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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：
5 j6 E+ X& c5 b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 x, [: P: E2 c/ [1 _. i A
& E0 C! _$ k- C$ ^1 c. i2 B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、
3 u; v. e$ H% v5 `2 v) o$ V
7 v4 X/ J" {& r5 Q* Z+ b7 G8 U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( ?- \4 C8 N1 e& X: I# }% h
3 ]/ o i8 Q5 [' Z% {; C
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。
$ i' R7 Z1 S2 `& P- Y+ d" s 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4 v0 F3 v( }* W2 j+ P& a5 R% N
# L" v3 b- C1 _2 S6 m+ j+ l( a" R3 ?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4 u/ X% w; T, x! R7 T
+ h- V1 E2 x& L# c, w9 V' p
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" ?$ v Y- s" j
3 X5 s2 m3 ]6 O6 n
当局才能了解交易详情。
, n) B, p8 w% Z- u" @' i: l( X% M9 L
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5 a5 Q+ ?% j& [4 g. d# h
5 z% T: x @1 }3 H |' L3 D
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! L+ A2 }% {3 l: D! p- P
: \8 H+ X- X% `; Q8 k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。( Z% @- `, {4 t! U' O F
3 ~ g8 G1 u 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，
( R3 j* s7 _8 O6 U8 O7 l# L
: R* O9 N0 [, e2 N- L3 B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+ I7 M9 n! @+ C; ^
. G0 {+ E1 e/ u$ U& R
（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( H6 ?& ^ s7 T' `
e. O' k; A1 k' O, L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
: K2 x0 I; ~& @
2 I# k/ K* f9 ~" I A: Q* w和业务）提供支持。
/ @9 R8 \; M# r, B8 E6 Z7 S9 Z! [' K5 S- R7 @
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