A privacy-preserving cross-chain cryptocurrency transfer scheme based on commitment scheme and zero-knowledge proof

IF 4 3区计算机科学 Q1 COMPUTER SCIENCE, HARDWARE & ARCHITECTURE

Computers & Electrical Engineering Pub Date : 2025-04-28 DOI:10.1016/j.compeleceng.2025.110373

Lu Lin , Lingyan Han , Liangmin Wang

{"title":"A privacy-preserving cross-chain cryptocurrency transfer scheme based on commitment scheme and zero-knowledge proof","authors":"Lu Lin , Lingyan Han , Liangmin Wang","doi":"10.1016/j.compeleceng.2025.110373","DOIUrl":null,"url":null,"abstract":"<div><div>The demand for cross-chain transactions is increasing with the emergence of different types of cryptocurrencies. Most of solutions require cross-chain transaction information to be collected publicly, which undermines the privacy of cross-chain payers. To address this challenge, we propose a privacy-preserving scheme for cross-chain cryptocurrency transactions, which prevents any party from accessing the full transaction details of the payers. Based on the commitment scheme, we first construct a privacy-preserving cryptocurrency lock and release protocol for issuing or redeeming mapped cryptocurrencies in smart contracts. We then propose a mapped cryptocurrency confidential transaction scheme (MCCT) based on zk-SNARK and design an atomic exchange protocol based on it. We analyze the security of our scheme and implement it with smart contracts on an Ethereum test network. The experimental results demonstrate that for 100 exchanges, the additional time cost of our proposed solution is approximately 39% compared to the existing solution, which is considered acceptable.</div></div>","PeriodicalId":50630,"journal":{"name":"Computers & Electrical Engineering","volume":"124 ","pages":"Article 110373"},"PeriodicalIF":4.0000,"publicationDate":"2025-04-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Computers & Electrical Engineering","FirstCategoryId":"94","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/S0045790625003167","RegionNum":3,"RegionCategory":"计算机科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q1","JCRName":"COMPUTER SCIENCE, HARDWARE & ARCHITECTURE","Score":null,"Total":0}

引用次数: 0

Abstract

The demand for cross-chain transactions is increasing with the emergence of different types of cryptocurrencies. Most of solutions require cross-chain transaction information to be collected publicly, which undermines the privacy of cross-chain payers. To address this challenge, we propose a privacy-preserving scheme for cross-chain cryptocurrency transactions, which prevents any party from accessing the full transaction details of the payers. Based on the commitment scheme, we first construct a privacy-preserving cryptocurrency lock and release protocol for issuing or redeeming mapped cryptocurrencies in smart contracts. We then propose a mapped cryptocurrency confidential transaction scheme (MCCT) based on zk-SNARK and design an atomic exchange protocol based on it. We analyze the security of our scheme and implement it with smart contracts on an Ethereum test network. The experimental results demonstrate that for 100 exchanges, the additional time cost of our proposed solution is approximately 39% compared to the existing solution, which is considered acceptable.

查看原文本刊更多论文

一种基于承诺方案和零知识证明的保护隐私的跨链加密货币转移方案

随着不同类型的加密货币的出现，对跨链交易的需求正在增加。大多数解决方案要求公开收集跨链交易信息，这破坏了跨链支付方的隐私。为了应对这一挑战，我们提出了一种跨链加密货币交易的隐私保护方案，该方案可以防止任何一方访问支付方的完整交易细节。基于承诺方案，我们首先构建了一个保护隐私的加密货币锁定和释放协议，用于在智能合约中发行或赎回映射的加密货币。提出了一种基于zk-SNARK的映射加密货币保密交易方案（mct），并在此基础上设计了一个原子交换协议。我们分析了方案的安全性，并在以太坊测试网络上使用智能合约实现了该方案。实验结果表明，对于100个交易所，与现有解决方案相比，我们提出的解决方案的额外时间成本约为39%，这是可以接受的。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

求助全文

约1分钟内获得全文求助全文

来源期刊

Computers & Electrical Engineering 工程技术-工程：电子与电气

CiteScore

9.20

自引率

7.00%

发文量

661

审稿时长

47 days

期刊介绍： The impact of computers has nowhere been more revolutionary than in electrical engineering. The design, analysis, and operation of electrical and electronic systems are now dominated by computers, a transformation that has been motivated by the natural ease of interface between computers and electrical systems, and the promise of spectacular improvements in speed and efficiency. Published since 1973, Computers & Electrical Engineering provides rapid publication of topical research into the integration of computer technology and computational techniques with electrical and electronic systems. The journal publishes papers featuring novel implementations of computers and computational techniques in areas like signal and image processing, high-performance computing, parallel processing, and communications. Special attention will be paid to papers describing innovative architectures, algorithms, and software tools.