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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:
5 g( Y# A! x1 p" k1 q: r7 Z! b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
3 q# b7 B" ?6 \
4 H( \* ]4 N5 E/ y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、/ d8 |/ e1 r# T# r O6 c- l6 F# v4 W
6 I% d/ b$ G8 r9 G, z8 N% H5 i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6 U- A; u' ]0 `' t8 q. V! ~
1 {) F1 i7 I, 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。
$ I, l+ O1 r; u+ G$ ] 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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1 Z9 K6 I4 U# Y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9 K* `; Q# }5 \. e0 ]1 v
1 q) U+ o7 X1 X4 w+ c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
. O+ }' M3 Q Z1 N: \" ^5 B& o0 q+ L, f* [; N9 K N( C- [
当局才能了解交易详情。
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' A' x$ t9 g0 P4 N/ K 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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% a$ ^. \' Z3 \( D) \8 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
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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。
3 M3 p# w1 n5 Q1 j, Q+ g8 H! n4 @# _& s) k Q
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,7 u7 F) C8 _& g" @! [" W; t
8 w/ T/ w6 z1 f4 y5 f9 D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. K) m- r5 ` E) z
5 _9 X; J0 G/ \4 z# \8 x(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
_' c0 l) d7 h& ~$ V% O. |" }) z- v" B3 o" f# ]& q0 I
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
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和业务)提供支持。! U# O/ e# m7 R0 n4 c" I
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5 x3 ] n2 M; M) ~7 a
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