{"id":9514,"date":"2024-01-03T10:03:22","date_gmt":"2024-01-03T03:03:22","guid":{"rendered":"https:\/\/bitcoinvn.io\/news\/?p=9514"},"modified":"2024-01-03T18:45:10","modified_gmt":"2024-01-03T11:45:10","slug":"signing-mass-utxo","status":"publish","type":"post","link":"https:\/\/bitcoinvn.io\/news\/vi\/signing-mass-utxo\/","title":{"rendered":"Signing mass Bitcoin l\u00e0 g\u00ec? V\u00ec sao m\u1ed9t s\u1ed1 UTXO kh\u00f3 k\u00fd giao d\u1ecbch?"},"content":{"rendered":"

C\u00f3 bao gi\u1edd b\u1ea1n th\u1eafc m\u1eafc v\u00ec sao m\u1ed9t v\u00ed c\u1ee9ng c\u00f3 th\u1ec3 nhanh ch\u00f3ng ph\u00ea duy\u1ec7t giao d\u1ecbch v\u1edbi h\u00e0ng ch\u1ee5c UTXO trong khi m\u1ed9t s\u1ed1 v\u00ed kh\u00e1c c\u00f9ng lo\u1ea1i l\u1ea1i kh\u00f3 ph\u00ea duy\u1ec7t giao d\u1ecbch v\u1edbi dung l\u01b0\u1ee3ng ch\u1ec9 v\u00e0i UTXO?\u00a0 T\u1ea5t c\u1ea3 \u0111\u01b0\u1ee3c quy\u1ebft \u0111\u1ecbnh b\u1edfi kh\u1ed1i l\u01b0\u1ee3ng k\u00fd Bitcoin<\/strong> – signing mass. V\u1eady signing mass l\u00e0 g\u00ec<\/a>? L\u00e0m sao \u0111\u1ec3 gi\u00fap 1 UTXO \u0111\u1ea9y nhanh th\u1eddi gian k\u00fd giao d\u1ecbch? H\u00e3y \u0111\u1ecdc k\u1ef9 b\u00e0i vi\u1ebft b\u00ean d\u01b0\u1edbi nh\u00e9!\u00a0<\/span><\/em><\/p>\n

\"Signing
Signing mass l\u00e0 g\u00ec v\u00e0 n\u00f3 \u1ea3nh h\u01b0\u1edfng nh\u01b0 th\u1ebf n\u00e0o \u0111\u1ebfn t\u1ed1c \u0111\u1ed9 x\u1eed l\u00fd giao d\u1ecbch?<\/figcaption><\/figure>\n

Signing mass l\u00e0 g\u00ec?<\/strong><\/h2>\n

Trong qu\u00e1 tr\u00ecnh nghi\u00ean c\u1ee9u, ch\u00fang t\u00f4i \u0111\u00e3 ph\u00e1t hi\u1ec7n ra r\u1eb1ng: th\u1eddi gian x\u00e1c nh\u1eadn giao d\u1ecbch c\u1ee7a v\u00ed c\u1ee9ng kh\u00f4ng ch\u1ec9 ph\u1ee5 thu\u1ed9c v\u00e0o s\u1ed1 l\u01b0\u1ee3ng UTXO \u0111\u01b0\u1ee3c g\u1eedi v\u00e0 s\u1ed1 l\u01b0\u1ee3ng \u0111\u1ecba ch\u1ec9 nh\u1eadn m\u00e0 n\u00f3 c\u00f2n li\u00ean quan \u0111\u1ebfn c\u00e1c giao d\u1ecbch tr\u01b0\u1edbc \u0111\u00f3 m\u00e0 UTXO \u0111\u00e3 t\u1eebng \u0111\u1ebfn. \u0110i\u1ec1u n\u00e0y \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 signing mass – <\/em>“kh\u1ed1i l\u01b0\u1ee3ng k\u00fd”.<\/span><\/p>\n

Hi\u1ec3u m\u1ed9t c\u00e1ch \u0111\u01a1n gi\u1ea3n, signing mass l\u00e0 s\u1ed1 l\u1ea7n UTXO \u0111\u00f3 \u0111\u01b0\u1ee3c x\u1eed l\u00fd tr\u01b0\u1edbc khi k\u00fd giao d\u1ecbch. C<\/span>\u00e1c UTXO \u0111\u00e3 \u0111\u01b0\u1ee3c x\u1eed l\u00fd qua nhi\u1ec1u c\u00f4ng \u0111o\u1ea1n s\u1ebd m\u1ea5t nhi\u1ec1u th\u1eddi gian h\u01a1n \u0111\u1ec3 ph\u00ea duy\u1ec7t giao d\u1ecbch<\/strong>.<\/p>\n

V\u00ed d\u1ee5: 1 UTXO \u0111\u01b0\u1ee3c b\u1ea3o m\u1eadt \u0111a ch\u1eef k\u00fd 2\/3 th\u00ec s\u1ebd t\u1ed1n nhi\u1ec1u th\u1eddi gian v\u00e0 c\u00f4ng s\u1ee9c \u0111\u1ec3 ph\u00ea duy\u1ec7t giao d\u1ecbch h\u01a1n so v\u1edbi 1 UTXO th\u00f4ng th\u01b0\u1eddng.<\/p>\n

\"Signing
Signing mass l\u00e0 s\u1ed1 l\u1ea7n UTXO \u0111\u01b0\u1ee3c k\u00fd tr\u01b0\u1edbc \u0111\u00f3<\/figcaption><\/figure>\n

>>> Xem th\u00eam: UTXO bitcoin l\u00e0 g\u00ec? T\u00e1c \u0111\u1ed9ng c\u1ee7a n\u00f3 \u0111\u1ebfn ph\u00ed giao d\u1ecbch v\u00e0 quy\u1ec1n ri\u00eang t\u01b0<\/a><\/em><\/p>\n

T\u1ea1i sao m\u1ed9t s\u1ed1 UTXO kh\u00f3 k\u00fd h\u01a1n?<\/b><\/h2>\n

\u0110\u1ec3 hi\u1ec3u l\u00fd do t\u1ea1i sao 2 UTXO tr\u00f4ng gi\u1ed1ng nhau l\u1ea1i c\u00f3 th\u1ec3 c\u00f3 kh\u1ed1i l\u01b0\u1ee3ng k\u00fd kh\u00e1c nhau, tr\u01b0\u1edbc ti\u00ean, ch\u00fang ta c\u1ea7n hi\u1ec3u ph\u01b0\u01a1ng ph\u00e1p \u0111\u01b0\u1eddng v\u00f2ng m\u00e0 v\u00ed ph\u1ea7n c\u1ee9ng s\u1eed d\u1ee5ng \u0111\u1ec3 x\u00e1c minh s\u1ed1 ti\u1ec1n \u0111\u1ea7u v\u00e0o m\u00e0 kh\u00f4ng c\u1ea7n k\u1ebft n\u1ed1i internet<\/strong> v\u00e0 m\u1ee9c \u0111\u1ed9 ph\u1ee9c t\u1ea1p c\u1ee7a giao d\u1ecbch gi\u1eefa c\u00e1c ph\u01b0\u01a1ng th\u1ee9c nh\u1eadn bitcoin<\/a> kh\u00e1c nhau.<\/span><\/p>\n

D\u1eef li\u1ec7u UTXO \u0111\u1ea7u v\u00e0o c\u00e0ng nhi\u1ec1u – c\u00e0ng m\u1ea5t th\u1eddi gian x\u1eed l\u00fd giao d\u1ecbch<\/b><\/h3>\n

\u0110\u1ed1i v\u1edbi b\u1ea5t k\u1ef3 giao d\u1ecbch n\u00e0o, vi\u1ec7c x\u00e1c minh s\u1ed1 l\u01b0\u1ee3ng bitcoin \u0111\u01b0\u1ee3c g\u1eedi \u0111i l\u00e0 v\u00f4 c\u00f9ng quan tr\u1ecdng. N\u1ebfu kh\u00f4ng, m\u1ed9t l\u01b0\u1ee3ng l\u1edbn bitcoin c\u1ee7a b\u1ea1n c\u00f3 th\u1ec3 v\u00f4 t\u00ecnh \u0111\u01b0\u1ee3c tr\u1ea3 cho c\u00e1c th\u1ee3 \u0111\u00e0o. T\u1ea1i sao? B\u1edfi v\u00ec c\u00e1c kho\u1ea3n ph\u00ed m\u00e0 nh\u1eefng ng\u01b0\u1eddi khai th\u00e1c ph\u1ea3i tr\u1ea3 kh\u00f4ng \u0111\u01b0\u1ee3c n\u00eau r\u00f5<\/strong><\/span> trong giao d\u1ecbch, nh\u01b0ng \u0111\u01b0\u1ee3c t\u00ednh ng\u1ea7m<\/strong><\/span>\u00a0<\/strong>b\u1eb1ng c\u00e1ch tr\u1eeb gi\u00e1 tr\u1ecb c\u1ee7a \u0111\u1ea7u ra kh\u1ecfi gi\u00e1 tr\u1ecb c\u1ee7a \u0111\u1ea7u v\u00e0o. Do \u0111\u00f3, n\u1ebfu 2 con s\u1ed1 c\u00f3 s\u1ef1 ch\u00eanh l\u1ec7ch l\u1edbn th\u00ec m\u1ee9c ph\u00ed thu c\u0169ng s\u1ebd l\u1edbn.<\/span><\/p>\n

V\u00ed d\u1ee5, n\u1ebfu b\u1ea1n c\u00f3 c\u00e1c UTXO t\u1ed5ng c\u1ed9ng 0.8 BTC v\u00e0 b\u1ea1n mu\u1ed1n g\u1eedi 0.3 BTC cho ai \u0111\u00f3. N\u1ebfu b\u1ea1n kh\u00f4ng g\u1eedi s\u1ed1 bitcoin c\u00f2n l\u1ea1i (0.5 BTC) cho ch\u00ednh m\u00ecnh nh\u01b0 d\u1ea1ng ti\u1ec1n th\u1ed1i l\u1ea1i, c\u00e1c th\u1ee3 \u0111\u00e0o c\u00f3 th\u1ec3 l\u1ea5y 0.5 BTC \u0111\u00f3 d\u01b0\u1edbi d\u1ea1ng m\u1ed9t ph\u1ea7n ph\u00ed m\u00e0 h\u1ecd ki\u1ebfm \u0111\u01b0\u1ee3c.<\/span><\/p>\n

\"\"<\/p>\n

Nh\u01b0ng \u0111\u1eebng lo! T\u1ea5t c\u1ea3 c\u00e1c c\u00f4ng c\u1ee5 bitcoin hi\u1ec7n \u0111\u1ea1i v\u00e0 \u0111\u00e1ng tin c\u1eady \u0111\u1ec1u bao g\u1ed3m c\u00e1c c\u01a1 ch\u1ebf an to\u00e0n t\u1ef1 \u0111\u1ed9ng. V\u00ec v\u1eady vi\u1ec7c m\u1eafc l\u1ed7i n\u00e0y kh\u00e1 kh\u00f3 (n\u1ebfu kh\u00f4ng mu\u1ed1n n\u00f3i l\u00e0 kh\u00f4ng th\u1ec3). Quy tr\u00ecnh c\u00f3 th\u1ec3 \u0111\u01a1n gi\u1ea3n nh\u01b0 t\u00ecm ki\u1ebfm tr\u00ean blockchain \u0111\u1ec3 x\u00e1c minh s\u1ed1 l\u01b0\u1ee3ng \u0111\u1ea7u v\u00e0o v\u00e0 so s\u00e1nh t\u1ed5ng s\u1ed1 c\u1ee7a ch\u00fang v\u1edbi t\u1ed5ng s\u1ed1 l\u01b0\u1ee3ng \u0111\u1ea7u ra \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh xem ph\u00ed c\u00f3 h\u1ee3p l\u00fd hay kh\u00f4ng.<\/span><\/p>\n

Tuy nhi\u00ean, v\u00ed c\u1ee9ng \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 ho\u1ea1t \u0111\u1ed9ng \u0111\u1ed9c l\u1eadp v\u1edbi internet. V\u00e0 b\u1ea1n bi\u1ebft \u0111\u1ea5y, n\u1ebfu kh\u00f4ng c\u00f3 internet ho\u1eb7c k\u1ebft n\u1ed1i v\u1edbi node th\u00ec kh\u00f4ng th\u1ec3 quan s\u00e1t blockchain. Do \u0111\u00f3, h\u1ea7u h\u1ebft c\u00e1c v\u00ed c\u1ee9ng ph\u1ea3i s\u1eed d\u1ee5ng m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p thay th\u1ebf \u0111\u1ec3 x\u00e1c minh s\u1ed1 l\u01b0\u1ee3ng \u0111\u1ea7u v\u00e0o. V\u1ec1 c\u01a1 b\u1ea3n, thi\u1ebft b\u1ecb kh\u00f4ng ch\u1ec9 c\u1ea7n nh\u1eadp th\u00f4ng tin m\u00f4 t\u1ea3 giao d\u1ecbch m\u00e0 n\u00f3 s\u1ebd k\u00fd, m\u00e0 c\u00f2n c\u1ea7n nh\u1eadp<\/strong> l\u1ecbch s\u1eed c\u1ee7a t\u1eebng \u0111\u1ea7u v\u00e0o v\u00e0 ngu\u1ed3n g\u1ed1c c\u1ee7a n\u00f3<\/strong>.<\/span><\/p>\n

N\u00f3i c\u00e1ch kh\u00e1c, \u0111\u1ed1i v\u1edbi m\u1ed7i UTXO \u0111ang di chuy\u1ec3n, thi\u1ebft b\u1ecb s\u1ebd mu\u1ed1n ki\u1ec3m tra l\u1ea1i chi ti\u1ebft giao d\u1ecbch tr\u01b0\u1edbc \u0111\u00f3 \u0111\u00e3 t\u1ea1o ra UTXO. N\u1ebfu giao d\u1ecbch tr\u01b0\u1edbc \u0111\u00f3 ph\u1ee9c t\u1ea1p th\u00ec n\u00f3 s\u1ebd c\u1ea7n nh\u1eadp nhi\u1ec1u d\u1eef li\u1ec7u h\u01a1n v\u00e0 \u0111i\u1ec1u n\u00e0y s\u1ebd khi\u1ebfn t\u1ed1c \u0111\u1ed9 x\u1eed l\u00fd giao d\u1ecbch di\u1ec5n ra ch\u1eadm h\u01a1n.<\/strong><\/span><\/p>\n

\u0110\u1ed9 ph\u1ee9c t\u1ea1p c\u1ee7a giao d\u1ecbch c\u00e0ng cao – th\u1eddi gian k\u00fd c\u00e0ng ch\u1eadm<\/b><\/h3>\n

H\u1ea7u h\u1ebft m\u1ecdi ng\u01b0\u1eddi nh\u1eadn bitcoin v\u00e0o v\u00ed c\u1ee7a h\u1ecd th\u00f4ng qua 3 c\u00e1ch sau: T\u1eeb m\u1ed9t s\u00e0n giao d\u1ecbch, t\u1eeb m\u1ed9t nh\u00f3m khai th\u00e1c (mining pool) ho\u1eb7c tr\u1ef1c ti\u1ebfp t\u1eeb m\u1ed9t ng\u01b0\u1eddi kh\u00e1c trong giao d\u1ecbch ngang h\u00e0ng (peer-to-peer). Giao d\u1ecbch ngang h\u00e0ng th\u01b0\u1eddng c\u00f3 \u0111\u1ed9 ph\u1ee9c t\u1ea1p r\u1ea5t th\u1ea5p v\u00e0 k\u1ebft qu\u1ea3 l\u00e0 c\u00e1c UTXO s\u1ebd c\u00f3 signing mass t\u01b0\u01a1ng \u0111\u1ed1i nh\u1ecf.\u00a0<\/span><\/p>\n

Tuy nhi\u00ean, s\u00e0n giao d\u1ecbch v\u00e0 nh\u00f3m khai th\u00e1c th\u01b0\u1eddng ph\u00e2n ph\u1ed1i ti\u1ec1n theo \u0111\u1ee3t, g\u1eedi bitcoin<\/a> cho nhi\u1ec1u ng\u01b0\u1eddi c\u00f9ng m\u1ed9t l\u00fac v\u00e0 trong c\u00f9ng m\u1ed9t giao d\u1ecbch. C\u00e1c giao d\u1ecbch n\u00e0y ph\u1ee9c t\u1ea1p h\u01a1n v\u00e0 k\u1ebft qu\u1ea3 l\u00e0 c\u00e1c UTXO s\u1ebd c\u00f3 signing mass<\/strong> cao h\u01a1n.<\/span><\/p>\n

\"T\u1ed1c
T\u1ed1c \u0111\u1ed9 k\u00fd d\u1ef1a v\u00e0o kh\u1ed1i l\u01b0\u1ee3ng giao d\u1ecbch<\/figcaption><\/figure>\n

D\u01b0\u1edbi \u0111\u00e2y l\u00e0 nghi\u00ean c\u1ee9u xu h\u01b0\u1edbng ph\u00e2n ph\u1ed1i c\u1ee7a m\u1ed9t s\u1ed1 nh\u00f3m khai th\u00e1c v\u00e0 s\u00e0n giao d\u1ecbch ph\u1ed5 bi\u1ebfn t\u1ea1i M\u1ef9. S\u1ed1 l\u01b0\u1ee3ng \u0111\u1ea7u ra cho bi\u1ebft s\u1ed1 ng\u01b0\u1eddi nh\u1eadn bitcoin trong m\u1ed7i giao d\u1ecbch. S\u1ed1 l\u01b0\u1ee3ng cao h\u01a1n c\u00f3 ngh\u0129a l\u00e0 \u0111\u1ed9 ph\u1ee9c t\u1ea1p giao d\u1ecbch v\u00e0 ng\u01b0\u1eddi nh\u1eadn c\u00f3 kh\u1ed1i l\u01b0\u1ee3ng giao d\u1ecbch\u00a0l\u1edbn h\u01a1n.<\/span><\/p>\n

\"Nh\u1eefng
Nh\u1eefng con s\u1ed1 n\u00e0y l\u00e0 x\u1ea5p x\u1ec9 t\u1ea1i th\u1eddi \u0111i\u1ec3m vi\u1ebft b\u00e0i v\u00e0 c\u00f3 th\u1ec3 thay \u0111\u1ed5i<\/figcaption><\/figure>\n

L\u01b0u \u00fd r\u1eb1ng signing mass UTXO c\u1ee7a c\u00e1c nh\u00f3m khai th\u00e1c (mining pools) th\u01b0\u1eddng l\u1edbn h\u01a1n so v\u1edbi c\u00e1c s\u00e0n giao d\u1ecbch, v\u00e0 m\u1ed9t s\u1ed1 nh\u00f3m khai th\u00e1c nh\u01b0 F2Pool c\u00f3 signing mass UTXO c\u1ef1c k\u1ef3 l\u1edbn. Do \u0111\u00f3, n\u1ebfu b\u1ea1n nh\u1eadn \u0111\u01b0\u1ee3c m\u1ed9t UTXO tr\u1ef1c ti\u1ebfp t\u1eeb kho\u1ea3n thanh to\u00e1n F2Pool, th\u00ec UTXO \u0111\u00f3 c\u00f3 th\u1ec3 khi\u1ebfn m\u1ed9t s\u1ed1 v\u00ed ph\u1ea7n c\u1ee9ng g\u1eb7p kh\u00f3 kh\u0103n khi k\u00fd k\u1ebft giao d\u1ecbch.<\/span><\/em><\/p>\n

M\u1ed9t s\u1ed1 l\u01b0u \u00fd v\u1ec1 Segwit v\u00e0 m\u1ed9t s\u1ed1 l\u1ed7 h\u1ed5ng BIP 143<\/b><\/h2>\n

N\u0103m 2017, \u0111\u00e3 x\u1ea3y ra m\u1ed9t s\u1ef1 thay \u0111\u1ed5i trong qu\u00e1 tr\u00ecnh k\u00fd cho c\u00e1c giao d\u1ecbch SegWit. Y\u00eau c\u1ea7u \u0111\u01b0a ra l\u00e0 ph\u1ea3i c\u00f3 signing mass UTXO \u0111\u1ea7u v\u00e0o \u0111\u00e3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 k\u00fd giao d\u1ecbch m\u1edbi \u0111\u01b0\u1ee3c ph\u00ea duy\u1ec7t giao d\u1ecbch. Nh\u1edd \u0111\u00f3, b\u1ea5t k\u1ef3 h\u00e0nh vi l\u1eeba \u0111\u1ea3o n\u00e0o \u0111\u1ec3 l\u1ea5y ph\u00ed cao m\u1ed9t c\u00e1ch v\u00f4 l\u00fd s\u1ebd \u0111\u01b0\u1ee3c ng\u0103n ch\u1eb7n. H\u1ea7u h\u1ebft c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t v\u00ed ph\u1ea7n c\u1ee9ng \u0111\u00e3 th\u1ef1c hi\u1ec7n \u0111i\u1ec1u n\u00e0y b\u1eb1ng c\u00e1ch lo\u1ea1i b\u1ecf ki\u1ec3m tra an to\u00e0n c\u1ee7a s\u1ed1 ti\u1ec1n nh\u1eadp v\u00e0o v\u00e0 \u0111\u01a1n gi\u1ea3n h\u00f3a qu\u00e1 tr\u00ecnh k\u00fd cho c\u00e1c giao d\u1ecbch SegWit.<\/span><\/p>\n

Tuy nhi\u00ean, v\u00e0o gi\u1eefa n\u0103m 2020, m\u1ed9t l\u1ed7 h\u1ed5ng \u0111\u00e3 \u0111\u01b0\u1ee3c ph\u00e1t hi\u1ec7n trong BIP 143, khi\u1ebfn nhi\u1ec1u nh\u00e0 s\u1ea3n xu\u1ea5t v\u00ed ph\u1ea7n c\u1ee9ng quy\u1ebft \u0111\u1ecbnh t\u00e1i ki\u1ec3m tra an to\u00e0n s\u1ed1 ti\u1ec1n nh\u1eadp v\u00e0o cho c\u00e1c giao d\u1ecbch SegWit. T\u1ea1i th\u1eddi \u0111i\u1ec3m vi\u1ebft b\u00e0i, ki\u1ec3m tra an to\u00e0n s\u1ed1 ti\u1ec1n \u0111\u1ea7u v\u00e0o v\u1eabn l\u00e0 m\u1ed9t quy tr\u00ecnh b\u00ecnh th\u01b0\u1eddng trong qu\u00e1 tr\u00ecnh k\u00fd v\u00ed ph\u1ea7n c\u1ee9ng. C\u00f3 m\u1ed9t s\u1ed1 cu\u1ed9c th\u1ea3o lu\u1eadn trong c\u1ed9ng \u0111\u1ed3ng v\u1ec1 nh\u1eefng thay \u0111\u1ed5i trong t\u01b0\u01a1ng lai c\u00f3 th\u1ec3 lo\u1ea1i b\u1ecf hi\u1ec7u qu\u1ea3 h\u01a1n nhu c\u1ea7u ki\u1ec3m tra an to\u00e0n s\u1ed1 ti\u1ec1n \u0111\u1ea7u v\u00e0o, ch\u1eb3ng h\u1ea1n nh\u01b0 \u0111\u01b0a ra c\u00e1c kho\u1ea3n ph\u00ed r\u00f5 r\u00e0ng trong m\u1ed7i giao d\u1ecbch thay v\u00ec ng\u1ea7m \u0111\u1ecbnh<\/strong>.<\/span><\/p>\n

\"r\/Bitcoin
T\u1eebng c\u00f3 m\u1ed9t l\u1ed7 h\u1ed5ng \u0111\u01b0\u1ee3c ph\u00e1t hi\u1ec7n trong BIP 134<\/figcaption><\/figure>\n

L\u00e0m sao \u0111\u1ec3 t\u0103ng t\u1ed1c \u0111\u1ed9 k\u00fd giao d\u1ecbch c\u1ee7a UTXO?<\/strong><\/h2>\n

N\u1ebfu b\u1ea1n \u0111ang n\u1eafm gi\u1eef m\u1ed9t UTXO \u0111\u00e3 \u0111\u01b0\u1ee3c chuy\u1ec3n t\u1eeb m\u1ed9t v\u00ed kh\u00e1c ho\u1eb7c \u0111\u00e3 nh\u1eadn \u0111\u01b0\u1ee3c t\u1eeb m\u1ed9t giao d\u1ecbch ngang h\u00e0ng (peer-to-peer) th\u00ec \u0111\u00f3 l\u00e0 m\u1ed9t giao d\u1ecbch \u0111\u01a1n gi\u1ea3n. UTXO s\u1ebd \u00edt signing mass h\u01a1n v\u00e0 nhanh ch\u00f3ng \u0111\u01b0\u1ee3c ph\u00ea duy\u1ec7t khi k\u00fd giao d\u1ecbch trong t\u01b0\u01a1ng lai. Ng\u01b0\u1ee3c l\u1ea1i, n\u1ebfu b\u1ea1n nh\u1eadn \u0111\u01b0\u1ee3c m\u1ed9t UTXO tr\u1ef1c ti\u1ebfp t\u1eeb m\u1ed9t nh\u00f3m \u0111\u00e0o (mining pool), \u0111\u1eb7c bi\u1ec7t l\u00e0 nh\u00f3m \u0111\u00e0o c\u00f3 ph\u00e2n ph\u1ed1i r\u1ea5t l\u1edbn (nh\u01b0 \u0111\u01b0\u1ee3c th\u1ec3 hi\u1ec7n trong bi\u1ec3u \u0111\u1ed3 tr\u01b0\u1edbc \u0111\u00f3), b\u1ea1n c\u00f3 th\u1ec3 th\u1ea5y r\u1eb1ng UTXO \u0111\u00f3 s\u1ebd kh\u00f3 k\u00fd h\u01a1n.<\/span><\/p>\n

L\u00fac n\u00e0y, c\u00f3 2 c\u00e1ch \u0111\u1ec3 \u0111\u1ea9y nhanh t\u1ed1c \u0111\u1ed9 giao d\u1ecbch c\u1ee7a UTXO:<\/p>\n