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[虚拟币交流]
穆长春：货币桥区块链是货币桥技术架构核心，底层采用大圣共识（转）
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“我们为货币桥平台搭建了一套技术系统，其核心是一个专门为货币桥开发的区块链：5 P6 D0 ~4 }8 y! s) a
货币桥区块链。”11月2日，天朝人民银行数字货币研究所穆长春在香港科技周货币桥座谈9 C- M" M8 Q9 p# x g
3 T) u( q4 y L8 w N9 P
会上表示，货币桥区块链是货币桥技术架构的核心，支持原子化支付和外汇同步交收业务、
& K8 ^$ ^! N" k* o. p; k& f* e2 k8 `, X. K
钱包管理和隐私保护控制等。其底层的货币桥区块链采用了一种拜占庭容错算法——大圣8 C8 y" ?- P% h* L' D- [9 ?3 B: Q
3 A# v3 }6 ^* B; S# q; X2 K
共识，旨在缩短节点间达成共识所需的时间，提高整体协议性能及效率。6 D' ^6 K- K0 Y; Z; u
会上，穆长春还介绍了货币桥的隐私架构设计。货币桥平台实现了对付款方和收款方
6 Q. D0 o/ j; P; S$ |5 C' C& w* l I+ i) S, j
身份、交易金额、调用的CBDC合约等核心交易数据的隐私控制。通过由随机生成的密钥对
( |4 T( N0 s/ n# t" M- U, A8 B6 U0 L7 W2 q* d
实现的假名机制，货币桥平台确保对于单笔跨境交易，只有交易对手方及对应的央行/货币
& F5 @% G1 ^; t( W4 t& ~( r
4 ]2 ?1 y/ a9 d6 C% H当局才能了解交易详情。/ g) a9 I8 f* f4 E# Q
) R5 h, T, T$ D1 |4 Y) l 去年，天朝人民银行数字货币研究所（下称“数研所”）联合清华大学公开发布了可解决8 ~, p8 K( Y) ?8 {1 g- Z
! ?2 V- K5 E7 G+ M) U1 u' L; i
共识算法四方难题的区块链大圣（DASHING）协议。经过一年多的发展，大圣协议已在多边
6 t2 y- P/ v8 L) _; p" ~. `& M7 ?/ q
央行数字货币桥项目、央行贸易金融区块链平台等金融基础设施上落地应用。% h+ @: U' K. x
5 C6 Q6 \# A8 I0 u 多边央行数字货币桥项目旨在尝试利用基于分布式账本技术(DLT)的公共平台进行跨境支付，
0 @$ n1 W' R3 s0 o) d
; p/ |1 d$ T6 W& g+ n' O. G- x+ G3 `多家央行可在该平台上发行和交换各自的央行数字货币。该项目由香港金管局、国际清算银行/ V2 e6 S% u1 T( w& O8 k
) \( U g* l2 s# p
（香港）创新中心、泰国中央银行、天朝人民银行数字货币研究所，以及阿联酋中央银行组成
: a9 e) D# { \& ]" n" A
7 ~ Z4 u- L! A' X+ n项目指导委员会，由国际清算银行（香港）创新中心带领，四个小组委员会（技术、法律、政策6 g; o Q4 R- W* U- T F
9 l2 D4 H! y% ?: m: P& I和业务）提供支持。
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% f) m7 q, e7 s# w: T9 P6 c3 [6 o N! o H) G
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