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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：: D, u/ \5 K" \- q ~, C6 ?
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/ r" G. ]7 o' N h4 w
$ s/ M# O# U# O3 G& Y- R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、0 R3 l* G" O! g' z: [
! j! g. H9 \2 M$ c! v h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
" [( c$ h- u+ S6 p2 W1 u) W& g* r7 [1 i l) v+ Y! L7 l
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 V1 g; e: [+ T: X! }
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 x* C2 G- w4 t6 T( }1 x) o
+ O6 f. k3 S9 `: f9 l; A, e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& s: g/ d! c) g! ~7 n: @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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. ^, d5 ?3 N& E! a7 W9 G, R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( N; J/ b, l0 p7 D K5 u9 }- v
, w8 b/ }7 W0 P x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。
# }# J7 V( h9 s/ b! k/ g' f! B3 z+ P3 h3 }& }3 Q' Z( L" A
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，1 J8 d0 A, b2 A+ B# R+ H1 z
" J D% Z0 [6 J3 q: [2 b 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
3 j7 n3 ?+ a, S: Q. o% P0 U3 ~) [* q$ t$ f: K" 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% t7 y( M: i; [
( s, Q2 f% d' m% s$ P9 m1 M1 d8 _
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" p: d) n0 R, U
# A* ]; R; B0 [* r9 S) _2 f A
和业务）提供支持。
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