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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：1 N* H/ B* \+ k8 X5 s) a1 ~& [
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、* l3 r! v* C+ {( L |' o$ ^: D; m
/ K* `: Q/ j5 e8 a( ?4 H6 o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+ G& V% a0 ]7 c
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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。- B$ H% ~, }3 {0 o9 k2 F4 c
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$ |1 @+ t x5 r6 N5 g
# g1 w' e; W p' S5 u1 y/ U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
# @3 d* f5 y( n* S& P; X3 L% |, r9 q' y/ w3 R) n: P# J9 a
当局才能了解交易详情。
* D, q5 q/ u% d4 ?' j4 f# t7 F' ?" N$ ~3 c% \0 @: N
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/ R v8 y9 ]/ k& E- M
" n9 f7 A% i# I9 ^* n( n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
- F5 o5 h- ~, Y# N5 r
2 }7 ~4 q3 N$ m. Y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。/ P7 P8 B1 }" @ u8 ~' U6 k
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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，% B! D- @/ I/ g1 c) p
$ g( M- _$ x& I+ V4 o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
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（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
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' V0 {; F8 s* @) y, F: O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4 U6 D0 c2 e7 ^/ C) J+ n- ~9 V1 ^
1 n. L( F; r) \0 X- _& U" Y$ [
和业务）提供支持。
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