{"id":20894,"date":"2026-07-09T13:36:11","date_gmt":"2026-07-09T13:36:11","guid":{"rendered":"https:\/\/cryptozen.asia\/vn\/vi-multisig-cach-bao-ve-va-nguy-co-danh-cap-tu-cac-kho-bac-lon-nhat-trong-the-gioi-crypto\/"},"modified":"2026-07-09T13:36:11","modified_gmt":"2026-07-09T13:36:11","slug":"vi-multisig-cach-bao-ve-va-nguy-co-danh-cap-tu-cac-kho-bac-lon-nhat-trong-the-gioi-crypto","status":"publish","type":"post","link":"https:\/\/cryptozen.asia\/vn\/vi-multisig-cach-bao-ve-va-nguy-co-danh-cap-tu-cac-kho-bac-lon-nhat-trong-the-gioi-crypto\/","title":{"rendered":"V\u00ed Multisig: C\u00e1ch B\u1ea3o V\u1ec7 v\u00e0 Nguy C\u01a1 \u0110\u00e1nh C\u1eafp T\u1eeb C\u00e1c Kho B\u1ea1c L\u1edbn Nh\u1ea5t Trong Th\u1ebf Gi\u1edbi Crypto"},"content":{"rendered":"

Gi\u1edbi thi\u1ec7u v\u1ec1 V\u00ed \u0110a Ch\u1eef K\u00fd (Multisig)<\/h2>\n

V\u00ed \u0111a ch\u1eef k\u00fd (multisig) l\u00e0 m\u1ed9t c\u00f4ng c\u1ee5 b\u1ea3o v\u1ec7 quan tr\u1ecdng cho h\u1ea7u h\u1ebft s\u1ed1 ti\u1ec1n l\u1edbn trong l\u0129nh v\u1ef1c ti\u1ec1n \u0111i\u1ec7n t\u1eed, bao g\u1ed3m kho b\u1ea1c c\u1ee7a c\u00e1c t\u1ed5 ch\u1ee9c phi l\u1ee3i nhu\u1eadn (DAO), l\u01b0u tr\u1eef l\u1ea1nh c\u1ee7a c\u00e1c s\u00e0n giao d\u1ecbch, qu\u1ef9 giao th\u1ee9c v\u00e0 t\u00e0i kho\u1ea3n ti\u1ebft ki\u1ec7m c\u1ee7a nh\u1eefng ng\u01b0\u1eddi ch\u00fa tr\u1ecdng \u0111\u1ebfn an ninh. Tuy nhi\u00ean, ch\u00fang c\u0169ng l\u00e0 m\u1ee5c ti\u00eau c\u1ee7a nh\u1eefng v\u1ee5 tr\u1ed9m l\u1edbn nh\u1ea5t trong ng\u00e0nh, t\u1eeb v\u1ee5 \u0111\u00e1nh c\u1eafp 1,5 t\u1ef7 USD c\u1ee7a Bybit \u0111\u1ebfn v\u1ee5 vi ph\u1ea1m UXLINK n\u0103m nay, khi nh\u1eefng k\u1ebb t\u1ea5n c\u00f4ng kh\u00f4ng c\u00f2n c\u1ed1 g\u1eafng b\u1ebb kh\u00f3a m\u00e0 thay v\u00e0o \u0111\u00f3 l\u1eeba g\u1ea1t nh\u1eefng ng\u01b0\u1eddi gi\u1eef ch\u00eca kh\u00f3a. H\u01b0\u1edbng d\u1eabn n\u00e0y s\u1ebd gi\u1ea3i th\u00edch c\u00e1ch th\u1ee9c ho\u1ea1t \u0111\u1ed9ng c\u1ee7a multisig, c\u00e1c l\u1ef1a ch\u1ecdn thi\u1ebft k\u1ebf M-of-N, c\u00e1ch m\u00e0 nh\u1eefng v\u1ee5 hack multisig n\u1ed5i ti\u1ebfng x\u1ea3y ra, v\u00e0 c\u00e1ch v\u1eadn h\u00e0nh m\u1ed9t v\u00ed m\u00e0 kh\u00f4ng tr\u1edf th\u00e0nh n\u1ea1n nh\u00e2n c\u1ee7a c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng.<\/p>\n

M\u1ee5c l\u1ee5c<\/h2>\n

Khi \u0111\u01b0\u1ee3c h\u1ecfi n\u01a1i n\u00e0o c\u00f3 s\u1ed1 ti\u1ec1n l\u1edbn trong crypto, c\u00e2u tr\u1ea3 l\u1eddi r\u00f5 r\u00e0ng l\u00e0 \u1edf nh\u1eefng v\u00ed \u0111a ch\u1eef k\u00fd. Ph\u1ea7n l\u1edbn c\u00e1c t\u1ed5 ch\u1ee9c gi\u1eef t\u00e0i s\u1ea3n \u0111\u1ec1u s\u1eed d\u1ee5ng c\u00e1c th\u1ecfa thu\u1eadn \u0111a ch\u1eef k\u00fd; c\u00e1c kho b\u1ea1c DAO n\u1eafm gi\u1eef h\u00e0ng t\u1ef7 \u0111\u1ed3ng th\u00f4ng qua ch\u00fang; c\u00e1c s\u00e0n giao d\u1ecbch b\u1ea3o v\u1ec7 l\u01b0u tr\u1eef l\u1ea1nh b\u1eb1ng ch\u00fang; c\u00e1c chu\u1ed7i gi\u1eef t\u00e0i s\u1ea3n cho c\u00e1c s\u1ea3n ph\u1ea9m t\u1ed5 ch\u1ee9c ph\u1ee5 thu\u1ed9c v\u00e0o ch\u00fang; v\u00e0 c\u00e1c giao th\u1ee9c l\u01b0u tr\u1eef c\u00e1c ch\u00eca kh\u00f3a n\u00e2ng c\u1ea5p v\u00e0 qu\u1ef9 d\u1ef1 tr\u1eef b\u00ean trong ch\u00fang, ph\u1ed5 bi\u1ebfn nh\u1ea5t l\u00e0 Gnosis Safe<\/strong>, m\u1ed9t h\u1ec7 th\u1ed1ng h\u1ee3p \u0111\u1ed3ng th\u00f4ng minh \u0111\u00e3 b\u1ea3o v\u1ec7 gi\u00e1 tr\u1ecb t\u01b0\u01a1ng \u0111\u01b0\u01a1ng v\u1edbi c\u00e1c ng\u00e2n h\u00e0ng l\u1edbn. \u00dd t\u01b0\u1edfng n\u00e0y \u0111\u00e3 c\u00f3 t\u1eeb l\u00e2u, \u0111\u01b0\u1ee3c vay m\u01b0\u1ee3n t\u1eeb c\u00e1c kho b\u1ea1c ng\u00e2n h\u00e0ng v\u00e0 c\u00e1c quy tr\u00ecnh kh\u1edfi \u0111\u1ed9ng h\u1ea1t nh\u00e2n: kh\u00f4ng m\u1ed9t c\u00e1 nh\u00e2n, ch\u00eca kh\u00f3a hay m\u00e1y m\u00f3c n\u00e0o c\u00f3 th\u1ec3 di chuy\u1ec3n nh\u1eefng g\u00ec quan tr\u1ecdng. Y\u00eau c\u1ea7u M<\/strong> ch\u1eef k\u00fd t\u1eeb N<\/strong> ch\u00eca kh\u00f3a (v\u00ed d\u1ee5: 2-of-3, 3-of-5) c\u00f3 ngh\u0129a l\u00e0 m\u1ed9t k\u1ebb tr\u1ed9m ph\u1ea3i l\u00e0m t\u1ed5n h\u1ea1i \u0111\u1ebfn nhi\u1ec1u ng\u01b0\u1eddi b\u1ea3o v\u1ec7 \u0111\u1ed9c l\u1eadp thay v\u00ec ch\u1ec9 m\u1ed9t.<\/p>\n

C\u00e1c V\u1ee5 Tr\u1ed9m N\u1ed5i Ti\u1ebfng v\u00e0 Th\u00e1ch Th\u1ee9c An Ninh<\/h2>\n

Tuy nhi\u00ean, v\u1ee5 tr\u1ed9m l\u1edbn nh\u1ea5t trong l\u1ecbch s\u1eed crypto, 1,5 t\u1ef7 USD<\/strong> c\u1ee7a Bybit, \u0111\u00e3 x\u1ea3y ra th\u00f4ng qua m\u1ed9t multisig. V\u1ee5 vi ph\u1ea1m UXLINK n\u0103m nay tr\u1ecb gi\u00e1 11,3 tri\u1ec7u USD<\/strong> c\u0169ng t\u01b0\u01a1ng t\u1ef1, v\u00e0 v\u1ee5 c\u1ea7u Ronin tr\u1ecb gi\u00e1 600 tri\u1ec7u USD<\/strong> tr\u01b0\u1edbc \u0111\u00f3 c\u0169ng kh\u00f4ng ngo\u1ea1i l\u1ec7. M\u00f4 h\u00ecnh n\u00e0y ph\u1ea3n \u00e1nh m\u1ed9t th\u1ef1c t\u1ebf trong an ninh crypto hi\u1ec7n \u0111\u1ea1i: to\u00e1n h\u1ecdc c\u1ee7a multisig ch\u01b0a bao gi\u1edd b\u1ecb ph\u00e1 v\u1ee1; con ng\u01b0\u1eddi v\u00e0 giao di\u1ec7n xung quanh n\u00f3 th\u00ec li\u00ean t\u1ee5c b\u1ecb t\u1ea5n c\u00f4ng. Multisig lo\u1ea1i b\u1ecf \u0111i\u1ec3m th\u1ea5t b\u1ea1i \u0111\u01a1n l\u1ebb v\u00e0 thay th\u1ebf n\u00f3 b\u1eb1ng m\u1ed9t c\u00e2u h\u1ecfi tinh t\u1ebf h\u01a1n: li\u1ec7u nhi\u1ec1u \u0111i\u1ec3m th\u1ea5t b\u1ea1i c\u1ee7a b\u1ea1n c\u00f3 th\u1ef1c s\u1ef1 \u0111\u1ed9c l\u1eadp hay kh\u00f4ng? H\u1ed3 s\u01a1 th\u1ea3m h\u1ecda c\u1ee7a ng\u00e0nh cho th\u1ea5y r\u1eb1ng ch\u00fang kh\u00f4ng \u0111\u1ed9c l\u1eadp.<\/p>\n

C\u01a1 Ch\u1ebf Ho\u1ea1t \u0110\u1ed9ng c\u1ee7a Multisig<\/h2>\n

H\u01b0\u1edbng d\u1eabn n\u00e0y s\u1ebd \u0111\u1ec1 c\u1eadp \u0111\u1ebfn c\u01a1 ch\u1ebf v\u00e0 c\u00e1c ch\u1ebf \u0111\u1ed9 th\u1ea5t b\u1ea1i c\u1ee7a multisig v\u1edbi s\u1ef1 nghi\u00eam t\u00fac t\u01b0\u01a1ng \u0111\u01b0\u01a1ng: c\u00e1ch m\u00e0 c\u00e1c k\u1ebf ho\u1ea1ch \u0111a ch\u1eef k\u00fd ho\u1ea1t \u0111\u1ed9ng tr\u00ean Bitcoin v\u00e0 c\u00e1c chu\u1ed7i h\u1ee3p \u0111\u1ed3ng th\u00f4ng minh, c\u00e1ch ch\u1ecdn M<\/strong> v\u00e0 N<\/strong> v\u00e0 m\u1ed7i l\u1ef1a ch\u1ecdn trao \u0111\u1ed5i \u0111i\u1ec1u g\u00ec, ph\u00e2n t\u00edch c\u00e1c v\u1ee5 tr\u1ed9m multisig l\u1edbn v\u00e0 v\u1ea5n \u0111\u1ec1 k\u00fd m\u00f9 \u1edf trung t\u00e2m c\u1ee7a ch\u00fang, so s\u00e1nh multisig v\u1edbi c\u00e1c \u0111\u1ed1i th\u1ee7 hi\u1ec7n \u0111\u1ea1i nh\u01b0 MPC<\/strong> v\u00e0 t\u00e0i kho\u1ea3n th\u00f4ng minh, v\u00e0 h\u01b0\u1edbng d\u1eabn ho\u1ea1t \u0111\u1ed9ng gi\u00fap c\u00e1c kho b\u1ea1c s\u1ed1ng s\u00f3t kh\u1ecfi nh\u1eefng kho b\u1ea1c b\u1ecb t\u1ea5n c\u00f4ng.<\/p>\n

M\u1ed9t v\u00ed multisig y\u00eau c\u1ea7u m\u1ed9t ng\u01b0\u1ee1ng ch\u1eef k\u00fd, M<\/strong>, t\u1eeb m\u1ed9t t\u1eadp h\u1ee3p c\u00e1c ch\u00eca kh\u00f3a \u0111\u01b0\u1ee3c \u1ee7y quy\u1ec1n, N<\/strong>, tr\u01b0\u1edbc khi b\u1ea5t k\u1ef3 giao d\u1ecbch n\u00e0o \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n. M\u1ed9t thi\u1ebft l\u1eadp c\u00e1 nh\u00e2n 2-of-3<\/strong> c\u00f3 th\u1ec3 chia s\u1ebb c\u00e1c ch\u00eca kh\u00f3a gi\u1eefa m\u1ed9t v\u00ed ph\u1ea7n c\u1ee9ng \u1edf nh\u00e0, m\u1ed9t thi\u1ebft b\u1ecb th\u1ee9 hai trong m\u1ed9t h\u1ed9p ng\u00e2n h\u00e0ng, v\u00e0 m\u1ed9t ng\u01b0\u1eddi th\u00e2n \u0111\u00e1ng tin c\u1eady; trong khi m\u1ed9t kho b\u1ea1c DAO 4-of-7<\/strong> ph\u00e2n b\u1ed5 c\u00e1c ch\u00eca kh\u00f3a gi\u1eefa c\u00e1c th\u00e0nh vi\u00ean h\u1ed9i \u0111\u1ed3ng \u1edf c\u00e1c ch\u00e2u l\u1ee5c kh\u00e1c nhau. Ng\u01b0\u1ee1ng l\u00e0 y\u1ebfu t\u1ed1 \u0111i\u1ec1u ch\u1ec9nh c\u1ee7a thi\u1ebft k\u1ebf: an ninh ch\u1ed1ng l\u1ea1i s\u1ef1 x\u00e2m ph\u1ea1m t\u0103ng l\u00ean v\u1edbi M<\/strong>, kh\u1ea3 n\u0103ng ph\u1ee5c h\u1ed3i ch\u1ed1ng l\u1ea1i vi\u1ec7c m\u1ea5t ch\u00eca kh\u00f3a t\u0103ng l\u00ean v\u1edbi kho\u1ea3ng c\u00e1ch gi\u1eefa N<\/strong> v\u00e0 M<\/strong>, v\u00e0 ma s\u00e1t ho\u1ea1t \u0111\u1ed9ng t\u0103ng l\u00ean v\u1edbi c\u1ea3 hai.<\/p>\n

Ki\u1ebfn Tr\u00fac v\u00e0 Lu\u1ed3ng Giao D\u1ecbch<\/h2>\n

D\u01b0\u1edbi n\u1eafp, hai ki\u1ebfn tr\u00fac th\u1ef1c hi\u1ec7n \u00fd t\u01b0\u1edfng n\u00e0y. Tr\u00ean Bitcoin, multisig l\u00e0 b\u1ea3n \u0111\u1ecba c\u1ee7a k\u1ecbch b\u1ea3n giao th\u1ee9c: m\u1ed9t \u0111\u1ecba ch\u1ec9 m\u00e3 h\u00f3a y\u00eau c\u1ea7u M-of-N<\/strong>, v\u00e0 vi\u1ec7c chi ti\u00eau y\u00eau c\u1ea7u c\u00e1c ch\u1eef k\u00fd \u0111\u01b0\u1ee3c tr\u00ecnh b\u00e0y v\u00e0 x\u00e1c minh b\u1edfi m\u1ea1ng. N\u00f3 l\u00e0 t\u1ed1i thi\u1ec3u, \u0111\u00e3 \u0111\u01b0\u1ee3c th\u1eed nghi\u1ec7m trong th\u1ef1c t\u1ebf, v\u00e0 c\u1ee9ng nh\u1eafc; vi\u1ec7c thay \u0111\u1ed5i ng\u01b0\u1eddi k\u00fd c\u00f3 ngh\u0129a l\u00e0 chuy\u1ec3n ti\u1ec1n \u0111\u1ebfn m\u1ed9t \u0111\u1ecba ch\u1ec9 m\u1edbi. Tr\u00ean Ethereum v\u00e0 c\u00e1c chu\u1ed7i t\u01b0\u01a1ng t\u1ef1, multisig s\u1ed1ng trong c\u00e1c h\u1ee3p \u0111\u1ed3ng th\u00f4ng minh: m\u1ed9t ch\u01b0\u01a1ng tr\u00ecnh, ch\u1eb3ng h\u1ea1n nh\u01b0 Gnosis Safe<\/strong>, gi\u1eef qu\u1ef9 v\u00e0 th\u1ef1c thi ch\u00ednh s\u00e1ch, thu th\u1eadp ch\u1eef k\u00fd cho \u0111\u1ebfn khi ng\u01b0\u1ee1ng \u0111\u01b0\u1ee3c \u0111\u00e1p \u1ee9ng v\u00e0 sau \u0111\u00f3 th\u1ef1c hi\u1ec7n. C\u00e1ch ti\u1ebfp c\u1eadn h\u1ee3p \u0111\u1ed3ng n\u00e0y linh ho\u1ea1t h\u01a1n r\u1ea5t nhi\u1ec1u, cho ph\u00e9p xoay v\u00f2ng ng\u01b0\u1eddi k\u00fd, thay \u0111\u1ed5i ng\u01b0\u1ee1ng, gi\u1edbi h\u1ea1n h\u00e0ng ng\u00e0y v\u00e0 th\u1eddi gian kh\u00f3a, v\u00e0 m\u1edf r\u1ed9ng m\u00f4-\u0111un c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c th\u00eam v\u00e0o. Tuy nhi\u00ean, s\u1ef1 linh ho\u1ea1t \u0111\u00f3 c\u0169ng c\u00f3 th\u1ec3 tr\u1edf th\u00e0nh \u0111i\u1ec3m y\u1ebfu: ch\u00ednh s\u00e1ch l\u00e0 m\u00e3, m\u00e3 c\u00f3 th\u1ec3 c\u00f3 l\u1ed7i, v\u00e0, nh\u01b0 c\u00e1c v\u1ee5 th\u1ea3m h\u1ecda \u0111\u00e3 cho th\u1ea5y, s\u1ef1 phong ph\u00fa c\u1ee7a nh\u1eefng g\u00ec m\u1ed9t v\u00ed h\u1ee3p \u0111\u1ed3ng c\u00f3 th\u1ec3 th\u1ef1c hi\u1ec7n ch\u00ednh l\u00e0 \u0111i\u1ec1u m\u00e0 c\u00e1c k\u1ebb t\u1ea5n c\u00f4ng hi\u1ec7n \u0111\u1ea1i khai th\u00e1c.<\/p>\n

Lu\u1ed3ng giao d\u1ecbch trong c\u1ea3 hai th\u1ebf gi\u1edbi theo c\u00f9ng m\u1ed9t nh\u1ecbp \u0111i\u1ec7u. Ai \u0111\u00f3 \u0111\u1ec1 xu\u1ea5t m\u1ed9t giao d\u1ecbch, bao g\u1ed3m ng\u01b0\u1eddi nh\u1eadn, s\u1ed1 ti\u1ec1n, v\u00e0, tr\u00ean c\u00e1c v\u00ed h\u1ee3p \u0111\u1ed3ng, c\u00e1c cu\u1ed9c g\u1ecdi ch\u01b0\u01a1ng tr\u00ecnh t\u00f9y \u00fd. \u0110\u1ec1 xu\u1ea5t \u0111\u01b0\u1ee3c l\u01b0u h\u00e0nh \u0111\u1ebfn c\u00e1c ng\u01b0\u1eddi k\u00fd, m\u1ed7i ng\u01b0\u1eddi xem x\u00e9t v\u00e0 ph\u00ea duy\u1ec7t n\u00f3 b\u1eb1ng c\u00e1ch m\u00e3 h\u00f3a v\u1edbi ch\u00eca kh\u00f3a c\u1ee7a ri\u00eang h\u1ecd, tr\u00ean thi\u1ebft b\u1ecb c\u1ee7a ri\u00eang h\u1ecd. Khi c\u00e1c ph\u00ea duy\u1ec7t \u0111\u1ea1t \u0111\u1ebfn ng\u01b0\u1ee1ng, giao d\u1ecbch tr\u1edf n\u00ean c\u00f3 th\u1ec3 th\u1ef1c hi\u1ec7n v\u00e0 \u0111\u01b0\u1ee3c ph\u00e1t s\u00f3ng. M\u1ed7i b\u01b0\u1edbc \u0111\u1ec1u c\u00f3 th\u1ec3 ki\u1ec3m to\u00e1n: chu\u1ed7i ghi l\u1ea1i ch\u00ednh x\u00e1c c\u00e1c ch\u00eca kh\u00f3a n\u00e0o \u0111\u00e3 ph\u00ea duy\u1ec7t \u0111i\u1ec1u g\u00ec, t\u1ea1o ra d\u1ea5u v\u1ebft tr\u00e1ch nhi\u1ec7m khi\u1ebfn multisig tr\u1edf th\u00e0nh c\u00f4ng c\u1ee5 qu\u1ea3n tr\u1ecb \u0111\u01b0\u1ee3c l\u1ef1a ch\u1ecdn cho c\u00e1c kho b\u1ea1c DAO, n\u01a1i quy\u1ec1n ki\u1ec3m so\u00e1t th\u01b0\u1eddng b\u1ecb tranh ch\u1ea5p th\u00f4ng qua c\u00e1c cu\u1ed9c b\u1ecf phi\u1ebfu b\u1eb1ng token, cho c\u00e1c qu\u1ef9 doanh nghi\u1ec7p y\u00eau c\u1ea7u s\u1ef1 ph\u00ea duy\u1ec7t c\u1ee7a nh\u00e2n vi\u00ean, v\u00e0 cho c\u00e1c th\u1ecfa thu\u1eadn k\u00fd qu\u1ef9 n\u01a1i m\u1ed9t ch\u00eca kh\u00f3a trung l\u1eadp ph\u00e2n x\u1eed tranh ch\u1ea5p.<\/p>\n

L\u1ef1a Ch\u1ecdn Ng\u01b0\u1ee1ng v\u00e0 Ch\u00ednh S\u00e1ch Ng\u01b0\u1eddi Gi\u1eef Ch\u00eca Kh\u00f3a<\/h2>\n

L\u1ef1a ch\u1ecdn ng\u01b0\u1ee1ng l\u00e0 m\u1ed9t ph\u00e2n b\u1ed5 r\u1ee7i ro, v\u00e0 c\u00e1c c\u1ea5u h\u00ecnh ti\u00eau chu\u1ea9n m\u1ed7i c\u00e1i tr\u1ea3 l\u1eddi m\u1ed9t c\u00e2u h\u1ecfi kh\u00e1c nhau. 2-of-2<\/strong> l\u00e0 m\u1ed9t quan h\u1ec7 \u0111\u1ed1i t\u00e1c kh\u00f4ng c\u00f3 ng\u01b0\u1eddi ph\u00e2n x\u1eed v\u00e0 kh\u00f4ng c\u00f3 ph\u1ee5c h\u1ed3i; m\u1ed9t ch\u00eca kh\u00f3a b\u1ecb m\u1ea5t l\u00e0m cho qu\u1ef9 b\u1ecb m\u1eafc k\u1eb9t, v\u00e0 ch\u1ee7 y\u1ebfu \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng v\u1edbi m\u1ed9t ch\u00eca kh\u00f3a \u0111\u01b0\u1ee3c gi\u1eef b\u1edfi m\u1ed9t d\u1ecbch v\u1ee5. 2-of-3<\/strong> l\u00e0 con ng\u1ef1a l\u00e0m vi\u1ec7c c\u1ee7a c\u00e1 nh\u00e2n: n\u00f3 s\u1ed1ng s\u00f3t qua vi\u1ec7c m\u1ea5t b\u1ea5t k\u1ef3 m\u1ed9t ch\u00eca kh\u00f3a n\u00e0o, ch\u1ed1ng l\u1ea1i s\u1ef1 x\u00e2m ph\u1ea1m c\u1ee7a b\u1ea5t k\u1ef3 m\u1ed9t ch\u00eca kh\u00f3a n\u00e0o, v\u00e0 gi\u1eef cho ma s\u00e1t k\u00fd v\u1eabn c\u00f3 th\u1ec3 ch\u1ea5p nh\u1eadn \u0111\u01b0\u1ee3c; c\u1ea5u h\u00ecnh c\u00e1 nh\u00e2n c\u1ed5 \u0111i\u1ec3n ph\u00e2n b\u1ed5 ba ch\u00eca kh\u00f3a ph\u1ea7n c\u1ee9ng \u1edf c\u00e1c v\u1ecb tr\u00ed kh\u00e1c nhau, v\u00e0 c\u1ea5u h\u00ecnh h\u1ee3p t\u00e1c-gi\u1eef c\u1ed5 \u0111i\u1ec3n cung c\u1ea5p m\u1ed9t ch\u00eca kh\u00f3a cho m\u1ed9t d\u1ecbch v\u1ee5 chuy\u00ean nghi\u1ec7p c\u00f3 th\u1ec3 \u0111\u1ed3ng k\u00fd ph\u1ee5c h\u1ed3i nh\u01b0ng kh\u00f4ng bao gi\u1edd c\u00f3 th\u1ec3 di chuy\u1ec3n qu\u1ef9 m\u1ed9t m\u00ecnh. 3-of-5<\/strong> v\u00e0 cao h\u01a1n l\u00e0 l\u00e3nh th\u1ed5 t\u1ed5 ch\u1ee9c, ch\u1ecbu \u0111\u1ef1ng nhi\u1ec1u t\u1ed5n th\u1ea5t v\u00e0 y\u00eau c\u1ea7u nhi\u1ec1u s\u1ef1 x\u00e2m ph\u1ea1m, v\u1edbi gi\u00e1 c\u1ee7a chi ph\u00ed ph\u1ed1i h\u1ee3p m\u00e0, trong th\u1ef1c t\u1ebf, c\u00e1m d\u1ed7 c\u00e1c t\u1ed5 ch\u1ee9c v\u00e0o nh\u1eefng sai l\u1ea7m t\u1ed3i t\u1ec7 nh\u1ea5t c\u1ee7a th\u1ec3 lo\u1ea1i n\u00e0y: t\u1eadp trung, nhi\u1ec1u ch\u00eca kh\u00f3a \u0111\u01b0\u1ee3c gi\u1eef b\u1edfi m\u1ed9t ng\u01b0\u1eddi, m\u1ed9t v\u0103n ph\u00f2ng, m\u1ed9t laptop, ho\u1eb7c m\u1ed9t t\u00e0i kho\u1ea3n \u0111\u00e1m m\u00e2y. M\u1ed9t 3-of-5<\/strong> m\u00e0 c\u00e1c ch\u00eca kh\u00f3a c\u1ee7a n\u00f3 s\u1ed1ng trong ba tr\u00ecnh duy\u1ec7t v\u00e0 hai ng\u0103n k\u00e9o c\u1ee7a c\u00f9ng m\u1ed9t v\u0103n ph\u00f2ng l\u00e0 m\u1ed9t 1-of-1<\/strong> v\u1edbi c\u00e1c b\u01b0\u1edbc b\u1ed5 sung, v\u00e0 c\u00e1c b\u00e0i ph\u00e2n t\u00edch h\u1eadu qu\u1ea3 c\u1ee7a nh\u1eefng t\u1ed5n th\u1ea5t th\u1ef1c t\u1ebf t\u00ecm th\u1ea5y h\u00ecnh d\u1ea1ng n\u00e0y li\u00ean t\u1ee5c. Quy t\u1eafc m\u00e0 kh\u00f4ng gian thi\u1ebft k\u1ebf gi\u1ea3m xu\u1ed1ng: an ninh c\u1ee7a m\u1ed9t multisig l\u00e0 an ninh c\u1ee7a c\u00e1c ch\u00eca kh\u00f3a c\u00f3 t\u01b0\u01a1ng quan nh\u1ea5t c\u1ee7a n\u00f3, v\u00e0 s\u1ef1 \u0111\u1ed9c l\u1eadp, c\u1ee7a con ng\u01b0\u1eddi, thi\u1ebft b\u1ecb, ph\u1ea7n m\u1ec1m, v\u00e0 \u0111\u1ecba l\u00fd, l\u00e0 to\u00e0n b\u1ed9 \u0111i\u1ec3m c\u1ee7a b\u00e0i t\u1eadp n\u00e0y.<\/p>\n

H\u1ed3 S\u01a1 V\u1ee5 Tr\u1ed9m v\u00e0 K\u00fd M\u00f9<\/h2>\n

Ch\u00ednh s\u00e1ch ng\u01b0\u1eddi gi\u1eef ch\u00eca kh\u00f3a quan tr\u1ecdng kh\u00f4ng k\u00e9m g\u00ec c\u00e1c con s\u1ed1. M\u1ed7i ng\u01b0\u1eddi k\u00fd l\u00e0 m\u1ed9t m\u1ee5c ti\u00eau ngay khi th\u1ecfa thu\u1eadn tr\u1edf n\u00ean r\u00f5 r\u00e0ng tr\u00ean chu\u1ed7i, v\u00e0 c\u00e1c kho b\u1ea1c l\u1edbn v\u1ec1 b\u1ea3n ch\u1ea5t l\u00e0 r\u00f5 r\u00e0ng, \u0111\u01b0\u1ee3c theo d\u00f5i b\u1edfi c\u00f9ng m\u1ed9t \u1ed1ng k\u00ednh ph\u00e2n b\u1ed5 v\u00ed m\u00e0 l\u1eadp b\u1ea3n \u0111\u1ed3 m\u1ecdi c\u00e1 voi. C\u00e1c ho\u1ea1t \u0111\u1ed9ng nghi\u00eam t\u00fac do \u0111\u00f3 coi c\u00e1c ng\u01b0\u1eddi k\u00fd nh\u01b0 m\u1ed9t b\u1ec1 m\u1eb7t t\u1ea5n c\u00f4ng: ch\u1ec9 c\u00e1c ch\u00eca kh\u00f3a ph\u1ea7n c\u1ee9ng, thi\u1ebft b\u1ecb k\u00fd chuy\u00ean d\u1ee5ng, kh\u00f4ng c\u00f4ng b\u1ed1 danh t\u00ednh ng\u01b0\u1eddi k\u00fd m\u1ed9t c\u00e1ch kh\u00f4ng c\u1ea7n thi\u1ebft, v\u00e0 c\u00e1c quy tr\u00ecnh \u0111\u01b0\u1ee3c di\u1ec5n t\u1eadp tr\u01b0\u1edbc khi c\u1ea7n thi\u1ebft, v\u00ec ng\u00e0y m\u00e0 m\u1ed9t kho b\u1ea1c ph\u1ea3i di chuy\u1ec3n qu\u1ef9 d\u01b0\u1edbi \u00e1p l\u1ef1c l\u00e0 ng\u00e0y t\u1ed3i t\u1ec7 nh\u1ea5t \u0111\u1ec3 ph\u00e1t hi\u1ec7n ra ch\u00eca kh\u00f3a c\u1ee7a ng\u01b0\u1eddi k\u00fd th\u1ee9 ba n\u1eb1m trong m\u1ed9t k\u00e9t s\u1eaft m\u00e0 kh\u00f4ng ai c\u00f3 th\u1ec3 m\u1edf.<\/p>\n

\n

H\u1ed3 s\u01a1 v\u1ee5 tr\u1ed9m l\u00e0 n\u01a1i ch\u1ee7 \u0111\u1ec1 n\u00e0y ki\u1ebfm \u0111\u01b0\u1ee3c v\u1ecb tr\u00ed c\u1ee7a n\u00f3 trong ch\u01b0\u01a1ng tr\u00ecnh gi\u1ea3ng d\u1ea1y an ninh, v\u00ec c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng chia s\u1ebb m\u1ed9t gi\u1ea3i ph\u1eabu v\u00e0 n\u00f3 kh\u00f4ng ph\u1ea3i l\u00e0 m\u1ed9t tr\u1ef1c gi\u00e1c m\u00e0 mong \u0111\u1ee3i. Kh\u00f4ng c\u00f3 t\u1ed5n th\u1ea5t multisig l\u1edbn n\u00e0o \u0111\u1ebfn t\u1eeb vi\u1ec7c ph\u00e1 v\u1ee1 m\u1eadt m\u00e3. Ch\u00fang \u0111\u1ebfn t\u1eeb vi\u1ec7c khi\u1ebfn nh\u1eefng ng\u01b0\u1eddi \u0111\u00fang k\u00fd v\u00e0o \u0111i\u1ec1u sai.<\/p>\n<\/blockquote>\n

V\u1ee5 tr\u1ed9m Bybit, 1,5 t\u1ef7 USD<\/strong>, l\u1edbn nh\u1ea5t trong l\u1ecbch s\u1eed ng\u00e0nh, l\u00e0 tr\u01b0\u1eddng h\u1ee3p \u0111i\u1ec3n h\u00ecnh. Kho l\u01b0u tr\u1eef l\u1ea1nh c\u1ee7a s\u00e0n giao d\u1ecbch n\u1eb1m sau m\u1ed9t multisig v\u1edbi c\u00e1c gi\u00e1m \u0111\u1ed1c \u0111i\u1ec1u h\u00e0nh l\u00e0 ng\u01b0\u1eddi k\u00fd, ch\u00ednh x\u00e1c nh\u01b0 th\u1ef1c ti\u1ec5n t\u1ed1t nh\u1ea5t quy \u0111\u1ecbnh. C\u00e1c k\u1ebb t\u1ea5n c\u00f4ng, \u0111\u01b0\u1ee3c cho l\u00e0 thu\u1ed9c v\u1ec1 Nh\u00f3m Lazarus c\u1ee7a B\u1eafc Tri\u1ec1u Ti\u00ean, \u0111\u00e3 l\u00e0m t\u1ed5n h\u1ea1i \u0111\u1ebfn c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng c\u1ee7a giao di\u1ec7n v\u00ed m\u00e0 c\u00e1c ng\u01b0\u1eddi k\u00fd s\u1eed d\u1ee5ng, v\u00ec v\u1eady khi c\u00e1c gi\u00e1m \u0111\u1ed1c \u0111i\u1ec1u h\u00e0nh th\u1ef1c hi\u1ec7n m\u1ed9t chuy\u1ec3n kho\u1ea3n \u0111\u1ecbnh k\u1ef3, m\u00e0n h\u00ecnh c\u1ee7a h\u1ecd hi\u1ec3n th\u1ecb giao d\u1ecbch h\u1ee3p ph\u00e1p trong khi c\u00e1c ch\u00eca kh\u00f3a ph\u1ea7n c\u1ee9ng c\u1ee7a h\u1ecd k\u00fd m\u1ed9t t\u1ea3i tr\u1ecdng kh\u00e1c, m\u1ed9t t\u1ea3i tr\u1ecdng \u0111\u00e3 trao cho c\u00e1c k\u1ebb t\u1ea5n c\u00f4ng quy\u1ec1n ki\u1ec3m so\u00e1t logic c\u1ee7a v\u00ed. M\u1ed7i ch\u1eef k\u00fd \u0111\u1ec1u l\u00e0 ch\u00ednh x\u00e1c. M\u1ed7i ng\u01b0\u1eddi k\u00fd \u0111\u1ec1u c\u1ea9n th\u1eadn theo ti\u00eau chu\u1ea9n nh\u1eefng g\u00ec h\u1ecd c\u00f3 th\u1ec3 th\u1ea5y. Kho ch\u1ee9a gi\u1eef v\u1eefng; c\u1eeda s\u1ed5 c\u1ee7a kho ch\u1ee9a \u0111\u00e3 n\u00f3i d\u1ed1i. C\u1ea7u Ronin tr\u01b0\u1edbc \u0111\u00f3 \u0111\u00e3 r\u01a1i xu\u1ed1ng kh\u00e1c nh\u01b0ng c\u00f3 \u00e2m \u0111i\u1ec7u t\u01b0\u01a1ng t\u1ef1: m\u1ed9t c\u1ea5u tr\u00fac 5-of-9<\/strong> m\u00e0 c\u00e1c ch\u00eca kh\u00f3a c\u1ee7a n\u00f3 kh\u00f4ng \u0111\u1ee7 \u0111\u1ed9c l\u1eadp, v\u1edbi m\u1ed9t t\u1ed5 ch\u1ee9c ki\u1ec3m so\u00e1t \u0111\u1ee7 nhi\u1ec1u trong s\u1ed1 \u0111\u00f3 m\u00e0 vi\u1ec7c l\u00e0m t\u1ed5n h\u1ea1i \u0111\u1ebfn n\u00f3, th\u00f4ng qua m\u1ed9t nh\u00e2n vi\u00ean b\u1ecb t\u1ea5n c\u00f4ng x\u00e3 h\u1ed9i, \u0111\u00e3 v\u01b0\u1ee3t qua ng\u01b0\u1ee1ng, m\u1eabu h\u00ecnh l\u00e0m t\u1ed5n h\u1ea1i ch\u00eca kh\u00f3a \u0111\u1ee9ng sau nh\u1eefng th\u1ea3m h\u1ecda c\u1ea7u l\u1edbn nh\u1ea5t. V\u00e0 v\u1ee5 vi ph\u1ea1m UXLINK n\u0103m nay \u0111\u00e3 cho th\u1ea5y phi\u00ean b\u1ea3n quy m\u00f4 nh\u1ecf: c\u00e1c k\u1ebb t\u1ea5n c\u00f4ng c\u00f3 quy\u1ec1n ki\u1ec3m so\u00e1t ng\u01b0\u1ee1ng kh\u00f4ng ch\u1ec9 r\u00fat ti\u1ec1n, h\u1ecd s\u1eed d\u1ee5ng ch\u00ednh quy\u1ec1n qu\u1ea3n tr\u1ecb c\u1ee7a v\u00ed, th\u00eam ch\u00ednh h\u1ecd v\u00e0o danh s\u00e1ch ng\u01b0\u1eddi k\u00fd, lo\u1ea1i b\u1ecf c\u00e1c ch\u1ee7 s\u1edf h\u1eefu, v\u00ec tr\u00ean m\u1ed9t multisig h\u1ee3p \u0111\u1ed3ng, quy\u1ec1n qu\u1ea3n tr\u1ecb c\u1ee7a v\u00ed ch\u00ednh l\u00e0 m\u1ed9t giao d\u1ecbch kh\u00e1c.<\/p>\n

Bi\u1ec7n Ph\u00e1p Ph\u00f2ng Ng\u1eeba v\u00e0 T\u01b0\u01a1ng Lai c\u1ee7a Multisig<\/h2>\n

S\u1ee3i ch\u1ec9 chung l\u00e0 k\u00fd m\u00f9. M\u1ed9t ch\u00eca kh\u00f3a ph\u1ea7n c\u1ee9ng b\u1ea3o v\u1ec7 ch\u1eef k\u00fd; n\u00f3 kh\u00f4ng cho ng\u01b0\u1eddi k\u00fd bi\u1ebft, b\u1eb1ng ng\u00f4n ng\u1eef con ng\u01b0\u1eddi trung th\u1ef1c, nh\u1eefng g\u00ec h\u1ecd \u0111ang k\u00fd, v\u00e0 c\u00e1c t\u1ea3i tr\u1ecdng h\u1ee3p \u0111\u1ed3ng ph\u1ee9c t\u1ea1p l\u00e0 c\u00e1c b\u0103m kh\u00f4ng th\u1ec3 \u0111\u1ecdc \u0111\u01b0\u1ee3c tr\u00ean m\u1ed9t m\u00e0n h\u00ecnh nh\u1ecf. Do \u0111\u00f3, c\u00e1c k\u1ebb t\u1ea5n c\u00f4ng nh\u1eafm v\u00e0o l\u1edbp gi\u1eefa \u00fd \u0111\u1ecbnh v\u00e0 ch\u1eef k\u00fd: giao di\u1ec7n web, laptop c\u1ee7a ng\u01b0\u1eddi k\u00fd, \u0111\u01b0\u1eddng \u1ed1ng \u0111\u1ec1 xu\u1ea5t, th\u00f3i quen c\u1ee7a con ng\u01b0\u1eddi. C\u00e1c bi\u1ec7n ph\u00e1p ph\u00f2ng ng\u1eeba gi\u1ea3i quy\u1ebft \u0111i\u1ec1u n\u00e0y l\u00e0 c\u1ee5 th\u1ec3 v\u00e0 ng\u00e0y c\u00e0ng ti\u00eau chu\u1ea9n: x\u00e1c minh \u0111\u1ed9c l\u1eadp c\u1ee7a m\u1ed7i t\u1ea3i tr\u1ecdng tr\u00ean m\u1ed9t k\u00eanh th\u1ee9 hai tr\u01b0\u1edbc khi k\u00fd, thi\u1ebft b\u1ecb k\u00fd gi\u1ea3i m\u00e3 v\u00e0 hi\u1ec3n th\u1ecb \u00fd ngh\u0129a giao d\u1ecbch, c\u00f4ng c\u1ee5 m\u00f4 ph\u1ecfng m\u00e0 xem tr\u01b0\u1edbc c\u00e1c t\u00e1c \u0111\u1ed9ng th\u1ef1c t\u1ebf c\u1ee7a m\u1ed9t giao d\u1ecbch, th\u1eddi gian kh\u00f3a m\u00e0 tr\u00ec ho\u00e3n c\u00e1c chuy\u1ec3n \u0111\u1ed9ng l\u1edbn \u0111\u1ee7 l\u00e2u \u0111\u1ec3 xem x\u00e9t, v\u00e0 quy t\u1eafc t\u1ed5 ch\u1ee9c \u0111\u01a1n gi\u1ea3n r\u1eb1ng kh\u00f4ng c\u00f3 giao d\u1ecbch n\u00e0o l\u00e0 \u0111\u1ecbnh k\u1ef3, v\u00ec \u0111\u1ecbnh k\u1ef3 ch\u00ednh l\u00e0 tr\u1ea1ng th\u00e1i t\u00e2m l\u00fd m\u00e0 c\u00e1c k\u1ebb t\u1ea5n c\u00f4ng Bybit \u0111ang ch\u1edd \u0111\u1ee3i.<\/p>\n

L\u1ecbch s\u1eed multisig l\u00e0 l\u1ecbch s\u1eed c\u1ee7a vi\u1ec7c b\u1ea3o qu\u1ea3n crypto tr\u01b0\u1edfng th\u00e0nh, v\u00e0 c\u00e1c c\u1ed9t m\u1ed1c c\u1ee7a n\u00f3 gi\u1ea3i th\u00edch c\u00e1c m\u1eb7c \u0111\u1ecbnh ng\u00e0y nay. Kh\u1ea3 n\u0103ng n\u00e0y g\u1ea7n nh\u01b0 \u0111\u00e3 c\u00f3 t\u1eeb khi Bitcoin ra \u0111\u1eddi, \u0111\u01b0\u1ee3c ch\u00ednh th\u1ee9c h\u00f3a trong nh\u1eefng n\u0103m \u0111\u1ea7u c\u1ee7a giao th\u1ee9c th\u00f4ng qua c\u00e1c \u0111\u1ecba ch\u1ec9 pay-to-script-hash cho ph\u00e9p c\u00e1c \u0111i\u1ec1u ki\u1ec7n chi ti\u00eau, bao g\u1ed3m c\u1ea3 y\u00eau c\u1ea7u ch\u1eef k\u00fd M-of-N<\/strong>, \u0111\u01b0\u1ee3c m\u00e3 h\u00f3a tr\u00ean chu\u1ed7i. Th\u1ebf h\u1ec7 t\u1ed5 ch\u1ee9c \u0111\u1ea7u ti\u00ean \u0111\u01b0\u1ee3c x\u00e2y d\u1ef1ng tr\u1ef1c ti\u1ebfp tr\u00ean n\u00f3: c\u00e1c nh\u00e0 ti\u00ean phong s\u00e0n giao d\u1ecbch v\u00e0 b\u1ea3o qu\u1ea3n \u0111\u1ea7u ti\u00ean \u0111\u00e3 v\u1eadn h\u00e0nh c\u00e1c kho multisig Bitcoin, v\u00e0 c\u00e1c doanh nghi\u1ec7p h\u1ee3p t\u00e1c-gi\u1eef \u0111\u1ea7u ti\u00ean \u0111\u00e3 b\u00e1n c\u00e1c th\u1ecfa thu\u1eadn 2-of-3<\/strong> cho c\u00e1 nh\u00e2n c\u00e1ch \u0111\u00e2y m\u1ed9t th\u1eadp k\u1ef7. \u00dd t\u01b0\u1edfng n\u00e0y \u0111\u00e3 chuy\u1ec3n sang Ethereum d\u01b0\u1edbi d\u1ea1ng v\u00ed h\u1ee3p \u0111\u1ed3ng th\u00f4ng minh, n\u01a1i s\u1ef1 linh ho\u1ea1t c\u1ee7a m\u00e3 \u0111\u00e3 t\u1ea1o ra c\u1ea3 nh\u1eefng th\u00e0nh c\u00f4ng v\u00e0 nh\u1eefng v\u1ebft s\u1eb9o: m\u1ed9t l\u1ed7i th\u01b0 vi\u1ec7n n\u1ed5i ti\u1ebfng n\u0103m 2017 trong m\u1ed9t v\u00ed h\u1ee3p \u0111\u1ed3ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i \u0111\u00e3 \u0111\u00f3ng b\u0103ng h\u00e0ng tr\u0103m tri\u1ec7u m\u00e3i m\u00e3i, b\u00e0i h\u1ecdc h\u00ecnh th\u00e0nh r\u1eb1ng m\u00e3 b\u1ea3o qu\u1ea3n linh ho\u1ea1t ch\u00ednh l\u00e0 m\u1ed9t b\u1ec1 m\u1eb7t t\u1ea5n c\u00f4ng, v\u00e0 ng\u01b0\u1eddi s\u1ed1ng s\u00f3t c\u1ee7a s\u1ef1 h\u1ee3p nh\u1ea5t th\u1eddi k\u1ef3 \u0111\u00f3, Gnosis Safe<\/strong>, \u0111\u00e3 \u0111\u01b0\u1ee3c c\u1ee7ng c\u1ed1 qua nhi\u1ec1u n\u0103m ki\u1ec3m to\u00e1n v\u00e0 gi\u00e1 tr\u1ecb \u0111\u1ed1i kh\u00e1ng th\u00e0nh m\u1eb7c \u0111\u1ecbnh m\u00e0 n\u00f3 l\u00e0 b\u00e2y gi\u1edd.<\/p>\n

Ng\u00e0y nay, c\u00e1c h\u1ee3p \u0111\u1ed3ng ki\u1ec3u Gnosis Safe<\/strong> b\u1ea3o v\u1ec7 c\u00e1c kho b\u1ea1c c\u00f3 gi\u00e1 tr\u1ecb t\u1ed5ng h\u1ee3p rival v\u1edbi c\u00e1c ng\u00e2n h\u00e0ng l\u1edbn, th\u1eddi k\u1ef3 DAO \u0111\u00e3 bi\u1ebfn h\u1ed9i \u0111\u1ed3ng multisig th\u00e0nh c\u01a1 quan qu\u1ea3n tr\u1ecb ti\u00eau chu\u1ea9n c\u1ee7a crypto, v\u00e0 d\u00f2ng d\u00f5i multisig c\u1ee7a Bitcoin ti\u1ebfp t\u1ee5c song song, \u0111\u01b0\u1ee3c \u01b0a chu\u1ed9ng cho l\u01b0u tr\u1eef l\u1ea1nh s\u00e2u ch\u00ednh x\u00e1c v\u00ec b\u1ec1 m\u1eb7t k\u1ecbch b\u1ea3n c\u1ee9ng nh\u1eafc, t\u1ed1i thi\u1ec3u c\u1ee7a n\u00f3 cung c\u1ea5p r\u1ea5t \u00edt \u0111\u1ec3 khai th\u00e1c.<\/p>\n

K\u1ebft Lu\u1eadn<\/h2>\n

S\u1ef1 chu\u1ea9n h\u00f3a c\u00f3 m\u1ed9t h\u1ec7 qu\u1ea3 \u0111\u00e1ng \u0111\u01b0\u1ee3c n\u00eau t\u00ean: s\u1ef1 t\u1eadp trung theo m\u1ed9t c\u00e1ch kh\u00e1c. Khi m\u1ed9t h\u1ec7 th\u1ed1ng h\u1ee3p \u0111\u1ed3ng b\u1ea3o v\u1ec7 ph\u1ea7n l\u1edbn c\u00e1c kho b\u1ea1c tr\u00ean chu\u1ed7i, m\u00e3 c\u1ee7a n\u00f3, giao di\u1ec7n c\u1ee7a n\u00f3, v\u00e0 quy tr\u00ecnh n\u00e2ng c\u1ea5p c\u1ee7a n\u00f3 tr\u1edf th\u00e0nh c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng h\u1ec7 th\u1ed1ng, v\u00e0 vi\u1ec7c t\u1ea5n c\u00f4ng Bybit l\u00e0m t\u1ed5n h\u1ea1i \u0111\u1ebfn c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng giao di\u1ec7n l\u00e0, gi\u1eefa nh\u1eefng th\u1ee9 kh\u00e1c, m\u1ed9t minh ch\u1ee9ng r\u1eb1ng c\u00e1c qu\u1ea3 tr\u1ee9ng c\u1ee7a h\u1ec7 sinh th\u00e1i chia s\u1ebb nhi\u1ec1u gi\u1ecf h\u01a1n nh\u1eefng g\u00ec to\u00e1n h\u1ecdc M-of-N<\/strong> g\u1ee3i \u00fd. Ph\u1ea3n \u1ee9ng, s\u1ef1 \u0111a d\u1ea1ng giao di\u1ec7n, d\u1ecbch v\u1ee5 x\u00e1c minh giao d\u1ecbch \u0111\u1ed9c l\u1eadp, gi\u1ea3i m\u00e3 thi\u1ebft b\u1ecb k\u00fd, th\u1ef1c s\u1ef1 l\u00e0 c\u1ed9ng \u0111\u1ed3ng x\u00e2y d\u1ef1ng l\u1ea1i s\u1ef1 \u0111\u1ed9c l\u1eadp m\u1ed9t l\u1edbp l\u00ean tr\u00ean, c\u00f9ng nguy\u00ean t\u1eafc m\u00e0 c\u00e1c v\u00ed m\u00e3 h\u00f3a, \u00e1p d\u1ee5ng cho c\u00e1c c\u00f4ng c\u1ee5 xung quanh ch\u00fang.<\/p>\n

\u0110\u1ed1i v\u1edbi m\u1ed9t \u0111\u1ed9c gi\u1ea3 c\u00e1 nh\u00e2n, l\u1ed1i v\u00e0o th\u1ef1c ti\u1ec5n x\u1ee9ng \u0111\u00e1ng c\u00f3 s\u1ef1 c\u1ee5 th\u1ec3. M\u1ed9t thi\u1ebft l\u1eadp c\u00e1 nh\u00e2n 2-of-3<\/strong> ng\u00e0y nay l\u00e0 m\u1ed9t d\u1ef1 \u00e1n cu\u1ed1i tu\u1ea7n: ba ch\u00eca kh\u00f3a ph\u1ea7n c\u1ee9ng, l\u00fd t\u01b0\u1edfng t\u1eeb hai nh\u00e0 cung c\u1ea5p kh\u00e1c nhau \u0111\u1ec3 tr\u00e1nh l\u1ed7i firmware chung; m\u1ed9t v\u00ed h\u1ee3p \u0111\u1ed3ng tr\u00ean m\u1ed9t m\u1ea1ng gi\u00e1 r\u1ebb ho\u1eb7c m\u1ed9t multisig Bitcoin b\u1ea3n \u0111\u1ecba, t\u00f9y thu\u1ed9c v\u00e0o t\u00e0i s\u1ea3n n\u1eafm gi\u1eef; \u0111\u1ecba ch\u1ec9 ch\u1ee7 s\u1edf h\u1eefu \u0111\u01b0\u1ee3c ki\u1ec3m tra ba l\u1ea7n tr\u01b0\u1edbc khi tri\u1ec3n khai, v\u00ec m\u1ed9t ch\u1ee7 s\u1edf h\u1eefu nh\u1eadp sai l\u00e0 m\u1ed9t ng\u01b0\u1eddi l\u1ea1 v\u0129nh vi\u1ec5n v\u1edbi quy\u1ec1n k\u00fd; v\u00e0 ba ch\u00eca kh\u00f3a \u0111\u01b0\u1ee3c ph\u00e2n ph\u1ed1i \u1edf c\u00e1c v\u1ecb tr\u00ed th\u1ef1c s\u1ef1 t\u00e1ch bi\u1ec7t: nh\u00e0, h\u1ed9p ng\u00e2n h\u00e0ng, b\u00ean th\u1ee9 ba \u0111\u00e1ng tin c\u1eady, v\u1edbi h\u01b0\u1edbng d\u1eabn ph\u1ee5c h\u1ed3i m\u00e0 m\u1ed9t ng\u01b0\u1eddi kh\u00e1c ngo\u00e0i b\u1ea1n c\u00f3 th\u1ec3 theo d\u00f5i.<\/p>\n

Chi ph\u00ed t\u00e1i di\u1ec5n l\u00e0 nh\u1ecf, ph\u00ed gas tri\u1ec3n khai v\u00e0 ph\u00ed giao d\u1ecbch h\u01a1i l\u1edbn h\u01a1n, v\u00e0 c\u00e1c k\u1ef7 lu\u1eadt t\u00e1i di\u1ec5n th\u00ec kh\u00f4ng: th\u1eed nghi\u1ec7m thi\u1ebft l\u1eadp v\u1edbi c\u00e1c s\u1ed1 ti\u1ec1n nh\u1ecf tr\u01b0\u1edbc, di\u1ec5n t\u1eadp m\u1ed9t cu\u1ed9c di chuy\u1ec3n ch\u00eca kh\u00f3a b\u1ecb m\u1ea5t tr\u01b0\u1edbc khi m\u1ea5t m\u1ed9t c\u00e1i, gi\u1eef m\u1ed9t s\u1ed1 d\u01b0 gas nh\u1ecf n\u01a1i h\u1ee3p \u0111\u1ed3ng c\u1ea7n n\u00f3, v\u00e0 xem x\u00e9t l\u1ea1i th\u1ecfa thu\u1eadn b\u1ea5t c\u1ee9 khi n\u00e0o m\u1ed9t ng\u01b0\u1eddi k\u00fd, thi\u1ebft b\u1ecb, ho\u1eb7c t\u00ecnh hu\u1ed1ng s\u1ed1ng thay \u0111\u1ed5i. Ma s\u00e1t l\u00e0 c\u00f3 th\u1eadt, m\u1ed7i giao d\u1ecbch tr\u1edf th\u00e0nh m\u1ed9t bu\u1ed5i l\u1ec5 nh\u1ecf, v\u00e0 ma s\u00e1t l\u00e0 t\u00ednh n\u0103ng: m\u1ed9t v\u00ed y\u00eau c\u1ea7u s\u1ef1 c\u00e2n nh\u1eafc kh\u00f4ng th\u1ec3 b\u1ecb r\u00fat c\u1ea1n b\u1edfi m\u1ed9t c\u00fa nh\u1ea5p chu\u1ed9t sai, \u0111i\u1ec1u n\u00e0y, v\u00ec m\u1ed9t s\u1ef1 ph\u00ea duy\u1ec7t sai l\u1ea7m \u0111\u01a1n l\u1ebb l\u00e0 c\u00e1ch m\u00e0 h\u1ea7u h\u1ebft c\u00e1c t\u1ed5n th\u1ea5t c\u00e1 nh\u00e2n hi\u1ec7n nay x\u1ea3y ra, l\u00e0 to\u00e0n b\u1ed9 gi\u00e1 tr\u1ecb \u0111\u1ec1 xu\u1ea5t trong m\u1ed9t c\u00e2u.<\/p>\n

Hai c\u00f4ng ngh\u1ec7 li\u1ec1n k\u1ec1 gi\u1ea3i quy\u1ebft c\u00f9ng m\u1ed9t v\u1ea5n \u0111\u1ec1 \u0111i\u1ec3m th\u1ea5t b\u1ea1i \u0111\u01a1n l\u1ebb, v\u00e0 vi\u1ec7c ch\u1ecdn gi\u1eefa ch\u00fang l\u00e0 m\u1ed9t quy\u1ebft \u0111\u1ecbnh th\u1ef1c s\u1ef1, kh\u00f4ng ph\u1ea3i th\u01b0\u01a1ng hi\u1ec7u. T\u00ednh to\u00e1n \u0111a b\u00ean (MPC<\/strong>) chia m\u1ed9t ch\u00eca kh\u00f3a th\u00e0nh c\u00e1c ph\u1ea7n to\u00e1n h\u1ecdc \u0111\u01b0\u1ee3c gi\u1eef b\u1edfi c\u00e1c b\u00ean kh\u00e1c nhau, nh\u1eefng ng\u01b0\u1eddi c\u00f9ng nhau t\u00ednh to\u00e1n m\u1ed9t ch\u1eef k\u00fd m\u00e0 kh\u00f4ng c\u00f3 ch\u00eca kh\u00f3a \u0111\u1ea7y \u0111\u1ee7 bao gi\u1edd t\u1ed3n t\u1ea1i \u1edf b\u1ea5t k\u1ef3 \u0111\u00e2u. \u0110\u1ed1i v\u1edbi blockchain, k\u1ebft qu\u1ea3 tr\u00f4ng gi\u1ed1ng nh\u01b0 m\u1ed9t ch\u1eef k\u00fd \u0111\u01a1n gi\u1ea3n th\u00f4ng th\u01b0\u1eddng: r\u1ebb h\u01a1n, ri\u00eang t\u01b0, kh\u00f4ng ph\u1ee5 thu\u1ed9c v\u00e0o chu\u1ed7i, v\u00e0 kh\u00f4ng ti\u1ebft l\u1ed9 g\u00ec v\u1ec1 ch\u00ednh s\u00e1ch ph\u00eda sau n\u00f3. S\u1ef1 trao \u0111\u1ed5i l\u00e0 s\u1ef1 m\u1edd \u0111\u1ee5c v\u00e0 ph\u1ee5 thu\u1ed9c: logic ng\u01b0\u1ee1ng s\u1ed1ng trong ph\u1ea7n m\u1ec1m ngo\u00e0i chu\u1ed7i c\u1ee7a c\u00e1c nh\u00e0 cung c\u1ea5p thay v\u00ec trong m\u00e3 c\u00f4ng khai, kh\u00f4ng c\u00f3 d\u1ea5u v\u1ebft tr\u00ean chu\u1ed7i v\u1ec1 ai \u0111\u00e3 ph\u00ea duy\u1ec7t \u0111i\u1ec1u g\u00ec, v\u00e0 th\u1ecb tr\u01b0\u1eddng MPC t\u1ed5 ch\u1ee9c b\u1ecb chi ph\u1ed1i b\u1edfi c\u00e1c nh\u00e0 cung c\u1ea5p m\u00e0 h\u1ec7 th\u1ed1ng c\u1ee7a h\u1ecd ph\u1ea3i \u0111\u01b0\u1ee3c tin t\u01b0\u1edfng. C\u00e1c t\u1ed5 ch\u1ee9c ng\u00e0y c\u00e0ng s\u1eed d\u1ee5ng c\u1ea3 hai, MPC cho c\u00e1c lu\u1ed3ng ho\u1ea1t \u0111\u1ed9ng n\u00f3ng, multisig cho qu\u1ea3n tr\u1ecb l\u1ea1nh s\u00e2u.<\/p>\n

B\u1ea5t k\u1ef3 ai n\u1eafm gi\u1eef nhi\u1ec1u crypto h\u01a1n h\u1ecd c\u00f3 th\u1ec3 ch\u1ecbu \u0111\u1ef1ng \u0111\u1ec3 m\u1ea5t do m\u1ed9t sai l\u1ea7m \u0111\u01a1n l\u1ebb: c\u00e1 nh\u00e2n c\u00f3 ti\u1ebft ki\u1ec7m \u0111\u00e1ng k\u1ec3, v\u00e0, g\u1ea7n nh\u01b0 kh\u00f4ng c\u00f3 ngo\u1ea1i l\u1ec7, c\u00e1c t\u1ed5 ch\u1ee9c, DAO qu\u1ea3n l\u00fd kho b\u1ea1c c\u1ed9ng \u0111\u1ed3ng, c\u00f4ng ty c\u00f3 crypto tr\u00ean b\u1ea3ng c\u00e2n \u0111\u1ed1i k\u1ebf to\u00e1n, c\u00e1c giao th\u1ee9c gi\u1eef ch\u00eca kh\u00f3a n\u00e2ng c\u1ea5p, v\u00e0 c\u00e1c nh\u00f3m c\u1ea7n k\u00fd qu\u1ef9. \u0110\u1ed1i v\u1edbi c\u00e1c s\u1ed1 d\u01b0 nh\u1ecf h\u00e0ng ng\u00e0y, ma s\u00e1t ph\u1ed1i h\u1ee3p th\u01b0\u1eddng v\u01b0\u1ee3t qu\u00e1 l\u1ee3i \u00edch.<\/p>\n

K\u00fd m\u00f9 l\u00e0 ph\u00ea duy\u1ec7t m\u1ed9t giao d\u1ecbch m\u00e0 n\u1ed9i dung th\u1ef1c s\u1ef1 c\u1ee7a n\u00f3 b\u1ea1n kh\u00f4ng th\u1ec3 \u0111\u1ecdc, th\u01b0\u1eddng l\u00e0 m\u1ed9t t\u1ea3i tr\u1ecdng h\u1ee3p \u0111\u1ed3ng th\u00f4ng minh ph\u1ee9c t\u1ea1p \u0111\u01b0\u1ee3c hi\u1ec3n th\u1ecb d\u01b0\u1edbi d\u1ea1ng m\u1ed9t b\u0103m m\u1edd. \u0110\u00e2y l\u00e0 vector \u0111\u1ee9ng sau nh\u1eefng v\u1ee5 tr\u1ed9m multisig l\u1edbn nh\u1ea5t: c\u00e1c k\u1ebb t\u1ea5n c\u00f4ng l\u00e0m t\u1ed5n h\u1ea1i \u0111\u1ebfn giao di\u1ec7n \u0111\u1ec3 ng\u01b0\u1eddi k\u00fd th\u1ea5y m\u1ed9t giao d\u1ecbch h\u1ee3p ph\u00e1p trong khi ph\u00ea duy\u1ec7t m\u1ed9t giao d\u1ecbch \u0111\u1ed9c h\u1ea1i. C\u00e1c bi\u1ec7n ph\u00e1p ph\u00f2ng ng\u1eeba bao g\u1ed3m c\u00e1c thi\u1ebft b\u1ecb gi\u1ea3i m\u00e3 t\u1ea3i tr\u1ecdng, x\u00e1c minh k\u00eanh th\u1ee9 hai \u0111\u1ed9c l\u1eadp, v\u00e0 c\u00e1c c\u00f4ng c\u1ee5 m\u00f4 ph\u1ecfng xem tr\u01b0\u1edbc t\u00e1c \u0111\u1ed9ng.<\/p>\n

Tr\u00ean c\u00e1c multisig h\u1ee3p \u0111\u1ed3ng th\u00f4ng minh, vi\u1ec7c th\u00eam ho\u1eb7c lo\u1ea1i b\u1ecf ng\u01b0\u1eddi k\u00fd v\u00e0 thay \u0111\u1ed5i ng\u01b0\u1ee1ng ch\u00ednh l\u00e0 c\u00e1c giao d\u1ecbch y\u00eau c\u1ea7u ph\u00ea duy\u1ec7t ng\u01b0\u1ee1ng. S\u1ef1 linh ho\u1ea1t \u0111\u00f3 cho ph\u00e9p xoay v\u00f2ng v\u00e0 ph\u1ee5c h\u1ed3i, v\u00e0 n\u00f3 c\u0169ng l\u00e0 m\u1ed9t m\u1ee5c ti\u00eau, v\u00ec m\u1ed9t k\u1ebb t\u1ea5n c\u00f4ng \u0111\u1ea1t \u0111\u1ebfn ng\u01b0\u1ee1ng c\u00f3 th\u1ec3 ho\u00e0n to\u00e0n lo\u1ea1i b\u1ecf c\u00e1c ch\u1ee7 s\u1edf h\u1eefu h\u1ee3p ph\u00e1p, nh\u01b0 c\u00e1c v\u1ee5 vi ph\u1ea1m g\u1ea7n \u0111\u00e2y \u0111\u00e3 cho th\u1ea5y. Xem x\u00e9t c\u00e1c thay \u0111\u1ed5i trong b\u1ed9 ng\u01b0\u1eddi k\u00fd nh\u01b0 l\u00e0 ho\u1ea1t \u0111\u1ed9ng nh\u1ea1y c\u1ea3m nh\u1ea5t m\u00e0 v\u00ed th\u1ef1c hi\u1ec7n.<\/p>\n","protected":false},"excerpt":{"rendered":"

Gi\u1edbi thi\u1ec7u v\u1ec1 V\u00ed \u0110a Ch\u1eef K\u00fd (Multisig) V\u00ed \u0111a ch\u1eef k\u00fd (multisig) l\u00e0 m\u1ed9t c\u00f4ng c\u1ee5 b\u1ea3o v\u1ec7 quan tr\u1ecdng cho h\u1ea7u h\u1ebft s\u1ed1 ti\u1ec1n l\u1edbn trong l\u0129nh v\u1ef1c ti\u1ec1n \u0111i\u1ec7n t\u1eed, bao g\u1ed3m kho b\u1ea1c c\u1ee7a c\u00e1c t\u1ed5 ch\u1ee9c phi l\u1ee3i nhu\u1eadn (DAO), l\u01b0u tr\u1eef l\u1ea1nh c\u1ee7a c\u00e1…<\/p>\n","protected":false},"author":3,"featured_media":20893,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[47],"tags":[4225,4393,6987,4218,12340,4313,10425,9523,10447],"class_list":["post-20894","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-hack","tag-bitcoin","tag-bybit","tag-dao","tag-ethereum","tag-gnosis-safe","tag-hack","tag-ronin","tag-safe","tag-uxlink"],"yoast_head":"\nV\u00ed Multisig: C\u00e1ch B\u1ea3o V\u1ec7 v\u00e0 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