{"id":21450,"date":"2026-08-04T10:19:07","date_gmt":"2026-08-04T10:19:07","guid":{"rendered":"https:\/\/cryptozen.asia\/vn\/cto-cua-ledger-multisig-khong-phai-luon-la-giai-phap-toi-uu\/"},"modified":"2026-08-04T10:19:07","modified_gmt":"2026-08-04T10:19:07","slug":"cto-cua-ledger-multisig-khong-phai-luon-la-giai-phap-toi-uu","status":"publish","type":"post","link":"https:\/\/cryptozen.asia\/vn\/cto-cua-ledger-multisig-khong-phai-luon-la-giai-phap-toi-uu\/","title":{"rendered":"CTO c\u1ee7a Ledger: Multisig Kh\u00f4ng Ph\u1ea3i Lu\u00f4n L\u00e0 Gi\u1ea3i Ph\u00e1p T\u1ed1i \u01afu"},"content":{"rendered":"<h2>Quan \u0111i\u1ec3m c\u1ee7a Charles Guillemet v\u1ec1 v\u00ed multisig<\/h2>\n<p>Charles Guillemet, <strong>CTO c\u1ee7a Ledger<\/strong>, cho r\u1eb1ng ng\u01b0\u1eddi d\u00f9ng Bitcoin kh\u00f4ng n\u00ean v\u1ed9i v\u00e0ng \u00e1p d\u1ee5ng <strong>v\u00ed multisig<\/strong> nh\u01b0 m\u1ed9t ph\u1ea3n \u1ee9ng t\u1ee9c th\u00ec \u0111\u1ed1i v\u1edbi s\u1ef1 c\u1ed1 <em>Coldcard<\/em> g\u1ea7n \u0111\u00e2y. \u00d4ng nh\u1ea5n m\u1ea1nh r\u1eb1ng vi\u1ec7c l\u00e0m cho c\u1ea5u h\u00ecnh tr\u1edf n\u00ean ph\u1ee9c t\u1ea1p h\u01a1n c\u00f3 th\u1ec3 th\u1ef1c s\u1ef1 mang l\u1ea1i nh\u1eefng <strong>r\u1ee7i ro b\u1ed5 sung<\/strong>. Thay v\u00e0o \u0111\u00f3, Guillemet khuy\u1ebfn ngh\u1ecb ng\u01b0\u1eddi d\u00f9ng Bitcoin t\u1ef1 qu\u1ea3n l\u00fd n\u00ean l\u1ef1a ch\u1ecdn gi\u1ea3i ph\u00e1p <strong>&#8220;miniscript&#8221;<\/strong>, v\u00ec n\u00f3 c\u00f3 th\u1ec3 cung c\u1ea5p b\u1ea3o m\u1eadt n\u00e2ng cao m\u00e0 kh\u00f4ng l\u00e0m m\u1ecdi th\u1ee9 tr\u1edf n\u00ean qu\u00e1 ph\u1ee9c t\u1ea1p.<\/p>\n<h2>Khuy\u1ebfn ngh\u1ecb v\u1ec1 Bitcoin Miniscript<\/h2>\n<p>Trong m\u1ed9t b\u00e0i \u0111\u0103ng tr\u00ean X, Guillemet ch\u1ec9 ra r\u1eb1ng <strong>multisig<\/strong> c\u00f3 th\u1ec3 l\u00e0m cho vi\u1ec7c ph\u1ee5c h\u1ed3i v\u00e0 qu\u1ea3n l\u00fd v\u00ed tr\u1edf n\u00ean kh\u00f3 kh\u0103n h\u01a1n. \u00d4ng cho bi\u1ebft nhi\u1ec1u ng\u01b0\u1eddi d\u00f9ng cu\u1ed1i c\u00f9ng t\u1ea1o ra c\u00e1c c\u1ea5u h\u00ecnh th\u1ef1c s\u1ef1 c\u1ed3ng k\u1ec1nh \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o an to\u00e0n trong qu\u00e1 tr\u00ecnh ph\u1ee5c h\u1ed3i. L\u00e0 m\u1ed9t l\u1ef1a ch\u1ecdn thay th\u1ebf, Guillemet \u0111\u00e3 \u0111\u1ec1 xu\u1ea5t vi\u1ec7c s\u1eed d\u1ee5ng <strong>Bitcoin Miniscript<\/strong>, cho ph\u00e9p ng\u01b0\u1eddi d\u00f9ng x\u00e1c \u0111\u1ecbnh c\u00e1c \u0111i\u1ec1u ki\u1ec7n chi ti\u00eau ph\u1ee9c t\u1ea1p nh\u01b0 <em>quy t\u1eafc th\u1eeba k\u1ebf<\/em>, <em>kh\u00f3a ph\u1ee5c h\u1ed3i theo th\u1eddi gian<\/em> v\u00e0 <em>ch\u00ednh s\u00e1ch 2 trong 3 \u1ee7y quy\u1ec1n<\/em>.<\/p>\n<h2>\u01afu \u0111i\u1ec3m c\u1ee7a vi\u1ec7c tri\u1ec3n khai c\u1ee7a Ledger<\/h2>\n<p>Theo \u00f4ng, vi\u1ec7c tri\u1ec3n khai c\u1ee7a Ledger cho ph\u00e9p <strong>&#8220;k\u00fd r\u00f5 r\u00e0ng&#8221;<\/strong> cho m\u1ecdi \u0111\u01b0\u1eddng d\u1eabn chi ti\u00eau, gi\u00fap ng\u01b0\u1eddi d\u00f9ng x\u00e1c minh ch\u00ednh x\u00e1c nh\u1eefng g\u00ec h\u1ecd \u0111ang ph\u00ea duy\u1ec7t tr\u00ean v\u00ed ph\u1ea7n c\u1ee9ng c\u1ee7a m\u00ecnh. \u0110\u1ed1i v\u1edbi c\u00e1c nh\u00e0 ph\u00e1t tri\u1ec3n, Miniscript gi\u00fap vi\u1ec7c x\u00e2y d\u1ef1ng ph\u1ea7n m\u1ec1m v\u00ed t\u00f9y ch\u1ec9nh tr\u1edf n\u00ean d\u1ec5 d\u00e0ng h\u01a1n. Guillemet cho bi\u1ebft \u00f4ng \u0111\u00e3 t\u1ea1o ra m\u1ed9t v\u00ed Bitcoin ch\u1ee9c n\u0103ng h\u1ed7 tr\u1ee3 c\u00e1c ch\u00ednh s\u00e1ch chi ti\u00eau n\u00e2ng cao ch\u1ec9 trong v\u00e0i gi\u1edd v\u1edbi s\u1ef1 tr\u1ee3 gi\u00fap c\u1ee7a <em>tr\u1ee3 l\u00fd AI Claude<\/em>. \u00d4ng c\u0169ng cho bi\u1ebft ph\u01b0\u01a1ng ph\u00e1p k\u00fd r\u00f5 r\u00e0ng c\u1ee7a Ledger khi\u1ebfn \u00f4ng c\u1ea3m th\u1ea5y tho\u1ea3i m\u00e1i khi th\u1eed nghi\u1ec7m v\u00ed tr\u00ean m\u1ea1ng ch\u00ednh Bitcoin.<\/p>\n<h2>Nh\u1eefng l\u1ef1a ch\u1ecdn thay th\u1ebf v\u00e0 khuy\u1ebfn ngh\u1ecb cu\u1ed1i c\u00f9ng<\/h2>\n<p>Ngo\u00e0i ra, Guillemet c\u0169ng ch\u1ec9 ra <strong>MuSig2<\/strong>, m\u1ed9t l\u1ef1a ch\u1ecdn m\u1eadt m\u00e3 thay th\u1ebf cho multisig d\u1ef1a tr\u00ean script truy\u1ec1n th\u1ed1ng. \u00d4ng kh\u1eb3ng \u0111\u1ecbnh r\u1eb1ng v\u00ed ph\u1ea7n c\u1ee9ng c\u1ee7a Ledger l\u00e0, theo ki\u1ebfn th\u1ee9c c\u1ee7a \u00f4ng, nh\u1eefng thi\u1ebft b\u1ecb duy nh\u1ea5t hi\u1ec7n \u0111ang h\u1ed7 tr\u1ee3 MuSig2. M\u1eb7c d\u00f9 \u0111\u00e3 ph\u00e1c th\u1ea3o nh\u1eefng l\u1ef1a ch\u1ecdn thay th\u1ebf n\u00e0y, Guillemet nh\u1ea5n m\u1ea1nh r\u1eb1ng <strong>multisig<\/strong> v\u1eabn ph\u00f9 h\u1ee3p v\u1edbi m\u1ed9t s\u1ed1 ng\u01b0\u1eddi d\u00f9ng. Tuy nhi\u00ean, \u00f4ng l\u1eadp lu\u1eadn r\u1eb1ng c\u00e1c quy\u1ebft \u0111\u1ecbnh v\u1ec1 b\u1ea3o m\u1eadt n\u00ean d\u1ef1a tr\u00ean <strong>m\u00f4 h\u00ecnh m\u1ed1i \u0111e d\u1ecda<\/strong> c\u1ee7a t\u1eebng c\u00e1 nh\u00e2n, thay v\u00ec ch\u1ec9 ph\u1ea3n \u1ee9ng v\u1edbi c\u00e1c ti\u00eau \u0111\u1ec1 g\u1ea7n \u0111\u00e2y. \u0110\u1ed1i v\u1edbi h\u1ea7u h\u1ebft m\u1ecdi ng\u01b0\u1eddi, nh\u01b0 \u00f4ng \u0111\u00e3 l\u01b0u \u00fd, m\u1ed9t v\u00ed ph\u1ea7n c\u1ee9ng v\u1edbi <strong>ch\u1eef k\u00fd \u0111\u01a1n<\/strong> \u0111\u01b0\u1ee3c sao l\u01b0u \u0111\u00fang c\u00e1ch v\u1eabn l\u00e0 l\u1ef1a ch\u1ecdn th\u1ef1c t\u1ebf nh\u1ea5t.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Quan \u0111i\u1ec3m c\u1ee7a Charles Guillemet v\u1ec1 v\u00ed multisig Charles Guillemet, CTO c\u1ee7a Ledger, cho r\u1eb1ng ng\u01b0\u1eddi d\u00f9ng Bitcoin kh\u00f4ng n\u00ean v\u1ed9i v\u00e0ng \u00e1p d\u1ee5ng v\u00ed multisig nh\u01b0 m\u1ed9t ph\u1ea3n \u1ee9ng t\u1ee9c th\u00ec \u0111\u1ed1i v\u1edbi s\u1ef1 c\u1ed1 Coldcard g\u1ea7n \u0111\u00e2y. \u00d4ng nh\u1ea5n m\u1ea1nh &#8230;<\/p>\n","protected":false},"author":3,"featured_media":21449,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[42],"tags":[4225,10128,11607,12442,4241,12454],"class_list":["post-21450","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-bitcoin","tag-bitcoin","tag-charles-guillemet","tag-claude","tag-coldcard","tag-ledger","tag-musig2"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.6 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>CTO c\u1ee7a Ledger: Multisig Kh\u00f4ng Ph\u1ea3i Lu\u00f4n L\u00e0 Gi\u1ea3i Ph\u00e1p T\u1ed1i \u01afu - CryptoZen<\/title>\n<meta name=\"description\" content=\"Charles Guillemet, CTO c\u1ee7a Ledger, khuy\u00ean ng\u01b0\u1eddi d\u00f9ng Bitcoin kh\u00f4ng 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