{"id":1281,"date":"2020-10-27T00:00:07","date_gmt":"2020-10-26T17:00:07","guid":{"rendered":"https:\/\/bap-software.net\/?post_type=bap-blog&p=1281"},"modified":"2025-06-27T17:21:56","modified_gmt":"2025-06-27T10:21:56","slug":"multisig","status":"publish","type":"knowledge","link":"https:\/\/bap-software.net\/vi\/knowledge\/multisig\/","title":{"rendered":"Multisig l\u00e0 g\u00ec? \u1ee8ng d\u1ee5ng v\u00e0 \u01b0u \u0111i\u1ec3m n\u1ed5i b\u1eadt trong th\u1ebf gi\u1edbi Blockchain"},"content":{"rendered":"

Multisig mang l\u1ea1i nhi\u1ec1u l\u1ee3i \u00edch v\u1ec1 b\u1ea3o m\u1eadt trong giao d\u1ecbch ti\u1ec1n \u1ea3o, tuy nhi\u00ean kh\u00f4ng ph\u1ea3i ai c\u0169ng hi\u1ec3u r\u00f5 n\u1ec1n t\u1ea3ng n\u00e0y. Trong b\u00e0i vi\u1ebft n\u00e0y, ch\u00fang t\u00f4i s\u1ebd gi\u1edbi thi\u1ec7u v\u00e0 gi\u1ea3i th\u00edch v\u1ec1 Multisig: \u0111\u1ecbnh ngh\u0129a, \u01b0u \u2013 nh\u01b0\u1ee3c \u0111i\u1ec3m, c\u01a1 ch\u1ebf ho\u1ea1t \u0111\u1ed9ng, v\u00e0 m\u1ed9t s\u1ed1 v\u00ed \u0111i\u1ec7n t\u1eed h\u1ed7 tr\u1ee3 Multisig.<\/p>\n

1. Multisig l\u00e0 g\u00ec?<\/strong><\/h2>\n

Multisig<\/strong> (vi\u1ebft t\u1eaft c\u1ee7a Multisignature<\/em>) l\u00e0 m\u1ed9t c\u00f4ng ngh\u1ec7 ch\u1eef k\u00fd s\u1ed1 trong l\u0129nh v\u1ef1c ti\u1ec1n m\u00e3 h\u00f3a v\u00e0 blockchain, y\u00eau c\u1ea7u nhi\u1ec1u kh\u00f3a ri\u00eang (private keys)<\/strong> \u0111\u1ec3 ph\u00ea duy\u1ec7t m\u1ed9t giao d\u1ecbch.<\/p>\n

Kh\u00e1c v\u1edbi Singlesig<\/strong> \u2013 ch\u1ec9 y\u00eau c\u1ea7u m\u1ed9t kh\u00f3a \u0111\u1ec3 k\u00fd giao d\u1ecbch \u2013 Multisig cho ph\u00e9p thi\u1ebft l\u1eadp c\u00e1c ch\u00ednh s\u00e1ch nh\u01b0 \u201c2 trong s\u1ed1 3 ch\u1eef k\u00fd\u201d (2-of-3<\/em>), t\u1eeb \u0111\u00f3 n\u00e2ng cao b\u1ea3o m\u1eadt<\/strong>, gi\u1ea3m r\u1ee7i ro b\u1ecb \u0111\u00e1nh c\u1eafp<\/strong> v\u00e0 t\u0103ng kh\u1ea3 n\u0103ng qu\u1ea3n tr\u1ecb t\u1eadp th\u1ec3<\/strong>.<\/p>\n

\"Multisig\"

Definition of Multisig – Source: Medium<\/p><\/div>\n

C\u00f4ng ngh\u1ec7 n\u00e0y \u0111\u01b0\u1ee3c \u1ee9ng d\u1ee5ng r\u1ed9ng r\u00e3i trong v\u00ed ti\u1ec1n m\u00e3 h\u00f3a \u0111a ch\u1eef k\u00fd<\/strong>, s\u00e0n giao d\u1ecbch t\u1eadp trung v\u00e0 phi t\u1eadp trung<\/strong>, qu\u1ea3n tr\u1ecb DAO<\/strong>, v\u00e0 nhi\u1ec1u gi\u1ea3i ph\u00e1p l\u01b0u k\u00fd t\u00e0i s\u1ea3n k\u1ef9 thu\u1eadt s\u1ed1.<\/p>\n

2. \u01afu v\u00e0 nh\u01b0\u1ee3c \u0111i\u1ec3m c\u1ee7a Multisig<\/strong><\/h2>\n

2.1. \u01afu \u0111i\u1ec3m<\/strong><\/h3>\n
    \n
  • \n

    T\u0103ng c\u01b0\u1eddng b\u1ea3o m\u1eadt:<\/strong>
    Ngay c\u1ea3 khi m\u1ed9t kh\u00f3a b\u00ed m\u1eadt b\u1ecb r\u00f2 r\u1ec9, t\u00e0i s\u1ea3n v\u1eabn an to\u00e0n n\u1ebfu y\u00eau c\u1ea7u \u00edt nh\u1ea5t hai ch\u1eef k\u00fd (2-of-N). B\u1ea1n ch\u1ec9 m\u1ea5t t\u00e0i s\u1ea3n khi m\u1ea5t t\u1ea5t c\u1ea3 c\u00e1c kh\u00f3a.<\/p>\n<\/li>\n

  • \n

    Gi\u1ea3m r\u1ee7i ro tham nh\u0169ng:<\/strong>
    Trong t\u1ed5 ch\u1ee9c, ch\u1eb3ng h\u1ea1n s\u00e0n giao d\u1ecbch, khi tr\u00e1ch nhi\u1ec7m \u0111\u01b0\u1ee3c ph\u00e2n chia th\u00e0nh nhi\u1ec1u b\u00ean, kh\u1ea3 n\u0103ng thao t\u00fang gi\u1ea3m \u0111\u00e1ng k\u1ec3.<\/p>\n<\/li>\n

  • \n

    Qu\u1ea3n l\u00fd m\u1ea5t kh\u00f3a:<\/strong>
    V\u00ed d\u1ee5, b\u1ea1n c\u00f3 c\u1ea5u h\u00ecnh Multisig 2-of-3, d\u00f9 m\u1ea5t m\u1ed9t kh\u00f3a, v\u1eabn c\u00f3 th\u1ec3 th\u1ef1c hi\u1ec7n giao d\u1ecbch.<\/p>\n<\/li>\n<\/ul>\n

    2.2. Nh\u01b0\u1ee3c \u0111i\u1ec3m<\/strong><\/h3>\n
      \n
    • \n

      T\u1ed1n th\u1eddi gian thi\u1ebft l\u1eadp:<\/strong>
      C\u00e0i \u0111\u1eb7t Multisig (v\u00ed d\u1ee5 2-of-3) \u0111\u00f2i h\u1ecfi ph\u1ea3i t\u1ea1o nhi\u1ec1u kh\u00f3a, l\u01b0u tr\u1eef ph\u00e2n t\u00e1n, \u0111\u1eb7c bi\u1ec7t n\u1ebfu mu\u1ed1n n\u00e2ng cao b\u1ea3o m\u1eadt.<\/p>\n<\/li>\n

    • \n

      Ph\u00ed d\u1ecbch v\u1ee5 cao h\u01a1n:<\/strong>
      Do s\u1eed d\u1ee5ng nhi\u1ec1u kh\u00f3a v\u00e0 c\u01a1 ch\u1ebf ph\u1ee9c t\u1ea1p, ph\u00ed giao d\u1ecbch cao h\u01a1n so v\u1edbi Singlesig.<\/p>\n<\/li>\n

    • \n

      Nguy c\u01a1 t\u1eeb s\u00e0n t\u1eadp trung:<\/strong>
      N\u1ebfu b\u1ea1n \u0111\u1ec3 kh\u00f3a t\u1ea1i s\u00e0n, r\u1ee7i ro \u0111\u1ebfn t\u1eeb l\u1ed7 h\u1ed5ng b\u1ea3o m\u1eadt c\u1ee7a s\u00e0n v\u1eabn t\u1ed3n t\u1ea1i. D\u00f9 s\u00e0n h\u1ed7 tr\u1ee3 Multisig, t\u00ednh an to\u00e0n kh\u00f4ng bao gi\u1edd tuy\u1ec7t \u0111\u1ed1i.<\/p>\n<\/li>\n<\/ul>\n

      3. C\u01a1 ch\u1ebf ho\u1ea1t \u0111\u1ed9ng c\u1ee7a Multisig<\/strong><\/h2>\n

      M\u1ed9t c\u00e1ch \u0111\u01a1n gi\u1ea3n \u0111\u1ec3 h\u00ecnh dung Multisig l\u00e0 chi\u1ebfc k\u00e9t s\u1eaft c\u00f3 hai \u1ed5 kh\u00f3a v\u00e0 hai ch\u00eca kh\u00f3a. M\u1ed9t ch\u00eca do b\u1ea1n gi\u1eef, ch\u00eca c\u00f2n l\u1ea1i do m\u1eb9 b\u1ea1n gi\u1eef. \u0110\u1ec3 m\u1edf k\u00e9t, c\u1ea7n c\u1ea3 hai ch\u00eca c\u00f9ng l\u00fac \u2014 ngh\u0129a l\u00e0 kh\u00f4ng ai c\u00f3 th\u1ec3 m\u1edf k\u00e9t m\u00e0 kh\u00f4ng c\u00f3 s\u1ef1 \u0111\u1ed3ng \u00fd c\u1ee7a ng\u01b0\u1eddi kia.<\/p>\n

      \"What

      How Multisig works? – Source: Bitcoin wiki<\/p><\/div>\n

      V\u1ec1 b\u1ea3n ch\u1ea5t, t\u00e0i s\u1ea3n \u0111\u01b0\u1ee3c l\u01b0u tr\u1eef t\u1ea1i m\u1ed9t \u0111\u1ecba ch\u1ec9 \u0111a ch\u1eef k\u00fd (multi-signature address), ch\u1ec9 c\u00f3 th\u1ec3 truy c\u1eadp khi c\u00f3 t\u1eeb hai ch\u1eef k\u00fd tr\u1edf l\u00ean theo c\u1ea5u h\u00ecnh \u0111\u01b0\u1ee3c \u0111\u1ecbnh s\u1eb5n (v\u00ed d\u1ee5: 2-of-3, 3-of-5\u2026).<\/p>\n

      Vi\u1ec7c s\u1eed d\u1ee5ng v\u00ed \u0111a ch\u1eef k\u00fd (Multisig Wallet) gi\u00fap ng\u01b0\u1eddi d\u00f9ng b\u1ed5 sung m\u1ed9t l\u1edbp b\u1ea3o m\u1eadt b\u1ed5 sung, ph\u00f2ng tr\u00e1nh c\u00e1c r\u1ee7i ro nh\u01b0 m\u1ea5t kh\u00f3a, \u0111\u00e1nh c\u1eafp kh\u00f3a ho\u1eb7c truy c\u1eadp tr\u00e1i ph\u00e9p. \u0110\u00e2y ch\u00ednh l\u00e0 c\u01a1 ch\u1ebf ho\u1ea1t \u0111\u1ed9ng c\u1ee7a Multisig \u2014 \u0111i\u1ec1u m\u00e0 ng\u01b0\u1eddi d\u00f9ng n\u00ean hi\u1ec3u r\u00f5 khi c\u00f3 \u00fd \u0111\u1ecbnh tham gia th\u1ecb tr\u01b0\u1eddng ti\u1ec1n m\u00e3 h\u00f3a nh\u01b0 Ethereum, Bitcoin, Ripple…<\/p>\n

      Ngay sau \u0111\u00e2y, ch\u00fang t\u00f4i s\u1ebd gi\u1edbi thi\u1ec7u 3 n\u1ec1n t\u1ea3ng h\u1ed7 tr\u1ee3 v\u00ed Multisig, gi\u00fap b\u1ea1n tri\u1ec3n khai d\u1ec5 d\u00e0ng m\u00e0 kh\u00f4ng c\u1ea7n vi\u1ebft m\u00e3.<\/p>\n

      4. V\u00ed \u0111i\u1ec7n t\u1eed h\u1ed7 tr\u1ee3 Multisig<\/h3>\n

      4.1. V\u00ed ELECTRUM<\/h4>\n

      ELECTRUM l\u00e0 m\u1ed9t v\u00ed \u0111i\u1ec7n t\u1eed d\u00f9ng \u0111\u1ec3 qu\u1ea3n l\u00fd Bitcoin tr\u00ean m\u00e1y t\u00ednh (PC), \u0111\u01b0\u1ee3c t\u00edch h\u1ee3p t\u00ednh n\u0103ng V\u00ed L\u1ea1nh (Cold Wallet) v\u00e0 h\u1ed7 tr\u1ee3 c\u01a1 ch\u1ebf \u0110a ch\u1eef k\u00fd (Multisignature) nh\u1eb1m t\u0103ng c\u01b0\u1eddng m\u1ee9c \u0111\u1ed9 b\u1ea3o m\u1eadt cho t\u00e0i s\u1ea3n.<\/p>\n

      \"Multi-sig

      Electrum wallet – Source: tokenhell<\/p><\/div>\n

      C\u00e1ch t\u1ea1o v\u00ed Multisig b\u1eb1ng ELECTRUM<\/strong><\/h3>\n

      \u0110\u1ec3 t\u1ea1o v\u00ed \u0111a ch\u1eef k\u00fd (Multisig) b\u1eb1ng n\u1ec1n t\u1ea3ng ELECTRUM, b\u1ea1n c\u00f3 th\u1ec3 th\u1ef1c hi\u1ec7n theo c\u00e1c b\u01b0\u1edbc sau:<\/p>\n

        \n
      1. \n

        C\u00e0i \u0111\u1eb7t ph\u1ea7n m\u1ec1m ELECTRUM<\/strong> tr\u00ean m\u00e1y t\u00ednh ho\u1eb7c thi\u1ebft b\u1ecb Android t\u1eeb trang ch\u00ednh th\u1ee9c ho\u1eb7c Google Play.<\/p>\n<\/li>\n

      2. \n

        Khi kh\u1edfi \u0111\u1ed9ng, \u0111\u1eb7t l\u1ea1i t\u00ean v\u00ed<\/strong> m\u1eb7c \u0111\u1ecbnh (“default wallet”) th\u00e0nh t\u00ean b\u1ea1n mong mu\u1ed1n.<\/p>\n<\/li>\n

      3. \n

        Ch\u1ecdn t\u00f9y ch\u1ecdn \u201cV\u00ed \u0111a ch\u1eef k\u00fd\u201d (Multi-signature wallet)<\/strong> khi \u0111\u01b0\u1ee3c h\u1ecfi lo\u1ea1i v\u00ed c\u1ea7n t\u1ea1o.<\/p>\n<\/li>\n

      4. \n

        X\u00e1c \u0111\u1ecbnh t\u1ef7 l\u1ec7 ch\u1eef k\u00fd c\u1ea7n thi\u1ebft<\/strong>, v\u00ed d\u1ee5 nh\u01b0 \u201c2 trong s\u1ed1 3\u201d (2-of-3), v\u00e0 t\u1ea1o c\u00e1c kh\u00f3a b\u00ed m\u1eadt (private key) t\u01b0\u01a1ng \u1ee9ng.<\/p>\n<\/li>\n

      5. \n

        \u0110\u0103ng k\u00fd c\u00e1c kh\u00f3a c\u00f4ng khai (public key)<\/strong> c\u1ee7a b\u1ea1n v\u00e0 c\u1ee7a c\u00e1c \u0111\u1ed3ng k\u00fd (co-signers).<\/p>\n<\/li>\n

      6. \n

        Nh\u1eadp kh\u00f3a c\u00f4ng khai ch\u00ednh<\/strong> (c\u1ee7a b\u1ea1n ho\u1eb7c \u0111\u1ed3ng k\u00fd) \u0111\u1ec3 ho\u00e0n t\u1ea5t qu\u00e1 tr\u00ecnh thi\u1ebft l\u1eadp.<\/p>\n<\/li>\n<\/ol>\n

        \u0110\u00e2y l\u00e0 c\u00e1c b\u01b0\u1edbc c\u01a1 b\u1ea3n \u0111\u1ec3 t\u1ea1o v\u00ed Multisig tr\u00ean n\u1ec1n t\u1ea3ng ELECTRUM m\u00e0 kh\u00f4ng c\u1ea7n vi\u1ebft m\u00e3 l\u1eadp tr\u00ecnh.<\/p>\n

        4.2. V\u00ed Copay<\/strong><\/h3>\n
        \"Multisig

        Copay wallet platform – Source: Heronyang<\/p><\/div>\n

        N\u1ebfu b\u1ea1n \u0111ang s\u1eed d\u1ee5ng Copay<\/strong>, b\u1ea1n c\u00f3 th\u1ec3 d\u1ec5 d\u00e0ng thi\u1ebft l\u1eadp v\u00ed Multisig d\u00e0nh cho Bitcoin. N\u1ec1n t\u1ea3ng n\u00e0y h\u1ed7 tr\u1ee3 c\u1ea3 thi\u1ebft b\u1ecb di \u0111\u1ed9ng<\/strong> v\u00e0 m\u00e1y t\u00ednh \u0111\u1ec3 b\u00e0n (PC)<\/strong>.<\/p>\n

        C\u00e1ch t\u1ea1o \u0111\u1ecba ch\u1ec9 Multisig v\u1edbi Copay<\/strong><\/h4>\n
          \n
        1. \n

          T\u1ea3i v\u00e0 c\u00e0i \u0111\u1eb7t \u1ee9ng d\u1ee5ng Copay<\/strong> v\u1ec1 thi\u1ebft b\u1ecb.<\/p>\n<\/li>\n

        2. \n

          M\u1edf \u1ee9ng d\u1ee5ng, ch\u1ecdn \u201cAdd Wallet\u201d<\/strong>, sau \u0111\u00f3 nh\u1ea5n \u201cAdd New Wallet\u201d<\/strong>.<\/p>\n<\/li>\n

        3. \n

          Trong b\u01b0\u1edbc ch\u1ecdn lo\u1ea1i v\u00ed, h\u00e3y ch\u1ecdn \u201cShared Wallet\u201d<\/strong> (v\u00ed d\u00f9ng chung).<\/p>\n<\/li>\n

        4. \n

          X\u00e1c \u0111\u1ecbnh s\u1ed1 l\u01b0\u1ee3ng kh\u00f3a c\u00f4ng khai (public key)<\/strong> v\u00e0 s\u1ed1 ch\u1eef k\u00fd (signature) c\u1ea7n thi\u1ebft \u0111\u1ec3 th\u1ef1c hi\u1ec7n giao d\u1ecbch. N\u1ebfu b\u1ea1n mu\u1ed1n s\u1eed d\u1ee5ng public key c\u1ee7a ng\u01b0\u1eddi kh\u00e1c, h\u00e3y chia s\u1ebb m\u00e3 QR<\/strong> hi\u1ec3n th\u1ecb \u0111\u1ec3 h\u1ecd qu\u00e9t v\u00e0 tham gia.<\/p>\n<\/li>\n

        5. \n

          Nh\u1ea5p \u201cJoin the Shared Wallet\u201d<\/strong> \u0111\u1ec3 tham gia v\u00ed \u0111a ch\u1eef k\u00fd.<\/p>\n<\/li>\n

        6. \n

          Sau \u0111\u00f3, ch\u1ecdn kh\u00f3a c\u00f4ng khai b\u1ea1n mu\u1ed1n s\u1eed d\u1ee5ng.<\/p>\n<\/li>\n

        7. \n

          Cu\u1ed1i c\u00f9ng, nh\u1ea5n \u201cJoin\u201d<\/strong> \u0111\u1ec3 ho\u00e0n t\u1ea5t qu\u00e1 tr\u00ecnh thi\u1ebft l\u1eadp.<\/p>\n<\/li>\n<\/ol>\n

          4.3. Nano wallet<\/strong><\/h3>\n
          \"Nano

          Nano wallet – Source: Medium<\/p><\/div>\n

          N\u1ebfu b\u1ea1n s\u1eed d\u1ee5ng Nano Wallet<\/strong>, b\u1ea1n c\u00f3 th\u1ec3 thi\u1ebft l\u1eadp v\u00ed \u0111a ch\u1eef k\u00fd (Multisig) d\u00e0nh cho NEM (XEM)<\/strong>. Nano Wallet h\u1ed7 tr\u1ee3 c\u1ea3 thi\u1ebft b\u1ecb di \u0111\u1ed9ng v\u00e0 m\u00e1y t\u00ednh (PC)<\/strong>, mang \u0111\u1ebfn s\u1ef1 linh ho\u1ea1t cho ng\u01b0\u1eddi d\u00f9ng.<\/p>\n

          C\u00e1c b\u01b0\u1edbc t\u1ea1o v\u00ed Multisig tr\u00ean Nano Wallet:<\/strong><\/h4>\n
            \n
          1. \n

            T\u1ea1o v\u00ed m\u1edbi<\/strong> trong Nano Wallet v\u00e0 \u0111\u0103ng nh\u1eadp.<\/p>\n<\/li>\n

          2. \n

            Ch\u1ecdn ch\u1ee9c n\u0103ng \u201cChuy\u1ec3n sang Multisig\u201d (Change to Multisig)<\/strong>.<\/p>\n<\/li>\n

          3. \n

            Nh\u1eadp c\u00e1c kh\u00f3a c\u00f4ng khai (public keys)<\/strong> c\u1ee7a c\u00e1c \u0111\u1ed3ng k\u00fd (co-signers) \u0111\u1ec3 \u0111\u0103ng k\u00fd.<\/p>\n<\/li>\n

          4. \n

            Nh\u1eadp s\u1ed1 l\u01b0\u1ee3ng ch\u1eef k\u00fd b\u1eaft bu\u1ed9c<\/strong> \u0111\u1ec3 x\u00e1c th\u1ef1c giao d\u1ecbch (v\u00ed d\u1ee5: 2-of-3).<\/p>\n<\/li>\n

          5. \n

            Ho\u00e0n t\u1ea5t qu\u00e1 tr\u00ecnh thi\u1ebft l\u1eadp.<\/p>\n<\/li>\n<\/ol>\n

            K\u1ebft lu\u1eadn<\/strong><\/h2>\n

            Multisignature (\u0110a ch\u1eef k\u00fd) l\u00e0 gi\u1ea3i ph\u00e1p b\u1ea3o m\u1eadt hi\u1ec7u qu\u1ea3 cho giao d\u1ecbch ti\u1ec1n m\u00e3 h\u00f3a, nh\u1edd v\u00e0o c\u01a1 ch\u1ebf y\u00eau c\u1ea7u nhi\u1ec1u kh\u00f3a \u0111\u1ec3 x\u00e1c th\u1ef1c. D\u00f9 v\u1eabn t\u1ed3n t\u1ea1i m\u1ed9t s\u1ed1 nh\u01b0\u1ee3c \u0111i\u1ec3m nh\u01b0 chi ph\u00ed thi\u1ebft l\u1eadp cao v\u00e0 y\u00eau c\u1ea7u k\u1ef9 thu\u1eadt ph\u1ee9c t\u1ea1p h\u01a1n, nh\u01b0ng kh\u00f4ng th\u1ec3 ph\u1ee7 nh\u1eadn r\u1eb1ng Multisig s\u1ebd ng\u00e0y c\u00e0ng \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng r\u1ed9ng r\u00e3i<\/strong> tr\u00ean c\u00e1c s\u00e0n giao d\u1ecbch trong t\u01b0\u01a1ng lai g\u1ea7n.<\/p>\n

            <\/p>","protected":false},"author":18,"featured_media":5847,"template":"","meta":{"_acf_changed":false},"tags":[9290,9338],"blog-cat":[2074,2058],"class_list":["post-1281","knowledge","type-knowledge","status-publish","has-post-thumbnail","hentry","tag-blockchain-technology","tag-multisig-wallet","blog-cat-blockchain","blog-cat-technology"],"acf":[],"yoast_head":"\nMultisig l\u00e0 g\u00ec? \u1ee8ng d\u1ee5ng v\u00e0 \u01b0u \u0111i\u1ec3m n\u1ed5i b\u1eadt trong th\u1ebf gi\u1edbi Blockchain<\/title>\n<meta name=\"description\" content=\"Multisig (vi\u1ebft t\u1eaft c\u1ee7a Multisignature) l\u00e0 m\u1ed9t c\u00f4ng ngh\u1ec7 ch\u1eef k\u00fd s\u1ed1 trong l\u0129nh v\u1ef1c ti\u1ec1n m\u00e3 h\u00f3a v\u00e0 blockchain, y\u00eau c\u1ea7u nhi\u1ec1u kh\u00f3a ri\u00eang (private keys) \u0111\u1ec3...\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/bap-software.net\/vi\/knowledge\/multisig\/\" \/>\n<meta property=\"og:locale\" content=\"vi_VN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Multisig l\u00e0 g\u00ec? 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