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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：
! [9 h0 u/ d: {' Z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' \0 j9 _+ f$ c2 C
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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、0 Y/ U0 F# T) ]9 t
+ @$ w2 u, f8 {" c
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
5 s+ l, j0 y6 e( J* M8 c# Q
1 e2 a- \8 y( R" S! 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。
6 P% D. K; [( _# Y 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/ a& d5 B L- s" D7 |
8 I8 w& Y. O0 J/ W; C% H' ?. m
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5 M! |4 Y1 i2 e# J3 p
3 j* A5 l$ P! j( U/ U8 o1 e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' K* H7 e5 K; {9 Y
9 D3 `: b6 g) j7 x! o
当局才能了解交易详情。0 ]$ i1 n$ O. [" n: l0 x( f0 X p
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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# A+ _) J4 t, \6 j9 [1 U) k
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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
& N6 Q# p# L, @5 [( d5 x/ s
" \1 p( \5 ]; u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。- g* s, V: G) ~% S8 l2 e( v: ~
) D }$ D% N% K& v1 l% C. d" c1 y
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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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% ], X9 D% J5 z+ V* k
+ m3 E% }; k# z. ]0 X# E（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6 G4 [& H2 \: L/ Q
# @) U; d7 ~( ~' q- X! 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
9 ?$ N& [& c+ B+ n1 K$ M: J( L! n0 ?% a. ? r
和业务）提供支持。
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