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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：+ s2 ^! z# G+ [6 a9 \ h: U
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
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8 d3 O* s2 {3 B% }; _/ W1 Y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、
4 F$ W0 k& P9 D* [) [" G! M
, C- ^( G8 T- w0 u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
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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 ?9 v6 J+ T# o; M- z0 A
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/ i" M3 T9 X+ J
/ ~' ]* Q& A1 c. g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
3 f9 s4 R" D/ s3 y F8 B" s8 R% Y! `/ K
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* X: G J2 d% ]) S7 e* e
+ ]" ?* o# r4 _' \当局才能了解交易详情。
5 L3 F; }8 h9 U9 h' Y `- h. u8 Z1 D! j
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" ^% Y+ g; L( P1 i2 P* i
( ]( L* M; ]5 J4 |6 H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
8 c% c$ [" i0 g g# g- {3 O ]
7 H6 Q8 m, p( x! R' S1 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。: f2 Q( \) @4 |4 h5 E# t
S& ?8 p7 R3 m# N
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，
! P9 \9 R, Q& Y+ I0 t) R0 o/ P# V) Z( x7 i" {
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. a3 X- q. O$ l2 c3 b# D% D
) w4 A5 x, w! u/ _3 P, m（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
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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
. T# g* F: `. }% f y' r9 E0 ~. R2 H; S5 h/ u) m0 R/ V5 Y1 W
和业务）提供支持。2 x& I* {' {# i8 y% |& R" s1 I
0 x- H X ?8 I; I% N6 V0 c6 y) \) D' d1 l7 U% ^7 L# d
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