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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：
' j" z5 {% b& ?& p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
4 p; Q; }* G9 p$ }0 G3 C
' d, G# \1 O- |/ |( U6 F0 q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、: Z3 P3 }- [) k. D# @
* i% O: l5 N" ?0 E7 e: ]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* j4 T8 O6 [7 K' k. n3 n
4 G5 J) k7 e% U( ]4 E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。
1 }) q/ _' i, c 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
% i3 E7 C& `& Z6 j$ G V" a
" G& S5 d3 C- ?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
+ `$ F: ~8 y, _" c; `
3 p' {: l+ V0 M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$ H; z0 R5 n4 [3 c+ h
$ g2 k2 X5 f' y4 V. T: R当局才能了解交易详情。% `3 k4 a& T1 g" T) z% F
( r+ k4 h$ N3 Z) F% x
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
3 Q7 _# H* N B. [3 W2 }) {. [; H7 z5 |# g$ N
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5 s F+ h0 j- M, g
7 w% t4 P; _* f/ f4 G& @
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。* k) W) X' f8 \, T5 Q% o$ d
# F- y/ i- U, @) c1 j. l) _8 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 @6 W9 x: V$ j4 r0 h9 j
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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% e/ C4 _* H+ J. D: j/ Y. b
2 i: k& f! X1 @8 s. K
（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8 q+ k4 P9 |: y; l d g
$ n7 {- C/ u0 `& Y" ~2 w4 W- n5 L4 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: _1 \+ m3 M: s7 _
* T+ b# I9 x [5 O' J
和业务）提供支持。& _, {/ n& G8 X. W z) w
! \, p9 @ o6 L! G( R1 J. k6 W0 i) Q. |/ m- m* D
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