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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：. B' V: a4 X! b9 o# B2 w- d3 G9 k$ ~
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% k- O7 }, L+ G2 B% o
: x+ b5 B/ L; r; \4 C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、* I; L( z z4 ~5 `3 L
/ Y0 d% q$ L9 m. J$ f% 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
8 A; }- v5 r# q Y( x* [% c: e) K) d7 c$ z% `
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。
' a! U3 C: L6 L1 h3 \( R 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3 }, Z+ d% R7 o. n! c7 ~2 M
* |; b' {6 Z# I" a/ g' {9 H/ _ 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
* O+ W: p; o: ? u* l8 U" C2 z% d! `8 m( Y9 e$ f! ^) P" k% K1 p, t
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
9 z0 W- r2 L* Q( [& A! r! U. O1 V# Q2 ^# ~* K
当局才能了解交易详情。
4 O0 U2 [1 i0 }# n. O1 s! `) g" f$ B1 {+ f/ I2 \4 G9 f
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: U. x) m$ x% C, C1 |5 n
) }. @" L1 j% m) N( Q- r
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 J) `* e' W6 f9 D& ~
Q2 ~3 H- u) n8 k, q
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。' e, j# k" d& ~$ Q# K
( [" J) D2 k, g D( D7 {! b
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，
" o' D6 a! v& l% Q+ l, n4 t% Q4 c9 l% B% A( I
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 u/ c7 G% N2 i. |. M. V
8 b( h9 I, t- M( M（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
; K4 k, F# Y- o& d( U. K+ ^6 q- Y4 A
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8 y! D& ^) Z6 O7 {- `7 t' ]7 B
1 X2 j9 Y& E1 ?, ^3 J2 `5 v3 k和业务）提供支持。
/ F8 H; L% q- Z4 L+ C9 R, h* a6 ]
* H0 A* t5 F, {+ E" C" i6 M: T" G7 k. }
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