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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：3 _/ x6 ]4 Y' H; S
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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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、
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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。5 ]- ~2 L" H6 G$ r
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3 O% X# P* v. `) l! A
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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
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5 i) b; y) @5 ]: e' s* T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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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
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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# \- m7 b; w. K/ g* K$ _, g
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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。6 I+ {. p3 h" _5 b, D7 c8 J
( V& I* y U1 B* T# J5 A$ L, p 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，
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, j3 S7 }: A2 ^5 P) |/ z/ h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
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: R9 R g- D) k: e8 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; t0 N( B, P1 T: N# l4 u
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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
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5 V/ w2 R6 ]3 W: \0 p- ^和业务）提供支持。6 k9 }0 F% D N, U& s
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