{"id":22836,"date":"2026-09-25T03:42:09","date_gmt":"2026-09-25T03:42:09","guid":{"rendered":"https:\/\/cryptozen.asia\/vn\/de-xuat-shielded-bitcoin-nang-cao-su-rieng-tu-cho-bitcoin-l1\/"},"modified":"2026-09-25T03:42:09","modified_gmt":"2026-09-25T03:42:09","slug":"de-xuat-shielded-bitcoin-nang-cao-su-rieng-tu-cho-bitcoin-l1","status":"publish","type":"post","link":"https:\/\/cryptozen.asia\/vn\/de-xuat-shielded-bitcoin-nang-cao-su-rieng-tu-cho-bitcoin-l1\/","title":{"rendered":"\u0110\u1ec1 xu\u1ea5t Shielded Bitcoin: N\u00e2ng cao s\u1ef1 ri\u00eang t\u01b0 cho Bitcoin L1"},"content":{"rendered":"

Gi\u1edbi thi\u1ec7u v\u1ec1 Shielded Bitcoin<\/h2>\n

M\u1ed9t ph\u00f2ng th\u00ed nghi\u1ec7m m\u1eadt m\u00e3 \u1edf New York \u0111\u00e3 \u0111\u1ec1 xu\u1ea5t m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p giao d\u1ecbch ri\u00eang t\u01b0 t\u01b0\u01a1ng t\u1ef1 nh\u01b0 Zcash<\/strong> tr\u00ean Bitcoin<\/strong> m\u00e0 kh\u00f4ng c\u1ea7n thay \u0111\u1ed5i c\u1ea5u tr\u00fac c\u1ee7a Bitcoin. \u0110\u01b0\u1ee3c c\u00f4ng b\u1ed1 v\u00e0o th\u1ee9 N\u0103m b\u1edfi [[alloc] init]<\/em>, Shielded Bitcoin<\/strong> s\u1ebd \u1ea9n gi\u1ea5u s\u1ed1 ti\u1ec1n v\u00e0 c\u00e1c b\u00ean giao d\u1ecbch m\u00e0 kh\u00f4ng c\u1ea7n th\u1ef1c hi\u1ec7n m\u1ed9t soft fork, t\u1ea1o ra blockchain ri\u00eang, hay c\u1ea7n \u0111\u1ebfn m\u1ed9t nh\u00e0 \u0111i\u1ec1u h\u00e0nh \u0111\u00e1ng tin c\u1eady. Bitcoin s\u1ebd ch\u1ec9 l\u01b0u tr\u1eef v\u00e0 s\u1eafp x\u1ebfp d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c m\u00e3 h\u00f3a m\u00e0 n\u00f3 kh\u00f4ng th\u1ec3 hi\u1ec3u, trong khi ph\u1ea7n m\u1ec1m b\u00ean ngo\u00e0i s\u1ebd x\u00e1c minh c\u00e1c kho\u1ea3n thanh to\u00e1n.<\/p>\n

C\u00e1c v\u1ea5n \u0111\u1ec1 v\u1ec1 ri\u00eang t\u01b0 trong Bitcoin<\/h2>\n

C\u00f3 m\u1ed9t \u0111i\u1ec1u quan tr\u1ecdng c\u1ea7n l\u01b0u \u00fd: C\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u v\u1eabn ch\u01b0a ho\u00e0n thi\u1ec7n c\u01a1 ch\u1ebf \u0111\u1ec3 chuy\u1ec3n bitcoin v\u00e0o v\u00e0 ra kh\u1ecfi h\u1ec7 th\u1ed1ng ri\u00eang t\u01b0. L\u1ecbch s\u1eed giao d\u1ecbch c\u1ee7a Bitcoin n\u1ed5i ti\u1ebfng l\u00e0 c\u00f4ng khai. Khi g\u1eedi bitcoin (BTC), c\u00e1c kho\u1ea3n thanh to\u00e1n s\u1ebd \u0111\u01b0\u1ee3c ghi l\u1ea1i trong m\u1ed9t s\u1ed5 c\u00e1i m\u00e0 b\u1ea5t k\u1ef3 ai c\u0169ng c\u00f3 th\u1ec3 ki\u1ec3m tra, c\u00f3 th\u1ec3 l\u00e0 m\u00e3i m\u00e3i. Ph\u00f2ng th\u00ed nghi\u1ec7m New York [[alloc] init]<\/em> \u0111ang \u0111\u1ec1 xu\u1ea5t m\u1ed9t c\u00e1ch ti\u1ebfp c\u1eadn ng\u01b0\u1ee3c l\u1ea1i v\u1edbi tr\u1ef1c gi\u00e1c: Gi\u1eef nguy\u00ean c\u00e1c quy t\u1eafc c\u1ee7a Bitcoin v\u00e0 x\u00e2y d\u1ef1ng s\u1ef1 ri\u00eang t\u01b0 tr\u00ean n\u1ec1n t\u1ea3ng \u0111\u00f3.<\/p>\n

C\u01a1 ch\u1ebf ho\u1ea1t \u0111\u1ed9ng c\u1ee7a Shielded Bitcoin<\/h2>\n

Shielded Bitcoin<\/strong> s\u1eed d\u1ee5ng c\u00e1c ghi ch\u00fa \u0111\u01b0\u1ee3c m\u00e3 h\u00f3a v\u00e0 c\u00e1c ch\u1ee9ng minh kh\u00f4ng ki\u1ebfn th\u1ee9c (ZK) \u0111\u1ec3 che gi\u1ea5u s\u1ed1 ti\u1ec1n v\u00e0 c\u00e1c b\u00ean giao d\u1ecbch, trong khi Bitcoin v\u1eabn ho\u1ea1t \u0111\u1ed9ng nh\u01b0 m\u1ed9t b\u1ea3ng th\u00f4ng b\u00e1o c\u00f4ng khai. M\u1ea1ng l\u01b0\u1edbi s\u1ebd ghi l\u1ea1i c\u00e1c tin nh\u1eafn \u0111\u01b0\u1ee3c m\u00e3 h\u00f3a theo \u0111\u00fang th\u1ee9 t\u1ef1 m\u00e0 kh\u00f4ng bi\u1ebft ch\u00fang c\u00f3 ngh\u0129a g\u00ec. Kh\u00f4ng c\u1ea7n m\u1ed9t soft fork, v\u00e0 kh\u00f4ng c\u00f3 nh\u00e0 \u0111i\u1ec1u h\u00e0nh n\u00e0o quy\u1ebft \u0111\u1ecbnh giao d\u1ecbch ri\u00eang t\u01b0 n\u00e0o \u0111\u01b0\u1ee3c t\u00ednh. Bitcoin c\u00f3 th\u1ec3 s\u1ebd mang theo c\u00e1c kho\u1ea3n thanh to\u00e1n ri\u00eang t\u01b0 m\u00e0 ch\u00ednh n\u00f3 kh\u00f4ng th\u1ec3 \u0111\u1ecdc \u0111\u01b0\u1ee3c.<\/p>\n

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T\u00e0i li\u1ec7u tr\u1eafng mang t\u00ean “Shielded Bitcoin: Private Transfers on the Bitcoin L1” \u0111\u01b0\u1ee3c vi\u1ebft b\u1edfi Clara Shikhelman, Mikhail Komarov v\u00e0 Aleksei Moskvin.<\/p>\n<\/blockquote>\n

C\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u \u0111\u00e3 \u0111\u1eb7t c\u00e2u h\u1ecfi li\u1ec7u bitcoin c\u00f3 th\u1ec3 di chuy\u1ec3n m\u1ed9t c\u00e1ch ri\u00eang t\u01b0 b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng m\u1ea1ng l\u01b0\u1edbi hi\u1ec7n t\u1ea1i hay kh\u00f4ng. C\u00e2u tr\u1ea3 l\u1eddi c\u1ee7a h\u1ecd l\u00e0 m\u1ed9t metaprotocol<\/strong>, trong \u0111\u00f3 c\u00e1c quy t\u1eafc \u0111\u01b0\u1ee3c di\u1ec5n gi\u1ea3i b\u1edfi ph\u1ea7n m\u1ec1m \u0111\u1ed9c l\u1eadp thay v\u00ec s\u1ef1 \u0111\u1ed3ng thu\u1eadn c\u1ee7a Bitcoin. C\u00e1c ch\u01b0\u01a1ng tr\u00ecnh g\u1ecdi l\u00e0 indexers<\/strong> s\u1ebd qu\u00e9t Bitcoin \u0111\u1ec3 t\u00ecm d\u1eef li\u1ec7u Shielded Bitcoin, x\u00e1c minh c\u00e1c ch\u1ee9ng minh m\u1eadt m\u00e3 c\u1ee7a n\u00f3 v\u00e0 t\u00e1i t\u1ea1o l\u1ecbch s\u1eed c\u1ee7a h\u1ec7 th\u1ed1ng ri\u00eang t\u01b0. D\u1eef li\u1ec7u kh\u00f4ng h\u1ee3p l\u1ec7 v\u1eabn c\u00f3 th\u1ec3 xu\u1ea5t hi\u1ec7n tr\u00ean chu\u1ed7i v\u00ec Bitcoin kh\u00f4ng hi\u1ec3u metaprotocol. C\u00e1c indexers \u0111\u01a1n gi\u1ea3n s\u1ebd b\u1ecf qua n\u00f3. B\u1ea5t k\u1ef3 ai c\u0169ng c\u00f3 th\u1ec3 th\u1ef1c hi\u1ec7n l\u1ea1i c\u00e1c ki\u1ec3m tra \u0111\u00f3 b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng l\u1ecbch s\u1eed \u0111\u00e3 c\u00f4ng b\u1ed1 c\u1ee7a Bitcoin, c\u00f3 ngh\u0129a l\u00e0 kh\u00f4ng c\u00f3 indexer c\u1ee5 th\u1ec3 n\u00e0o quy\u1ebft \u0111\u1ecbnh c\u00e1i g\u00ec l\u00e0 h\u1ee3p l\u1ec7.<\/p>\n

Quy tr\u00ecnh giao d\u1ecbch v\u00e0 b\u1ea3o m\u1eadt<\/h2>\n

\u0110i\u1ec1u th\u00fa v\u1ecb l\u00e0 Bitcoin ti\u1ebfp t\u1ee5c th\u1ef1c hi\u1ec7n nh\u1eefng g\u00ec n\u00f3 \u0111\u00e3 l\u00e0m, trong khi m\u1ed9t b\u1ed9 quy t\u1eafc kh\u00e1c gi\u00fap hi\u1ec3u d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c ch\u1ecdn n\u1eb1m tr\u00ean \u0111\u00f3. Gi\u00e1 tr\u1ecb b\u00ean trong Shielded Bitcoin t\u1ed3n t\u1ea1i trong c\u00e1c b\u1ea3n ghi \u0111\u01b0\u1ee3c m\u00e3 h\u00f3a g\u1ecdi l\u00e0 ghi ch\u00fa. N\u1ebfu Alice tr\u1ea3 ti\u1ec1n cho Bob, c\u00f4 \u1ea5y s\u1ebd t\u1ea1o ra m\u1ed9t ghi ch\u00fa ch\u1ee9a s\u1ed1 ti\u1ec1n v\u00e0 th\u00f4ng tin nh\u1eadn c\u1ee7a Bob, sau \u0111\u00f3 m\u00e3 h\u00f3a n\u00f3 \u0111\u1ec3 Bob c\u00f3 th\u1ec3 x\u00e1c \u0111\u1ecbnh. Giao d\u1ecbch bitcoin c\u1ee7a c\u00f4 \u1ea5y s\u1ebd c\u00f4ng b\u1ed1 ghi ch\u00fa \u0111\u01b0\u1ee3c m\u00e3 h\u00f3a c\u00f9ng v\u1edbi m\u1ed9t s\u1ed1 s\u00ea-ri g\u1ecdi l\u00e0 nullifier<\/strong> v\u00e0 m\u1ed9t ch\u1ee9ng minh kh\u00f4ng ki\u1ebfn th\u1ee9c. Ch\u1ee9ng minh n\u00e0y x\u00e1c l\u1eadp r\u1eb1ng c\u00e1c ghi ch\u00fa c\u1ee7a Alice t\u1ed3n t\u1ea1i, c\u00f4 \u1ea5y c\u00f3 th\u1ec3 chi ti\u00eau ch\u00fang v\u00e0 gi\u00e1 tr\u1ecb \u0111i v\u00e0o b\u1eb1ng gi\u00e1 tr\u1ecb \u0111i ra m\u00e0 kh\u00f4ng ti\u1ebft l\u1ed9 ghi ch\u00fa n\u00e0o \u0111\u00e3 \u0111\u01b0\u1ee3c chi ti\u00eau ho\u1eb7c s\u1ed1 ti\u1ec1n c\u1ee7a ch\u00fang.<\/p>\n

C\u00e1c indexers s\u1ebd x\u00e1c minh ch\u1ee9ng minh v\u00e0 \u0111\u1ea3m b\u1ea3o r\u1eb1ng m\u1ed7i nullifier ch\u01b0a t\u1eebng xu\u1ea5t hi\u1ec7n tr\u01b0\u1edbc \u0111\u00f3. M\u1ed9t khi \u0111\u00e3 s\u1eed d\u1ee5ng, nullifier \u0111\u00f3 kh\u00f4ng th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng l\u1ea1i, ng\u0103n ch\u1eb7n vi\u1ec7c c\u00f9ng m\u1ed9t ghi ch\u00fa b\u1ecb chi ti\u00eau hai l\u1ea7n.<\/p>\n

Th\u00e1ch th\u1ee9c v\u00e0 tri\u1ec3n v\u1ecdng<\/h2>\n

V\u00ed c\u1ee7a Bob s\u1ebd qu\u00e9t c\u00e1c ghi ch\u00fa \u0111\u01b0\u1ee3c m\u00e3 h\u00f3a m\u1edbi cho \u0111\u1ebfn khi kh\u00f3a xem c\u1ee7a anh \u1ea5y m\u1edf m\u1ed9t c\u00e1i. Tr\u00ean chu\u1ed7i, c\u00f4ng ch\u00fang v\u1eabn th\u1ea5y r\u1eb1ng m\u1ed9t giao d\u1ecbch \u0111\u01b0\u1ee3c b\u1ea3o v\u1ec7 \u0111\u00e3 x\u1ea3y ra, th\u1eddi gian c\u1ee7a n\u00f3, s\u1ed1 l\u01b0\u1ee3ng ghi ch\u00fa li\u00ean quan, ph\u00ed c\u1ee7a n\u00f3 v\u00e0 giao d\u1ecbch bitcoin mang theo n\u00f3. Nh\u1eefng g\u00ec bi\u1ebfn m\u1ea5t l\u00e0 s\u1ed1 ti\u1ec1n, ng\u01b0\u1eddi g\u1eedi v\u00e0 ng\u01b0\u1eddi nh\u1eadn \u0111\u01b0\u1ee3c b\u1ea3o v\u1ec7, c\u00f9ng v\u1edbi m\u1ed1i li\u00ean h\u1ec7 v\u1edbi c\u00e1c ghi ch\u00fa \u0111\u00e3 \u0111\u01b0\u1ee3c chi ti\u00eau tr\u01b0\u1edbc \u0111\u00f3.<\/p>\n

S\u1ef1 ri\u00eang t\u01b0 c\u0169ng t\u1ed1n kh\u00f4ng gian kh\u1ed1i. Komarov \u0111\u00e3 n\u00f3i v\u1edbi nh\u00e0 b\u00e1o Laura Shin trong m\u1ed9t cu\u1ed9c ph\u1ecfng v\u1ea5n r\u1eb1ng m\u1ed9t t\u1ea3i tr\u1ecdng \u0111\u01b0\u1ee3c b\u1ea3o v\u1ec7 kho\u1ea3ng 700 vbytes so v\u1edbi kho\u1ea3ng 100 \u0111\u1ebfn 200 cho m\u1ed9t kho\u1ea3n thanh to\u00e1n Bitcoin \u0111i\u1ec3n h\u00ecnh, khi\u1ebfn n\u00f3 l\u1edbn h\u01a1n kho\u1ea3ng b\u1ed1n l\u1ea7n. Komarov g\u1ecdi chi ph\u00ed b\u1ed5 sung n\u00e0y l\u00e0 “kh\u00f4ng th\u1ea3m kh\u1ed1c.” Nhi\u1ec1u ng\u01b0\u1eddi d\u00f9ng h\u01a1n, trong khi \u0111\u00f3, s\u1ebd c\u1ee7ng c\u1ed1 t\u1eadp h\u1ee3p \u1ea9n danh b\u1eb1ng c\u00e1ch cho c\u00e1c kho\u1ea3n thanh to\u00e1n c\u00e1 nh\u00e2n m\u1ed9t \u0111\u00e1m \u0111\u00f4ng l\u1edbn h\u01a1n \u0111\u1ec3 bi\u1ebfn m\u1ea5t v\u00e0o.<\/p>\n

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\u0110i\u1ec1u quan tr\u1ecdng l\u00e0 t\u00e0i li\u1ec7u tr\u1eafng ng\u00e0y 24 th\u00e1ng 9 m\u00f4 t\u1ea3 c\u00e1c giao d\u1ecbch sau khi bitcoin \u0111\u00e3 \u1edf trong h\u1ec7 th\u1ed1ng \u0111\u01b0\u1ee3c b\u1ea3o v\u1ec7.<\/p>\n<\/blockquote>\n

Vi\u1ec7c \u0111\u01b0a bitcoin v\u00e0o v\u00e0 ra s\u1ebd \u0111\u01b0\u1ee3c \u0111\u1ec3 l\u1ea1i cho m\u1ed9t t\u00e0i li\u1ec7u tr\u1eafng b\u1ed5 sung d\u1ef1a tr\u00ean nghi\u00ean c\u1ee9u Bitcoin PIPEs v2 c\u1ee7a [[alloc] init]<\/em> v\u00e0 m\u00e3 h\u00f3a ch\u1ee9ng ki\u1ebfn. H\u1ec7 th\u1ed1ng d\u1ef1 ki\u1ebfn s\u1ebd m\u00e3 h\u00f3a m\u1ed9t kh\u00f3a ri\u00eang BTC cho \u0111\u1ebfn khi ai \u0111\u00f3 cung c\u1ea5p ch\u1ee9ng minh c\u1ea7n thi\u1ebft, trong khi m\u1ea1ng Bitcoin cu\u1ed1i c\u00f9ng th\u1ea5y m\u1ed9t giao d\u1ecbch Schnorr th\u00f4ng th\u01b0\u1eddng. [[alloc] init]<\/em> cho bi\u1ebft h\u1ecd s\u1ebd kh\u00f4ng bao gi\u1edd qu\u1ea3n l\u00fd qu\u1ef9 c\u1ee7a ng\u01b0\u1eddi d\u00f9ng, ngay c\u1ea3 \u1edf ranh gi\u1edbi. Nh\u01b0ng m\u00e3 h\u00f3a ch\u1ee9ng ki\u1ebfn l\u00e0 c\u00f4ng ngh\u1ec7 c\u00f2n non tr\u1ebb. Komarov cho bi\u1ebft c\u00e1c ciphertext c\u1ee7a n\u00f3 \u0111\u00e3 gi\u1ea3m t\u1eeb kho\u1ea3ng 300 terabytes xu\u1ed1ng kho\u1ea3ng 8 terabytes trong m\u1ed9t n\u0103m. \u0110\u00f3 l\u00e0 m\u1ed9t ti\u1ebfn b\u1ed9 kh\u1ed5ng l\u1ed3, nh\u01b0ng t\u00e1m terabytes v\u1eabn l\u00e0 t\u00e1m terabytes. “N\u00f3 v\u1eabn c\u00f2n kh\u00e1 th\u1eed nghi\u1ec7m,” Komarov gi\u1ea3i th\u00edch. Vi\u1ec7c v\u00e0o v\u00e0 ra c\u0169ng c\u00f3 th\u1ec3 ti\u1ebft l\u1ed9 s\u1ed1 ti\u1ec1n v\u00e0 th\u1eddi gian, gi\u00fap ng\u01b0\u1eddi quan s\u00e1t li\u00ean k\u1ebft ho\u1ea1t \u0111\u1ed9ng b\u00ean ngo\u00e0i Bitcoin v\u1edbi c\u00e1c giao d\u1ecbch \u0111\u01b0\u1ee3c b\u1ea3o v\u1ec7.<\/p>\n

Ph\u1ea3n \u1ee9ng v\u00e0 t\u01b0\u01a1ng lai c\u1ee7a Shielded Bitcoin<\/h2>\n

Ph\u00f2ng th\u00ed nghi\u1ec7m \u0111\u00e3 t\u1ed5 ch\u1ee9c c\u00e1c th\u1eed th\u00e1ch c\u00f4ng khai t\u1eeb th\u00e1ng 5, nh\u01b0ng ch\u01b0a c\u00f3 ng\u00e0y ra m\u1eaft. Cho \u0111\u1ebfn khi c\u00e1nh c\u1eeda ho\u1ea1t \u0111\u1ed9ng, Shielded Bitcoin v\u1eabn ch\u1ec9 l\u00e0 nghi\u00ean c\u1ee9u ch\u1ee9 kh\u00f4ng ph\u1ea3i l\u00e0 m\u1ed9t h\u1ec7 th\u1ed1ng ri\u00eang t\u01b0 c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng.<\/p>\n

\u1ea2nh h\u01b0\u1edfng c\u1ee7a Zcash l\u00e0 r\u00f5 r\u00e0ng. Zcash \u0111\u00e3 s\u1eed d\u1ee5ng c\u00e1c ghi ch\u00fa \u0111\u01b0\u1ee3c m\u00e3 h\u00f3a, nullifiers v\u00e0 c\u00e1c ch\u1ee9ng minh kh\u00f4ng ki\u1ebfn th\u1ee9c, trong khi Shielded Bitcoin vay m\u01b0\u1ee3n ki\u1ebfn tr\u00fac \u0111\u00f3 m\u00e0 kh\u00f4ng t\u1ea1o ra m\u1ed9t blockchain kh\u00e1c. C\u00f4ng ty c\u00f4ng khai Cypherpunk g\u1ecdi Shielded Bitcoin l\u00e0 “m\u1ed9t b\u01b0\u1edbc ti\u1ebfn l\u1edbn” v\u00e0 nh\u1eadn x\u00e9t th\u00eam r\u1eb1ng nhi\u1ec1u s\u1ef1 ri\u00eang t\u01b0 h\u01a1n tr\u00ean Bitcoin c\u00f3 l\u1ee3i cho t\u1ea5t c\u1ea3 m\u1ecdi ng\u01b0\u1eddi. Tuy nhi\u00ean, Cypherpunk c\u0169ng l\u1eadp lu\u1eadn r\u1eb1ng thi\u1ebft k\u1ebf n\u00e0y v\u1eabn ch\u01b0a ph\u1ea3i l\u00e0 m\u1ed9t \u0111\u1ed1i th\u1ee7 c\u1ea1nh tranh cho chu\u1ed7i Zcash.<\/p>\n

C\u00f4ng ty \u0111\u00e3 ch\u1ec9 ra thi\u1ebft l\u1eadp \u0111\u00e1ng tin c\u1eady c\u1ee7a n\u00f3, thi\u1ebfu s\u1ef1 th\u1ef1c thi \u0111\u1ed3ng thu\u1eadn v\u00e0 c\u00e1c kh\u00e1ch h\u00e0ng nh\u1eb9 kh\u00f4ng c\u1ea7n tin c\u1eady, m\u1ed9t c\u00e2y c\u1ea7u ch\u01b0a ho\u00e0n th\u00e0nh, v\u00e0 ph\u00ed Bitcoin L1, \u0111\u1ed3ng th\u1eddi l\u01b0u \u00fd r\u1eb1ng Zcash \u0111\u00e3 c\u00f3 g\u1ea7n 10 n\u0103m ho\u1ea1t \u0111\u1ed9ng v\u00e0 m\u1ed9t pool \u0111\u01b0\u1ee3c b\u1ea3o v\u1ec7 tr\u1ecb gi\u00e1 h\u01a1n 7 t\u1ef7 \u0111\u00f4 la. “S\u1ef1 ri\u00eang t\u01b0 t\u00e0i ch\u00ednh kh\u00f4ng ph\u1ea3i l\u00e0 m\u1ed9t tr\u00f2 ch\u01a1i t\u1ed5ng b\u1eb1ng kh\u00f4ng,” Cypherpunk k\u1ebft lu\u1eadn.<\/p>\n

C\u00e1c ph\u1ea3n \u1ee9ng tr\u00ean X nhanh ch\u00f3ng tr\u1edf n\u00ean k\u00e9m ngo\u1ea1i giao h\u01a1n. Joe Burnett vi\u1ebft “zcash v\u1ec1 0,” trong khi Daniel Buchner, gi\u00e1m \u0111\u1ed1c s\u1ea3n ph\u1ea9m v\u00e0 gi\u00e1m \u0111\u1ed1c t\u00e0i s\u1ea3n k\u1ef9 thu\u1eadt s\u1ed1 t\u1ea1i Proof, chia s\u1ebb \u00fd ki\u1ebfn c\u1ee7a m\u00ecnh r\u1eb1ng: “S\u1ed1 l\u01b0\u1ee3ng ng\u01b0\u1eddi h\u00e2m m\u1ed9 privacycoin \u0111ang c\u00f3 nh\u1eefng c\u01a1n co gi\u1eadt do s\u1ef1 suy ngh\u0129 r\u1eb1ng c\u1ed9ng \u0111\u1ed3ng Bitcoin \u0111ang ti\u1ebfn b\u1ed9 theo h\u01b0\u1edbng giao d\u1ecbch ri\u00eang t\u01b0, c\u00f3 kh\u1ea3 n\u0103ng l\u00e0m cho c\u00e1c c\u00e2u chuy\u1ec7n c\u1ee7a c\u00e1c chu\u1ed7i ri\u00eang t\u01b0 m\u1ed9t l\u1ea7n tr\u1edf n\u00ean kh\u00f4ng c\u00f2n gi\u00e1 tr\u1ecb, \u0111ang \u0111\u1ea1t \u0111\u1ebfn m\u1ee9c decibel m\u00e0 t\u1ed5n th\u01b0\u01a1ng tai \u0111ang tr\u1edf th\u00e0nh m\u1ed1i quan t\u00e2m.” Sam Callahan, gi\u00e1m \u0111\u1ed1c chi\u1ebfn l\u01b0\u1ee3c v\u00e0 nghi\u00ean c\u1ee9u t\u1ea1i OranjeBTC, \u0111\u00e3 \u0111\u01b0a ra m\u1ed9t l\u1eadp lu\u1eadn r\u1ed9ng h\u01a1n. “M\u1ecdi ng\u01b0\u1eddi v\u1eabn hi\u1ec3u sai v\u1ec1 r\u00e0o c\u1ea3n c\u1ee7a Bitcoin. Bitcoin kh\u00f4ng c\u1ea7n ph\u1ea3i th\u1eafng trong m\u1ecdi cu\u1ed9c \u0111ua t\u00ednh n\u0103ng. S\u1ef1 ri\u00eang t\u01b0, t\u1ed1c \u0111\u1ed9 v\u00e0 ch\u1ee9c n\u0103ng c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c x\u00e2y d\u1ef1ng theo th\u1eddi gian. R\u00e0o c\u1ea3n l\u00e0 s\u1ef1 ph\u00e2n c\u1ea5p, an ninh v\u00e0 ch\u00ednh s\u00e1ch ti\u1ec1n t\u1ec7 \u0111\u00e1ng tin c\u1eady. V\u00e0 tr\u00ean nh\u1eefng kh\u00eda c\u1ea1nh \u0111\u00f3, kh\u00f4ng c\u00f3 g\u00ec kh\u00e1c g\u1ea7n g\u0169i.”<\/p>\n

T\u00e0i kho\u1ea3n X Rune \u0111\u00e3 \u0111\u01b0a cu\u1ed9c c\u1ea1nh tranh gi\u1eefa c\u00e1c \u0111\u1ed3ng ti\u1ec1n ri\u00eang t\u01b0 tr\u1edf l\u1ea1i th\u1ef1c t\u1ebf v\u1edbi m\u1ed9t tham chi\u1ebfu \u0111\u1ebfn v\u1ee5 hack Bitget v\u00e0 Monero (XMR), vi\u1ebft tr\u00ean X, “C\u00e1c ch\u1ee7 s\u1edf h\u1eefu ZEC c\u1ea7u nguy\u1ec7n r\u1eb1ng k\u1ebb t\u1ea5n c\u00f4ng Bitget s\u1eed d\u1ee5ng Zcash \u0111\u1ec3 \u1ea9n d\u1ea5u v\u1ebft… nh\u01b0ng v\u00ec l\u00fd do n\u00e0o \u0111\u00f3 k\u1ebb t\u1ea5n c\u00f4ng \u0111ang s\u1eed d\u1ee5ng XMR.” \u0110\u1eb1ng sau nh\u1eefng l\u1eddi n\u00f3i ch\u00e2m bi\u1ebfm l\u00e0 m\u1ed9t cu\u1ed9c tranh lu\u1eadn k\u1ef9 thu\u1eadt th\u1ef1c s\u1ef1 v\u1ec1 vi\u1ec7c li\u1ec7u blockchain Bitcoin c\u00f3 th\u1ec3 c\u00f3 \u0111\u01b0\u1ee3c s\u1ef1 ri\u00eang t\u01b0 m\u1ea1nh m\u1ebd h\u01a1n m\u00e0 kh\u00f4ng thay \u0111\u1ed5i c\u00e1c quy t\u1eafc c\u01a1 b\u1ea3n c\u1ee7a n\u00f3 hay kh\u00f4ng.<\/p>\n

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

Kh\u00e1c v\u1edbi t\u00e0i li\u1ec7u tr\u1eafng c\u1ee7a Satoshi, Shielded Bitcoin l\u00e0 m\u1ed9t th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt, kh\u00f4ng ph\u1ea3i l\u00e0 m\u1ed9t s\u1ea3n ph\u1ea9m. Vi\u1ec7c gh\u00e9p n\u1ed1i v\u1eabn ch\u01b0a ho\u00e0n th\u00e0nh, m\u00e3 h\u00f3a ch\u1ee9ng ki\u1ebfn c\u00f2n \u0111ang th\u1eed nghi\u1ec7m, ph\u00ed c\u00f3 th\u1ec3 r\u00f2 r\u1ec9 th\u00f4ng tin, v\u00ed c\u1ea7n tr\u1edf n\u00ean th\u1ef1c ti\u1ec5n v\u00e0 s\u1ef1 ri\u00eang t\u01b0 ch\u1ec9 c\u1ea3i thi\u1ec7n khi c\u00f3 \u0111\u1ee7 ng\u01b0\u1eddi d\u00f9ng tham gia. Thi\u1ebft k\u1ebf ch\u1ee9ng minh Groth16 hi\u1ec7n t\u1ea1i c\u0169ng y\u00eau c\u1ea7u m\u1ed9t thi\u1ebft l\u1eadp \u0111\u00e1ng tin c\u1eady m\u1ed9t l\u1ea7n. Shikhelman \u0111\u00e3 \u0111\u01b0\u1ee3c l\u00ean l\u1ecbch \u0111\u1ec3 tr\u00ecnh b\u00e0y nghi\u00ean c\u1ee9u t\u1ea1i BitDevs NYC v\u00e0o ng\u00e0y 24 th\u00e1ng 9 khi [[alloc] init]<\/em> t\u00ecm ki\u1ebfm ph\u1ea3n h\u1ed3i tr\u01b0\u1edbc t\u00e0i li\u1ec7u tr\u1eafng b\u1ed5 sung c\u1ee7a m\u00ecnh v\u1ec1 vi\u1ec7c v\u00e0o v\u00e0 ra. C\u00e1ch ti\u1ebfp c\u1eadn ti\u1ebfp theo s\u1ebd x\u00e1c \u0111\u1ecbnh li\u1ec7u h\u1ec7 th\u1ed1ng ri\u00eang t\u01b0 \u0111\u01b0\u1ee3c m\u00f4 t\u1ea3 tr\u00ean gi\u1ea5y c\u00f3 th\u1ec3 k\u1ebft n\u1ed1i an to\u00e0n v\u1edbi bitcoin th\u1ef1c t\u1ebf hay kh\u00f4ng. Hi\u1ec7n t\u1ea1i, \u00fd t\u01b0\u1edfng n\u00e0y th\u1eadt s\u1ef1 ng\u01b0\u1ee3c l\u1ea1i v\u1edbi tr\u1ef1c gi\u00e1c. [[alloc] init]<\/em> mu\u1ed1n Bitcoin ghi l\u1ea1i ho\u1ea1t \u0111\u1ed9ng t\u00e0i ch\u00ednh ri\u00eang t\u01b0 m\u00e0 kh\u00f4ng thay \u0111\u1ed5i Bitcoin ho\u1eb7c y\u00eau c\u1ea7u m\u1ea1ng l\u01b0\u1edbi hi\u1ec3u nh\u1eefng g\u00ec n\u00f3 \u0111ang ghi l\u1ea1i. N\u1ebfu c\u00e1c ph\u1ea7n ch\u01b0a ho\u00e0n th\u00e0nh ho\u1ea1t \u0111\u1ed9ng, Bitcoin c\u00f3 th\u1ec3 b\u1ea3o t\u1ed3n c\u00e1c giao d\u1ecbch m\u00e3i m\u00e3i trong khi v\u1eabn m\u00f9 qu\u00e1ng v\u1edbi s\u1ed1 ti\u1ec1n v\u00e0 c\u00e1c b\u00ean giao d\u1ecbch \u0111\u00e3 khi\u1ebfn nh\u1eefng giao d\u1ecbch \u0111\u00f3 \u0111\u00e1ng \u0111\u1ec3 \u1ea9n gi\u1ea5u ngay t\u1eeb \u0111\u1ea7u.<\/p>\n","protected":false},"excerpt":{"rendered":"

Gi\u1edbi thi\u1ec7u v\u1ec1 Shielded Bitcoin M\u1ed9t ph\u00f2ng th\u00ed nghi\u1ec7m m\u1eadt m\u00e3 \u1edf New York \u0111\u00e3 \u0111\u1ec1 xu\u1ea5t m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p giao d\u1ecbch ri\u00eang t\u01b0 t\u01b0\u01a1ng t\u1ef1 nh\u01b0 Zcash tr\u00ean Bitcoin m\u00e0 kh\u00f4ng c\u1ea7n thay \u0111\u1ed5i c\u1ea5u tr\u00fac c\u1ee7a Bitcoin. \u0110\u01b0\u1ee3c c\u00f4ng b\u1ed1 v\u00e0o th\u1ee9 N\u0103m b\u1edfi…<\/p>\n","protected":false},"author":3,"featured_media":22835,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[42],"tags":[12787,4225,9416,11457,4579,9464],"class_list":["post-22836","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-bitcoin","tag-alice","tag-bitcoin","tag-bob","tag-laura-shin","tag-new-york","tag-zcash"],"yoast_head":"\n\u0110\u1ec1 xu\u1ea5t Shielded Bitcoin: N\u00e2ng cao s\u1ef1 ri\u00eang t\u01b0 cho 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