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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 U/ }2 O1 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
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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、$ ?+ S0 ~, _( j4 t" w8 N8 _& P
; d/ o1 x/ V- x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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8 x" m( Q; O- u+ Z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。
2 H. K* ?' T6 V" _ N 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
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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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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
: Y( f. z7 D& @( C1 g$ u
0 M6 ^% Z' P1 H# w/ b% N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 \& k8 q0 q& h* T, V( }* ]
& K; c" X; e3 f9 ~ Y# s! `7 w
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。- G4 {. `: S n& `
6 x; j. o) R' { O0 n7 M& D8 i
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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# g# f& d7 _0 r' d+ T7 _# w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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（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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1 d, T q) J5 g5 F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
2 e' d- O+ c, C! m. f* R+ [' E! Y5 i8 E+ U: e
和业务）提供支持。
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