gi-6.jpg 600w, https:\/\/bitcoinvn.io\/news\/wp-content\/uploads\/2025\/05\/segwit-la-gi-6-300x200.jpg 300w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><figcaption id=\"caption-attachment-15093\" class=\"wp-caption-text\">Segwit \u0111em l\u1ea1i nhi\u1ec1u l\u1ee3i \u00edch trong giao d\u1ecbch v\u00e0 l\u01b0u tr\u1eef Bitcoin<\/figcaption><\/figure>\n<h2><b>D\u1ea5u hi\u1ec7u nh\u1eadn bi\u1ebft v\u00ed Bitcoin c\u00f3 s\u1eed d\u1ee5ng SegWit l\u00e0 g\u00ec?<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">B\u1ea1n c\u00f3 th\u1ec3 d\u1ec5 d\u00e0ng nh\u1eadn bi\u1ebft <\/span><a href=\"https:\/\/bitcoinvn.io\/news\/vi-tien-dien-tu\/?utm_source=Google+&amp;utm_medium=segwit-la-gi&amp;utm_id=SEO2025\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">v\u00ed Bitcoin<\/span><\/a><span style=\"font-weight: 400;\"> c\u00f3 d\u00f9ng SegWit b\u1eb1ng c\u00e1ch ki\u1ec3m tra \u0111\u1ecba ch\u1ec9 g\u1eedi ti\u1ec1n c\u1ee7a v\u00ed \u0111\u00f3! \u0110\u1ecba ch\u1ec9 s\u1eed d\u1ee5ng SegWit th\u01b0\u1eddng <\/span><b>b\u1eaft \u0111\u1ea7u b\u1eb1ng &#8220;bc1&#8221;<\/b><span style=\"font-weight: 400;\">, trong khi \u0111\u1ecba ch\u1ec9 c\u0169 tr\u01b0\u1edbc SegWit th\u00ec b\u1eaft \u0111\u1ea7u b\u1eb1ng s\u1ed1 &#8220;1&#8221; ho\u1eb7c &#8220;3&#8221;.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">V\u00ed d\u1ee5 \u0111\u1ecba ch\u1ec9 d\u00f9ng SegWit:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">bc1q34aq5drpuwy3wgl9lhup9892qp6svr8ldzyy7c<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">bc1qeklep85ntjz4605drds6aww9u0qr46qzrv5xswd35uhjuj8ahfcqgf6hak<\/span><span style=\"font-weight: 400;\"><br \/>\n<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">V\u00ed d\u1ee5 \u0111\u1ecba ch\u1ec9 c\u0169 kh\u00f4ng d\u00f9ng SegWit:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">12higDjoCCNXSA95xZMWUdPvXNmkAduhWv<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">342ftSRCvFHfCeFFBuz4xwbeqnDw6BGUey<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Tr\u01b0\u1edbc \u0111\u00e2y, c\u00f3 \u0111\u1ecba ch\u1ec9 b\u1eaft \u0111\u1ea7u b\u1eb1ng &#8220;3&#8221; g\u1ecdi l\u00e0 \u201cnested SegWit\u201d d\u00f9ng \u0111\u1ec3 nh\u1eadn Bitcoin t\u1eeb ng\u01b0\u1eddi ch\u01b0a n\u00e2ng c\u1ea5p SegWit. Nh\u01b0ng nay, lo\u1ea1i \u0111\u1ecba ch\u1ec9 n\u00e0y \u00edt d\u00f9ng v\u00ec h\u1ea7u h\u1ebft ng\u01b0\u1eddi d\u00f9ng \u0111\u00e3 g\u1eedi \u0111\u01b0\u1ee3c <\/span><a href=\"https:\/\/bitcoinvn.io\/vi\/?deposit=vnd&amp;settle=btc&amp;utm_source=Google+&amp;utm_medium=segwit-la-gi&amp;utm_id=SEO2025\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">Bitcoin<\/span><\/a><span style=\"font-weight: 400;\"> \u0111\u1ebfn \u0111\u1ecba ch\u1ec9 SegWit chu\u1ea9n.<\/span><\/p>\n<h2><b>C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p v\u1ec1 \u201cSegwit l\u00e0 g\u00ec?\u201d<\/b><\/h2>\n<h3><b>Giao d\u1ecbch SegWit c\u00f3 an to\u00e0n kh\u00f4ng?<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">R\u1ea5t an to\u00e0n. SegWit \u0111\u01b0\u1ee3c ph\u00e1t tri\u1ec3n \u0111\u1ec3 <\/span><b>t\u0103ng c\u01b0\u1eddng b\u1ea3o m\u1eadt<\/b><span style=\"font-weight: 400;\">, \u0111\u1eb7c bi\u1ec7t cho c\u00e1c v\u00ed \u0111a ch\u1eef k\u00fd.<\/span><\/p>\n<h3><b>V\u00ed SegWit c\u00f3 nh\u1eadn \u0111\u01b0\u1ee3c Bitcoin t\u1eeb v\u00ed th\u01b0\u1eddng kh\u00f4ng?<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">C\u00f3. V\u00ed SegWit <\/span><b>ho\u00e0n to\u00e0n t\u01b0\u01a1ng th\u00edch<\/b><span style=\"font-weight: 400;\"> v\u1edbi v\u00ed c\u0169, b\u1ea1n v\u1eabn c\u00f3 th\u1ec3 g\u1eedi\/nh\u1eadn b\u00ecnh th\u01b0\u1eddng gi\u1eefa hai lo\u1ea1i v\u00ed.<\/span><\/p>\n<h3><b>SegWit c\u00f3 b\u1eaft bu\u1ed9c kh\u00f4ng?<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">Kh\u00f4ng. Ng\u01b0\u1eddi d\u00f9ng <\/span><b>kh\u00f4ng b\u1eaft bu\u1ed9c ph\u1ea3i s\u1eed d\u1ee5ng SegWit<\/b><span style=\"font-weight: 400;\">, nh\u01b0ng \u0111\u01b0\u1ee3c khuy\u1ebfn kh\u00edch v\u00ec n\u00f3 c\u00f3 nhi\u1ec1u l\u1ee3i \u00edch r\u00f5 r\u1ec7t.<\/span><\/p>\n<h3><b>SegWit c\u00f3 li\u00ean quan g\u00ec \u0111\u1ebfn Lightning Network kh\u00f4ng?<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">C\u00f3. <\/span><b>Lightning Network c\u1ea7n SegWit<\/b><span style=\"font-weight: 400;\"> \u0111\u1ec3 ho\u1ea1t \u0111\u1ed9ng \u0111\u00fang, v\u00ec SegWit gi\u1ea3i quy\u1ebft l\u1ed7i &#8220;transaction malleability&#8221; &#8211; n\u1ec1n t\u1ea3ng quan tr\u1ecdng \u0111\u1ec3 x\u00e2y d\u1ef1ng c\u00e1c k\u00eanh thanh to\u00e1n nhanh ngo\u00e0i chu\u1ed7i.<\/span><\/p>\n<h3><b>T\u00f4i c\u00f3 th\u1ec3 chuy\u1ec3n v\u00ed c\u0169 sang v\u00ed SegWit kh\u00f4ng?<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">\u0110\u01b0\u1ee3c. B\u1ea1n c\u00f3 th\u1ec3 <\/span><b>chuy\u1ec3n to\u00e0n b\u1ed9 s\u1ed1 d\u01b0 sang v\u00ed m\u1edbi d\u00f9ng SegWit<\/b><span style=\"font-weight: 400;\"> \u0111\u1ec3 h\u01b0\u1edfng l\u1ee3i v\u1ec1 ph\u00ed v\u00e0 t\u1ed1c \u0111\u1ed9 giao d\u1ecbch.<\/span><\/p>\n<h3><b>Giao d\u1ecbch SegWit c\u00f3 c\u1ea7n th\u00eam b\u01b0\u1edbc n\u00e0o kh\u00f4ng?<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">Kh\u00f4ng. <\/span><b>C\u00e1ch g\u1eedi\/nh\u1eadn gi\u1ed1ng nh\u01b0 v\u00ed th\u01b0\u1eddng<\/b><span style=\"font-weight: 400;\">, ch\u1ec9 kh\u00e1c \u1edf c\u00e1ch v\u00ed x\u1eed l\u00fd b\u00ean trong \u0111\u1ec3 ti\u1ebft ki\u1ec7m chi ph\u00ed.<\/span><\/p>\n<h3><b>C\u00f3 nh\u01b0\u1ee3c \u0111i\u1ec3m n\u00e0o khi d\u00f9ng SegWit kh\u00f4ng?<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">H\u1ea7u nh\u01b0 kh\u00f4ng c\u00f3. Tuy nhi\u00ean:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">M\u1ed9t s\u1ed1 n\u1ec1n t\u1ea3ng c\u0169 c\u00f3 th\u1ec3 <\/span><b>ch\u01b0a h\u1ed7 tr\u1ee3 ho\u00e0n to\u00e0n<\/b><span style=\"font-weight: 400;\"> \u0111\u1ecbnh d\u1ea1ng \u0111\u1ecba ch\u1ec9 <\/span><span style=\"font-weight: 400;\">bc1<\/span><span style=\"font-weight: 400;\"><br \/>\n<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Ng\u01b0\u1eddi d\u00f9ng c\u1ea7n ki\u1ec3m tra k\u1ef9 \u0111\u1ecba ch\u1ec9 tr\u01b0\u1edbc khi g\u1eedi<\/span><\/li>\n<\/ul>\n<h3><b>T\u00f4i n\u00ean ch\u1ecdn \u0111\u1ecba ch\u1ec9 SegWit d\u1ea1ng 3 hay bc1?<\/b><\/h3>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">bc1<\/span><span style=\"font-weight: 400;\"> (Bech32) l\u00e0 d\u1ea1ng <\/span><b>hi\u1ec7n \u0111\u1ea1i, t\u1ed1i \u01b0u ph\u00ed nh\u1ea5t<\/b><b><br \/>\n<\/b><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">3<\/span><span style=\"font-weight: 400;\"> (P2SH) l\u00e0 d\u1ea1ng <\/span><b>t\u01b0\u01a1ng th\u00edch cao<\/b><span style=\"font-weight: 400;\">, d\u00f9ng \u0111\u01b0\u1ee3c tr\u00ean nhi\u1ec1u v\u00ed v\u00e0 s\u00e0n h\u01a1n<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">T\u00f9y nhu c\u1ea7u, nh\u01b0ng n\u1ebfu v\u00ed v\u00e0 s\u00e0n b\u1ea1n \u0111ang d\u00f9ng h\u1ed7 tr\u1ee3 <\/span><span style=\"font-weight: 400;\">bc1<\/span><span style=\"font-weight: 400;\">, th\u00ec n\u00ean d\u00f9ng d\u1ea1ng n\u00e0y.<\/span><\/p>\n<h3><b>SegWit trong ti\u1ec1n \u0111i\u1ec7n t\u1eed ngh\u0129a l\u00e0 g\u00ec?<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">SegWit l\u00e0 t\u1eeb gh\u00e9p c\u1ee7a \u201csegregated\u201d (t\u00e1ch bi\u1ec7t) v\u00e0 \u201cwitness\u201d (ch\u1ee9ng th\u1ef1c). N\u00f3 l\u00e0 m\u1ed9t c\u1ea3i ti\u1ebfn tr\u00ean blockchain Bitcoin gi\u00fap ng\u0103n ch\u1eb7n vi\u1ec7c thay \u0111\u1ed5i giao d\u1ecbch, t\u0103ng t\u1ed1c m\u1ea1ng l\u01b0\u1edbi v\u00e0 gi\u1ea3m ph\u00ed giao d\u1ecbch.<\/span><\/p>\n<h3><b>L\u1ee3i \u00edch c\u1ee7a SegWit l\u00e0 g\u00ec?<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">D\u00f9 c\u1ed9ng \u0111\u1ed3ng ti\u1ec1n \u0111i\u1ec7n t\u1eed v\u1eabn tranh lu\u1eadn v\u1ec1 vi\u1ec7c SegWit t\u1ed1t hay kh\u00f4ng, nh\u01b0ng n\u00f3 \u0111\u00e3 c\u1ea3i thi\u1ec7n b\u1ea3o m\u1eadt v\u00e0 gi\u1ea3m th\u1eddi gian giao d\u1ecbch, gi\u00fap blockchain, th\u1ee3 \u0111\u00e0o v\u00e0 c\u00e1c n\u00fat m\u1ea1ng ho\u1ea1t \u0111\u1ed9ng hi\u1ec7u qu\u1ea3 h\u01a1n. SegWit c\u0169ng m\u1edf \u0111\u01b0\u1eddng cho <\/span><a href=\"https:\/\/bitcoinvn.io\/news\/hieu-ve-taproot-theo-cach-don-gian-nhat\/?utm_source=Google+&amp;utm_medium=segwit-la-gi&amp;utm_id=SEO2025\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">Taproot<\/span><\/a><span style=\"font-weight: 400;\"> \u2013 m\u1ed9t n\u00e2ng c\u1ea5p m\u1edbi c\u1ee7a Bitcoin gi\u00fap x\u00e1c th\u1ef1c giao d\u1ecbch nhanh h\u01a1n n\u1eefa.<\/span><\/p>\n<h3><b>Blockchain c\u00f3 h\u1ed7 tr\u1ee3 SegWit kh\u00f4ng?<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">SegWit l\u00e0 k\u1ef9 thu\u1eadt c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng cho c\u00e1c blockchain g\u1eb7p v\u1ea5n \u0111\u1ec1 t\u01b0\u01a1ng t\u1ef1 Bitcoin tr\u01b0\u1edbc \u0111\u00e2y. M\u1ed9t s\u1ed1 blockchain \u0111\u00e3 \u00e1p d\u1ee5ng, trong khi nh\u1eefng blockchain kh\u00e1c kh\u00f4ng c\u1ea7n ho\u1eb7c ch\u1ecdn c\u00e1ch kh\u00e1c \u0111\u1ec3 c\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t.<\/span><\/p>\n<h2><b>K\u1ebft lu\u1eadn<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">T\u00f3m l\u1ea1i, <\/span><b>SegWit l\u00e0 g\u00ec?<\/b><span style=\"font-weight: 400;\"> \u0110\u00e2y l\u00e0 l\u00e0 m\u1ed9t b\u01b0\u1edbc ti\u1ebfn quan tr\u1ecdng gi\u00fap kh\u1eafc ph\u1ee5c nhi\u1ec1u h\u1ea1n ch\u1ebf c\u1ee7a m\u1ea1ng l\u01b0\u1edbi Bitcoin nh\u01b0 v\u1ea5n \u0111\u1ec1 bi\u1ebfn \u0111\u1ed5i giao d\u1ecbch v\u00e0 gi\u1edbi h\u1ea1n k\u00edch th\u01b0\u1edbc kh\u1ed1i. Segwit c\u0169ng l\u00e0 n\u1ec1n t\u1ea3ng \u0111\u1ec3 Bitcoin ph\u00e1t tri\u1ec3n th\u00eam c\u00e1c c\u00f4ng ngh\u1ec7 m\u1edbi nh\u01b0 Taproot v\u00e0 Lightning Network. V\u00ec v\u1eady, SegWit \u0111\u01b0\u1ee3c xem l\u00e0 m\u1ed9t trong nh\u1eefng n\u00e2ng c\u1ea5p thi\u1ebft y\u1ebfu g\u00f3p ph\u1ea7n n\u00e2ng cao hi\u1ec7u qu\u1ea3 v\u00e0 b\u1ea3o m\u1eadt cho h\u1ec7 sinh th\u00e1i Bitcoin.<\/span><\/p>\n<p style=\"text-align: right;\"><b>Ngu\u1ed3n: <\/b><a href=\"https:\/\/www.investopedia.com\/terms\/s\/segwit-segregated-witness.asp#toc-understanding-segregated-witness-segwit\" target=\"_blank\" rel=\"noopener\"><b>Investopedia<\/b><\/a><b>, <\/b><a href=\"https:\/\/www.unchained.com\/blog\/what-is-segwit\" target=\"_blank\" rel=\"noopener\"><b>Unchained<\/b><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Ch\u1ec9 v\u1edbi m\u1ed9t \u201cthay \u0111\u1ed5i nh\u1ecf\u201d trong c\u1ea5u tr\u00fac giao d\u1ecbch, Bitcoin \u0111\u00e3 gi\u00fap ph\u00ed r\u1ebb h\u01a1n, t\u1ed1c \u0111\u1ed9 nhanh h\u01a1n v\u00e0 c\u1ea3 nh\u1eefng m\u1ea1ng l\u01b0\u1edbi thanh to\u00e1n ch\u1edbp nho\u00e1ng nh\u01b0 Lightning Network? H\u00e3y c\u00f9ng kh\u00e1m ph\u00e1 SegWit l\u00e0 g\u00ec v\u00e0 t\u1ea1i sao n\u00f3 l\u1ea1i quan tr\u1ecdng \u0111\u1ed1i v\u1edbi Bitcoin trong b\u00e0i vi\u1ebft n\u00e0y nh\u00e9! [&hellip;]<\/p>\n","protected":false},"author":14,"featured_media":15098,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[2291],"tags":[],"class_list":["post-15091","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.6 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Segwit l\u00e0 g\u00ec v\u00e0 n\u00f3 \u1ea3nh h\u01b0\u1edfng th\u1ebf n\u00e0o \u0111\u1ebfn Bitcoin? - BitcoinVN News<\/title>\n<meta name=\"description\" content=\"SegWit l\u00e0 g\u00ec m\u00e0 l\u1ea1i l\u00e0 gi\u00fap Bitcoin giao d\u1ecbch nhanh h\u01a1n v\u00e0 an to\u00e0n h\u01a1n? Kh\u00e1m ph\u00e1 b\u00ed m\u1eadt \u0111\u1eb1ng sau c\u00f4ng ngh\u1ec7 n\u00e0y ngay!\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/bitcoinvn.io\/news\/vi\/segwit-la-gi\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Segwit l\u00e0 g\u00ec v\u00e0 n\u00f3 \u1ea3nh h\u01b0\u1edfng th\u1ebf n\u00e0o \u0111\u1ebfn Bitcoin? - BitcoinVN News\" \/>\n<meta property=\"og:description\" content=\"SegWit l\u00e0 g\u00ec m\u00e0 l\u1ea1i l\u00e0 gi\u00fap Bitcoin giao d\u1ecbch nhanh h\u01a1n v\u00e0 an to\u00e0n h\u01a1n? 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