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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：
\( q) P% Y3 A" B7 B1 z+ |. y; V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 P+ q* U: P+ L% z
9 v* H7 ~3 L: d2 A2 v7 \, v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。
4 m( d( n! X7 M; A9 Q 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2 a8 K- n0 t: \% k
1 S8 |1 v; |) E0 w7 q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0 v9 m$ i$ H. L; q6 s/ ~
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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5 c% _0 v3 t$ Y1 w: U/ u |* g
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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
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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。
+ E% J* I. D8 I: \# o3 h) S/ I( z0 d' x
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，% a* Y5 {- D6 G4 X8 a% f \7 ^
* k8 D* n0 S: X8 K8 ]1 p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4 J; W! Q( j. d8 v$ K8 W3 Q
4 B* g! H4 q! _3 U! q3 A2 z9 T（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1 D, _" ]# r( R; k* Y' z" Z
; D4 A- F5 R" W% ]
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* q9 w+ ^. W% y O2 l( H2 Q4 S
- T+ W3 H0 {- O2 J9 a
和业务）提供支持。! E4 w6 T0 t3 s' w: x! g
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