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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：
. X- ]' F" G( ]6 n% T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
2 f' S, K* D# B2 Z. ?$ y- K6 u0 | U5 R) Z: S5 @' v
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、! N1 @7 f. I$ u& j# C, w/ d+ Z
3 d' }& C2 k9 y5 C2 e3 B6 {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% S7 X# Z1 u8 l* F/ w2 j% w$ _
3 `8 J3 u# N3 |5 `. V; J. k" q6 J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。
" W4 g8 E9 T+ @2 t$ h 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5 `9 y4 l3 A# N/ p; N _
, |/ a- \( n% U5 B9 D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 L9 f0 _: s! @- N2 V
9 \& A- `4 _6 z4 \ [. W/ C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
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当局才能了解交易详情。
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* n+ @2 O7 U; E' Q 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 p e5 J& w! M& C8 r$ V
, }* }0 K- J/ D* P. _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
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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。1 C/ z3 _- Q+ I$ ^& c# e2 `9 n' \% t
2 ]3 L ?' B# d$ v 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，4 ~% _- W7 K; U* A# z
) B5 [2 i' F ]0 s: q" E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" n! x. [0 V2 j6 c
9 N; Y, m; v' J9 s- l（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6 m2 L9 l+ W% P4 D2 U" Q
2 \* a& {5 I, @" l% L
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, Z+ l( N) f- R5 Z
) J9 g4 C& {' [! Q( y和业务）提供支持。
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