{"id":5776,"date":"2021-01-02T14:37:43","date_gmt":"2021-01-02T07:37:43","guid":{"rendered":"https:\/\/news.bitcoinvn.io\/?p=5776"},"modified":"2021-01-02T14:37:43","modified_gmt":"2021-01-02T07:37:43","slug":"lam-sao-de-luu-tru-vi-bitcoin-da-chu-ky-an-toan","status":"publish","type":"post","link":"https:\/\/bitcoinvn.io\/news\/vi\/lam-sao-de-luu-tru-vi-bitcoin-da-chu-ky-an-toan\/","title":{"rendered":"L\u00e0m sao \u0111\u1ec3 l\u01b0u tr\u1eef v\u00ed Bitcoin \u0111a ch\u1eef k\u00fd an to\u00e0n?"},"content":{"rendered":"

Ben Kaufman<\/a>\u00a0\u2013 l\u00e0 nh\u00e0 ph\u00e1t tri\u1ec3n ph\u1ea7n m\u1ec1m kh\u00f4ng u\u1ef7 quy\u1ec1n (permissionless) t\u1ea1i\u00a0Specter Wallet<\/a> ( m\u1ed9t d\u1ecbch v\u1ee5 nh\u1eb1m cung c\u1ea5p c\u00e1c giao d\u1ecbch MultiSig li\u1ec1n m\u1ea1ch v\u00e0 c\u00e1c gi\u1ea3i ph\u00e1p li\u00ean quan \u0111\u1ebfn c\u00f4ng ngh\u1ec7 HODL kh\u00e1c) \u2013 th\u1ef1c hi\u1ec7n b\u00e0i h\u01b0\u1edbng d\u1eabn n\u00e0y<\/a> v\u1ec1 c\u00e1ch l\u01b0u tr\u1eef v\u00ed Bitcoin \u0111a ch\u1eef k\u00fd (multisig) th\u1eadt an to\u00e0n!<\/p>\n

<\/p>\n

T\u00f4i \u0111\u00e3 nh\u1eadn \u0111\u01b0\u1ee3c nhi\u1ec1u c\u00e2u h\u1ecfi t\u1eeb nh\u1eefng ng\u01b0\u1eddi \u0111ang c\u00e2n nh\u1eafc thi\u1ebft l\u1eadp v\u00ed #Bitcoin multisig nh\u01b0ng b\u1ed1i r\u1ed1i v\u1ec1 quy tr\u00ecnh sao l\u01b0u, nh\u1eefng g\u00ec n\u00ean sao l\u01b0u v\u00e0 t\u1ea1i sao.<\/p>\n

V\u00ec v\u1eady, \u0111\u00e2y l\u00e0 m\u1ed9t ch\u1ee7 \u0111\u1ec1 v\u1ec1 sao l\u01b0u v\u00ed \u0111a ch\u1eef k\u00fd – l\u01b0u tr\u1eef c\u00e1i g\u00ec, t\u1ea1i sao v\u00e0 b\u1eb1ng c\u00e1ch n\u00e0o.<\/p>\n

L\u01b0u \u00fd ch\u00ednh trong v\u00ed multisig l\u00e0, trong khi b\u1ea1n ch\u1ec9 c\u1ea7n m\u1ed9t ng\u01b0\u1ee1ng thi\u1ebft b\u1ecb (t\u1ee9c l\u00e0 2 tr\u00ean 3, 3 tr\u00ean 5, v.v.) \u0111\u1ec3 k\u00fd m\u1ed9t giao d\u1ecbch, vi\u1ec7c m\u1ea5t quy\u1ec1n truy c\u1eadp d\u00f9 ch\u1ec9 m\u1ed9t thi\u1ebft b\u1ecb c\u00f3 th\u1ec3 khi\u1ebfn b\u1ea1n kh\u00f4ng th\u1ec3 ti\u00eau ti\u1ec1n – n\u1ebfu b\u1ea1n kh\u00f4ng sao l\u01b0u \u0111\u00fang c\u00e1ch!<\/p>\n

L\u00fd do l\u00e0 (th\u00f4ng th\u01b0\u1eddng) \u0111\u1ec3 th\u1ef1c hi\u1ec7n m\u1ed9t giao d\u1ecbch Bitcoin<\/a>, b\u1ea1n kh\u00f4ng th\u1ec3 k\u00fd t\u00ean v\u00e0o n\u00f3 m\u00e0 c\u00f2n c\u1ea7n ph\u1ea3i cung c\u1ea5p “\u0111i\u1ec1u kho\u1ea3n chi ti\u00eau”, ngh\u0129a l\u00e0Script (m\u00e3) \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 kh\u00f3a c\u00e1c \u0111\u1ed3ng ti\u1ec1n.<\/p>\n

\u0110\u00f3 l\u00e0 b\u1edfi v\u00ec t\u1eadp l\u1ec7nh \u0111\u1ea7y \u0111\u1ee7 th\u01b0\u1eddng kh\u00f4ng \u0111\u01b0\u1ee3c l\u01b0u tr\u1eef tr\u1ef1c ti\u1ebfp tr\u00ean blockchain, m\u00e0 ch\u1ec9 \u1edf d\u1ea1ng b\u0103m (m\u1ed9t m\u00e3 \u0111\u1ecbnh danh duy nh\u1ea5t c\u1ee7a n\u00f3). Sau \u0111\u00f3, khi chi ti\u00eau, b\u1ea1n c\u1ea7n cung c\u1ea5p c\u1ea3 m\u00e3 t\u1eadp l\u1ec7nh g\u1ed1c kh\u1edbp v\u1edbi h\u00e0m b\u0103m \u0111\u00f3 v\u00e0 \u0111\u00e1p \u1ee9ng b\u1ea5t k\u1ef3 \u0111i\u1ec1u ki\u1ec7n n\u00e0o m\u00e0 t\u1eadp l\u1ec7nh c\u00f3 th\u1ec3 bao g\u1ed3m.<\/p>\n

Trong m\u1ed9t v\u00ed kh\u00f3a duy nh\u1ea5t, \u0111i\u1ec1u n\u00e0y l\u00e0 nh\u1ecf. T\u1eadp l\u1ec7nh bao g\u1ed3m kh\u00f3a c\u00f4ng khai c\u1ee7a v\u00ed c\u1ee7a b\u1ea1n v\u00e0 m\u1ed9t s\u1ed1 l\u1ec7nh ti\u00eau chu\u1ea9n – v\u00e0 vi\u1ec7c \u0111\u00e1p \u1ee9ng n\u00f3 y\u00eau c\u1ea7u ch\u1eef k\u00fd cho kh\u00f3a \u0111\u00f3, do \u0111\u00f3, c\u1ea3 t\u1eadp l\u1ec7nh v\u00e0 ch\u1eef k\u00fd \u0111\u1ec1u c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c t\u1ea1o b\u1eb1ng c\u00e1ch c\u00f3 quy\u1ec1n truy c\u1eadp v\u00e0o m\u1ed9t kh\u00f3a ri\u00eang t\u01b0 \u0111\u00f3.<\/p>\n

V\u1edbi multisig th\u00ec \u0111i\u1ec1u n\u00e0y quan tr\u1ecdng. T\u1eadp l\u1ec7nh cho multisig ch\u1ee9a danh s\u00e1ch c\u00e1c kh\u00f3a c\u00f4ng khai c\u1ee7a t\u1ea5t c\u1ea3 c\u00e1c cosigner c\u00f3 th\u1ec3 c\u00f3 – c\u00f3 ngh\u0129a l\u00e0 n\u00f3 ch\u1ec9 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c x\u00e2y d\u1ef1ng b\u1eb1ng c\u00e1ch bi\u1ebft c\u00e1c kh\u00f3a c\u00f4ng khai c\u1ee7a T\u1ea4T C\u1ea2 c\u00e1c thi\u1ebft b\u1ecb trong multisig, kh\u00f4ng ch\u1ec9 c\u1ee7a c\u00e1c thi\u1ebft b\u1ecb b\u1ea1n \u0111ang k\u00fd.<\/p>\n

Khi b\u1ea1n mu\u1ed1n l\u1ea5y m\u1ed9t \u0111\u1ecba ch\u1ec9 c\u1ee7a multisig, ph\u1ea7n m\u1ec1m v\u00ed c\u1ee7a b\u1ea1n \u0111ang l\u1ea5y c\u00e1c kh\u00f3a c\u00f4ng khai c\u1ee7a c\u1ea3 3 cosigner, li\u1ec7t k\u00ea ch\u00fang theo c\u00e1ch ti\u00eau chu\u1ea9n b\u00ean trong m\u1ed9t t\u1eadp l\u1ec7nh, b\u0103m n\u00f3, sau \u0111\u00f3 v\u1edbi h\u00e0m b\u0103m n\u00e0y t\u1ea1o \u0111\u1ecba ch\u1ec9.<\/p>\n

Khi nh\u1eadn bitcoin \u0111\u1ebfn \u0111\u1ecba ch\u1ec9 \u0111\u00f3, tr\u00ean blockchain s\u1ebd c\u00f3 “cam k\u1ebft” cho c\u1ea3 3 kh\u00f3a c\u00f4ng khai, trong \u0111\u00f3 c\u1ea7n 2 ch\u1eef k\u00fd. Nh\u01b0ng b\u1ea3n th\u00e2n c\u00e1c kh\u00f3a c\u00f4ng khai v\u1eabn ch\u01b0a \u0111\u01b0\u1ee3c li\u1ec7t k\u00ea tr\u00ean blockchain – b\u1ea1n c\u0169ng ph\u1ea3i cung c\u1ea5p ch\u00fang khi chi ti\u00eau t\u1eeb \u0111\u1ecba ch\u1ec9.<\/p>\n

B\u00e2y gi\u1edd, gi\u1ea3 s\u1eed b\u1ea1n \u0111\u00e3 m\u1ea5t quy\u1ec1n truy c\u1eadp v\u00e0o m\u1ed9t kh\u00f3a c\u00e1 nh\u00e2n (m\u1ed9t thi\u1ebft b\u1ecb v\u00e0 b\u1ea3n sao l\u01b0u ghi nh\u1edb c\u1ee7a n\u00f3), b\u1ea1n s\u1ebd kh\u00f4ng th\u1ec3 bi\u1ebft kh\u00f3a c\u00f4ng khai c\u1ee7a n\u00f3 n\u1eefa – v\u00ec v\u1eady b\u1ea1n s\u1ebd kh\u00f4ng th\u1ec3 t\u1ea1o l\u1ea1i t\u1eadp l\u1ec7nh c\u1ee7a \u0111\u1ecba ch\u1ec9.
\nV\u00ec v\u1eady, m\u1eb7c d\u00f9 b\u1ea1n c\u00f3 \u0111\u1ee7 ch\u1eef k\u00fd, b\u1ea1n s\u1ebd kh\u00f4ng th\u1ec3 ti\u1ebfp c\u1eadn qu\u1ef9.<\/p>\n

Gi\u1ea3i ph\u00e1p – l\u00e0 b\u01b0\u1edbc b\u1ed5 sung c\u1ee7a sao l\u01b0u multisig – c\u0169ng l\u00e0 gi\u1eef m\u1ed9t b\u1ea3n sao l\u01b0u danh s\u00e1ch c\u00e1c kh\u00f3a c\u00f4ng khai (xpub) c\u1ee7a t\u1ea5t c\u1ea3 c\u00e1c cosigner, t\u1eeb \u0111\u00f3 b\u1ea1n c\u00f3 th\u1ec3 t\u1ea1o l\u1ea1i script.<\/p>\n

V\u00ec danh s\u00e1ch kh\u00f3a c\u00f4ng khai n\u00e0y kh\u00f4ng ch\u1ee9a kh\u00f3a k\u00fd (ri\u00eang t\u01b0),
\nkh\u00f4ng c\u00f3 nguy c\u01a1 m\u1ea5t ti\u1ec1n ngay c\u1ea3 khi k\u1ebb t\u1ea5n c\u00f4ng truy c\u1eadp v\u00e0o n\u00f3, nh\u01b0ng \u0111\u00e2y s\u1ebd l\u00e0 m\u1ed1i quan t\u00e2m v\u1ec1 quy\u1ec1n ri\u00eang t\u01b0 v\u00ec k\u1ebb t\u1ea5n c\u00f4ng sau \u0111\u00f3 s\u1ebd c\u00f3 th\u1ec3 xem s\u1ed1 d\u01b0 tr\u00ean v\u00ed multisig.<\/p>\n

\u0110\u00f3 l\u00e0 l\u00fd do t\u1ea1i sao kh\u00f4ng n\u00ean \u0111\u1ec3 t\u1ec7p n\u00e0y tr\u00ean m\u1ed9t s\u1ed1 b\u1ea3n sao l\u01b0u \u0111\u00e1m m\u00e2y ho\u1eb7c m\u1ed9t s\u1ed1 t\u00f9y ch\u1ecdn kh\u00f4ng an to\u00e0n kh\u00e1c.
\nB\u1ea1n n\u00ean gi\u1eef n\u00f3 c\u00f9ng v\u1edbi t\u1eebng b\u1ea3n sao l\u01b0u cosigners \/ seed \u0111\u1ec3 b\u1ea1n c\u00f3 th\u1ec3 kh\u00f4i ph\u1ee5c b\u1ea5t k\u1ec3 s\u1ef1 k\u1ebft h\u1ee3p c\u1ee7a nh\u1eefng ng\u01b0\u1eddi \u0111\u0103ng nh\u1eadp m\u00e0 b\u1ea1n cu\u1ed1i c\u00f9ng s\u1eed d\u1ee5ng.<\/p>\n

B\u00ean c\u1ea1nh danh s\u00e1ch c\u00e1c kh\u00f3a c\u00f4ng khai, c\u0169ng c\u1ea7n bi\u1ebft lo\u1ea1i t\u1eadp l\u1ec7nh \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng (b\u1ea5t k\u1ef3 SegWit g\u1ed1c, SegWit l\u1ed3ng nhau hay k\u1ebf th\u1eeba),
\nv\u00e0 ng\u01b0\u1ee1ng \u0111\u01b0\u1ee3c ch\u1ecdn \u0111\u1ec3 t\u1ea1o t\u1eadp l\u1ec7nh multisig. C\u00f3 th\u1ec3 bi\u1ebft nh\u1eefng \u0111i\u1ec1u n\u00e0y b\u1eb1ng c\u00e1ch \u0111o\u00e1n (t\u00ednh v\u0169 phu), nh\u01b0ng t\u1ed1t h\u01a1n l\u00e0 b\u1ea1n n\u00ean gi\u1eef n\u00f3.<\/p>\n

Ph\u1ea7n cu\u1ed1i c\u00f9ng m\u00e0 b\u1ea1n n\u00ean bao g\u1ed3m l\u00e0 c\u00e1c \u0111\u01b0\u1eddng d\u1eabn xu\u1ea5t \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho m\u1ed7i thi\u1ebft b\u1ecb. M\u1ed7i \u0111\u01b0\u1eddng d\u1eabn d\u1eabn xu\u1ea5t cho v\u00ed c\u1ee7a b\u1ea1n bi\u1ebft c\u00e1ch chuy\u1ec3n t\u1eebng kh\u00f3a c\u00f4ng khai ch\u00ednh,
\nth\u00e0nh m\u1ed9t kh\u00f3a c\u00f4ng khai “d\u00f9ng m\u1ed9t l\u1ea7n” ri\u00eang l\u1ebb kh\u00e1c \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 t\u1ea1o m\u1ecdi \u0111\u1ecba ch\u1ec9 m\u1edbi.<\/p>\n

D\u1eef li\u1ec7u v\u1ec1 c\u00e1c \u0111\u01b0\u1eddng d\u1eabn xu\u1ea5t n\u00e0y \u0111\u01b0\u1ee3c chu\u1ea9n h\u00f3a \u0111\u1ec3 t\u1ea5t c\u1ea3 c\u00e1c v\u00ed ph\u1ea3i s\u1eed d\u1ee5ng c\u00f9ng m\u1ed9t \u0111\u01b0\u1eddng d\u1eabn xu\u1ea5t theo m\u1eb7c \u0111\u1ecbnh, nh\u01b0ng t\u1ed1t nh\u1ea5t l\u00e0 b\u1ea1n n\u00ean gi\u1eef nguy\u00ean \u0111\u01b0\u1eddng d\u1eabn \u0111\u00f3, \u0111\u1eb7c bi\u1ec7t n\u1ebfu b\u1ea1n s\u1eed d\u1ee5ng m\u1ed9t \u0111\u01b0\u1eddng d\u1eabn duy nh\u1ea5t v\u00ec l\u00fd do n\u00e0o \u0111\u00f3.<\/p>\n

\u0110i\u1ec1u n\u00e0y nghe c\u00f3 v\u1ebb gi\u1ed1ng nh\u01b0 r\u1ea5t nhi\u1ec1u th\u00e0nh ph\u1ea7n,
\nnh\u01b0ng \u0111\u1ec3 \u0111\u01a1n gi\u1ea3n h\u00f3a vi\u1ec7c s\u1eed d\u1ee5ng, c\u00f3 m\u1ed9t ti\u00eau chu\u1ea9n \u0111\u1ec3 l\u01b0u tr\u1eef v\u00e0 kh\u00f4i ph\u1ee5c th\u00f4ng tin \u0111\u00f3, \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 B\u1ed9 m\u00f4 t\u1ea3 \u0111\u1ea7u ra.<\/p>\n

Ch\u1ec9 l\u00e0 m\u1ed9t v\u00ed d\u1ee5 v\u1ec1 b\u1ea3n sao l\u01b0u cu\u1ed1i c\u00f9ng c\u00f3 th\u1ec3 tr\u00f4ng nh\u01b0 th\u1ebf n\u00e0o, \u0111\u00e2y l\u00e0 m\u1ed9t v\u00e0i b\u1ee9c \u1ea3nh v\u1ec1 b\u1ea3n sao l\u01b0u PDF \u0111\u01b0\u1ee3c t\u1ea1o t\u1eeb @SpecterWallet<\/p>\n

\u0110i\u1ec1u n\u00e0y ch\u1ee9a danh s\u00e1ch kh\u00f3a thi\u1ebft b\u1ecb ri\u00eang l\u1ebb,
\nc\u0169ng nh\u01b0 m\u1ecdi th\u1ee9 \u1edf \u0111\u1ecbnh d\u1ea1ng b\u1ed9 m\u00f4 t\u1ea3 \u0111\u1ea7u ra (v\u00e0 m\u1ed9t ch\u00fat d\u1eef li\u1ec7u b\u1ed5 sung nh\u01b0 t\u00ean v\u00ed, v.v.)<\/p>\n

\"How\"How<\/p>\n

\"Image\"<\/p>\n

B\u1ea1n c\u00f3 th\u1ec3 l\u01b0u t\u1ec7p n\u00e0y b\u1eb1ng c\u00e1ch ch\u1ec9 c\u1ea7n in t\u1ec7p PDF, l\u01b0u tr\u1eef tr\u00ean th\u1ebb SD ho\u1eb7c ch\u1ec9 gi\u1eef m\u00e3 h\u00f3a tr\u00ean b\u1ea3n sao l\u01b0u \u0111\u00e1m m\u00e2y. Nh\u1eefng g\u00ec b\u1ea1n c\u1ea7n nh\u1edb l\u00e0: 1. B\u1ea1n c\u1ea7n th\u00f4ng tin n\u00e0y \u0111\u1ec3 kh\u00f4i ph\u1ee5c v\u00ed. 2. B\u1ea5t k\u1ef3 ai c\u00f3 quy\u1ec1n truy c\u1eadp th\u00f4ng tin n\u00e0y \u0111\u1ec1u c\u00f3 th\u1ec3 xem l\u1ecbch s\u1eed v\u00ed c\u1ee7a b\u1ea1n.<\/p>\n

V\u00ec v\u1eady, \u0111\u1ec3 \u0111\u01a1n gi\u1ea3n, ph\u1ea7n b\u1ed5 sung b\u1ea1n n\u00ean sao l\u01b0u khi s\u1eed d\u1ee5ng v\u00ed multisig l\u00e0 b\u1ed9 m\u00f4 t\u1ea3 \u0111\u1ea7u ra – danh s\u00e1ch c\u00e1c kh\u00f3a c\u00f4ng khai c\u1ee7a c\u00e1c cosigner v\u1edbi m\u1ed9t s\u1ed1 d\u1eef li\u1ec7u tr\u00ean v\u00ed.<\/p>\n

Th\u00f4ng tin n\u00e0y ch\u1ec9 c\u00f3 th\u1ec3 l\u1ea5y khi c\u00f3 quy\u1ec1n truy c\u1eadp v\u00e0o t\u1ea5t c\u1ea3 c\u00e1c thi\u1ebft b\u1ecb trong multisig c\u1ee7a b\u1ea1n v\u00e0 b\u1ea1n c\u1ea7n ph\u1ea3i chi ti\u00eau t\u1eeb \u0111\u00f3. V\u00ec v\u1eady, \u0111\u1ec3 lo\u1ea1i b\u1ecf \u0111i\u1ec3m l\u1ed7i duy nh\u1ea5t khi m\u1ea5t quy\u1ec1n truy c\u1eadp v\u00e0o m\u1ed9t cosigner, b\u1ea1n n\u00ean gi\u1eef b\u1ea3n sao l\u01b0u n\u00e0y c\u00f9ng v\u1edbi m\u1ed7i thi\u1ebft b\u1ecb c\u1ee7a m\u00ecnh. v\u00e2y \/<\/p>\n

C\u00f4ng b\u1eb1ng m\u00e0 n\u00f3i, b\u1ea1n kh\u00f4ng c\u1ea7n ph\u1ea3i sao l\u01b0u b\u1ea5t c\u1ee9 th\u1ee9 g\u00ec ngo\u1ea1i tr\u1eeb h\u1ea1t gi\u1ed1ng n\u1ebfu b\u1ea1n mu\u1ed1n b\u1ea3o m\u1eadt \u201cc\u1ea7n t\u1ea5t c\u1ea3 c\u00e1c thi\u1ebft b\u1ecb\u201d. 2 trong s\u1ed1 2 \u0111\u00e3 t\u1ed1t h\u01a1n so v\u1edbi kh\u00f3a \u0111\u01a1n, nh\u01b0ng v\u1eabn kh\u00f4ng c\u00f3 ch\u1ed7 cho sai l\u1ea7m, \u0111\u00f3 lu\u00f4n l\u00e0 s\u1ef1 \u0111\u00e1nh \u0111\u1ed5i …<\/p>\n

Ben Kaufman \u0111\u00e3 v\u00e0 \u0111ang \u0111\u00f3ng g\u00f3p v\u00e0o nhi\u1ec1u d\u1ef1 \u00e1n kh\u00e1c nhau trong kh\u00f4ng gian Bitcoin nh\u01b0 Spectre<\/a>, HWI<\/a> v\u00e0 Bisq<\/a> v\u00e0 vi\u1ebft nhi\u1ec1u v\u1ec1 ch\u1ee7 \u0111\u1ec1 kinh t\u1ebf \u0111\u1eb1ng sau Bitcoin c\u0169ng nh\u01b0 c\u00e1c \u1ea5n \u0111\u1ec1 li\u00ean quan \u0111\u1ebfn b\u1ea3o m\u1eadt l\u01b0u tr\u1ef1.<\/em><\/p>\n

N\u1ebfu b\u1ea1n mu\u1ed1n \u1ee7ng h\u1ed9 c\u00f4ng vi\u1ec7c c\u1ee7a anh \u1ea5y v\u1edbi m\u1ed9t v\u00e0i satoshi – b\u1ea1n c\u00f3 th\u1ec3 l\u00e0m nh\u01b0 v\u1eady t\u1ea1i \u0111\u00e2y<\/a>.<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"

Ben Kaufman\u00a0\u2013 l\u00e0 nh\u00e0 ph\u00e1t tri\u1ec3n ph\u1ea7n m\u1ec1m kh\u00f4ng u\u1ef7 quy\u1ec1n (permissionless) t\u1ea1i\u00a0Specter Wallet ( m\u1ed9t d\u1ecbch v\u1ee5 nh\u1eb1m cung c\u1ea5p c\u00e1c giao d\u1ecbch MultiSig li\u1ec1n m\u1ea1ch v\u00e0 c\u00e1c gi\u1ea3i ph\u00e1p li\u00ean quan \u0111\u1ebfn c\u00f4ng ngh\u1ec7 HODL kh\u00e1c) \u2013 th\u1ef1c hi\u1ec7n b\u00e0i h\u01b0\u1edbng d\u1eabn n\u00e0y v\u1ec1 c\u00e1ch l\u01b0u tr\u1eef v\u00ed Bitcoin \u0111a ch\u1eef k\u00fd (multisig) […]<\/p>\n","protected":false},"author":11,"featured_media":5396,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3813],"tags":[],"class_list":["post-5776","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-bitcoin"],"yoast_head":"\nL\u00e0m sao \u0111\u1ec3 l\u01b0u tr\u1eef v\u00ed Bitcoin \u0111a ch\u1eef k\u00fd an to\u00e0n? - BitcoinVN 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