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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 N9 y' K j2 N. c/ ]* L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
6 z5 M4 P5 t; F9 R. t, y: }! s1 \) W8 Q) N9 y4 @) 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、
" a+ e7 s+ m6 K! D
2 Q- x f- z, S: ?$ O% R! G# m3 X7 w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
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1 s4 E" B6 a7 J; b6 T/ [/ G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。
! m' T" ]; L+ g7 O6 @9 j! ^ 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
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% T) ~8 t8 M6 F* 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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. J! D. k! x$ ~! @- `6 v! ]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
$ u" l. j5 i5 R6 z
5 V [7 A' K6 \9 K6 _3 x当局才能了解交易详情。$ P+ p3 l" S8 K
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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 Y m9 Z. Q6 M) e7 z6 U, q
5 s- n+ V3 U. r0 K w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+ [. u% [! l* j
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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。
# }1 F% e) u, K+ p7 u( H7 ?5 L$ w
/ F+ g3 J6 V$ R5 v# r6 _' e 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,2 k+ |% u/ D" w# e7 V
+ |' S0 G% h4 d# k, 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
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! ?. M" L7 G# Q7 t" y(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
2 i2 T+ c7 r O' h. ]
* a$ o5 ^. Y+ f: V" T- C! \: b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# u5 ?- b; L5 o. ]
2 U) `0 b/ K0 @和业务)提供支持。! i; u( x ?+ N
S2 a, ^8 @, v+ c) V
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