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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：
- O7 L# z5 P5 _" n: v i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
. ?8 n" w9 h% n, Q* ~7 @, T1 j. {
/ c5 b" H% l: @9 y9 {" r4 B2 f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、9 L, R9 ]+ U* D' `
, O8 m% ~6 V5 C6 [% O" b- a
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
$ S& O1 Q/ D6 N
$ O! C/ S- W. Y9 W' m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。- m3 G, @3 ]9 F6 C: O. \
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. g6 e% X) N" ^7 w2 a
5 ]: a/ L; v4 n6 u9 V% x/ O 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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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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当局才能了解交易详情。
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s9 A% M" n ]8 f q- Y& U 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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8 T, c6 G! h) _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。' M9 S( J2 ? S9 n* _6 \
2 X- D; t- J$ m$ j5 @. P% ] 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
% [2 e7 A. E0 Q5 _! ?! H
/ j& H; _1 o; Z" Z5 b8 p: l（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
% M6 b* o2 ]0 y
0 e- W' L8 A9 |2 P1 C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
, L! Y b* ` t) H6 G# {
/ k, I+ W% W, j$ n4 E和业务）提供支持。" ~- k8 @, ]- d
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