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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：0 {6 E) h. @7 `/ N! t5 i; Q
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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0 A' r) r. t* o; g' h# F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、( V6 {0 K" T+ B! @
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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& M* u7 c5 H/ E7 H& k- h
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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。
# l3 |6 s3 Y* M! b7 v+ w* 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
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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" t. u8 j3 T: R3 u+ d- L6 u
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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) J3 o- k$ Z, t3 j
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当局才能了解交易详情。# V0 ^+ M2 o2 j9 n8 o
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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1 |: P8 Q6 b3 p ~& c" B
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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
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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。8 s0 Z) d( _$ z+ V# o! v
& w: ^3 d, k) s( I# S1 t 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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# E1 V- L$ k" I6 ?% y2 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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' c' a7 j2 ^$ B（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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. Q |9 K7 E. Q+ D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4 w D: d: r( k. l5 `
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和业务）提供支持。1 S- `/ z g4 ?8 {9 i( {+ \4 H
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