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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：
4 x" \; Z+ X0 p$ V% x( W1 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、+ F6 ^- H( i% ?+ l) C' M; g
6 i2 z; h9 o8 w% \' @8 L# W' H- V( l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( ^. }$ @0 H$ T) t
9 C0 \0 T, \4 P
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。' c8 B9 R: z( d
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
# {$ E8 Q2 i9 [( p3 `: @' N m# H
8 ~) u2 r/ S7 I( ~# S n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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~# y- f- v: x6 r9 y/ E, w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; N3 c6 R6 ]- t7 T& c" T
9 i1 \0 _' ]% \" r
当局才能了解交易详情。3 A* o3 q8 H) o* }
9 X% k. E) f1 Y* ^: Q' n( g$ e5 b
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9 Z# I" f8 B5 V8 S# @
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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
: O- l$ b8 ?$ l& F+ r. u
2 l8 n: u8 o1 ?& H# A1 f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 e$ w) ^' }8 r& ^" f6 F2 [
/ k" d$ Y6 Q. a8 r8 @, R 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$ N& U1 v$ j$ t
* o* t+ `/ d9 N6 M9 {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" f4 R" `2 ^8 ?% F5 S
& R. M N3 ^/ C4 f
（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
$ H% j b+ n/ J; P1 I! a5 f* Y: ^0 V& N& ]6 m6 a
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7 R" _2 b4 ?; M9 E0 ] j* V% c
4 T% e4 ~3 R# J8 @7 m和业务）提供支持。
' J. \$ L' t. x/ |! o1 o) W6 x+ g. t" o5 u) r) Y! r* E# f$ ]
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