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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:8 o" t. T7 Z2 l0 a" |& s/ O
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、
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) ^5 s: i( _6 g4 A0 ^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: A5 a# ^9 O& K
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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。: Y |! g; C: E# D6 M" T4 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 j5 R+ ^1 P! N5 p
, q- n3 x; \7 d) d9 s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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- Z" G6 ?, d$ H/ y! A3 W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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4 s* H7 Q5 i. S2 j当局才能了解交易详情。
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2 ~9 q! }' S L4 C 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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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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: X, {- U) U3 x$ l3 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。" W2 m$ {; k6 ?8 h' N0 p: T0 y6 F
/ c# P8 a/ J0 G/ q3 t 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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: J. x9 Q! T. W. L- v( f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& R+ X+ u; h, A5 _
# [9 A8 Z4 B# q' I
(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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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- q! Y, c& ?* Y/ g7 H
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和业务)提供支持。
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