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technologyDec 3, 202518:00pending

【第430期】(Ledger)加密币隐私攻防_Mimblewimble对决Zcash

Seventy3

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Seventy3:借助NotebookLM的能力进行论文解读,专注人工智能、大模型、机器人算法、crypto方向,让大家跟着AI一起进步。

今天的主题是:

Coin Transfer Unlinkability Under the Counterparty Adversary Model

Summary

这篇研究文章考察了加密货币中至关重要的不可关联性,这对保护用户免受去匿名化攻击至关重要。作者提出了交易对手攻击者模型,揭示了Mimblewimble等协议中的漏洞,在该模型下,串通的对手方可以关联原本独立的个人身份信息 (PII)片段。为了分析和解决这一隐私问题,该文定义了代币转移系统,并提出了被称为代币转移不可关联性 (CT-unlinkability)的严格隐私衡量标准。研究中引入了一种利用零知识性的新颖方法,旨在方便地证明特定加密货币协议是否能够实现这种增强的隐私级别。通过应用该框架,研究得出结论:Mimblewimble在该模型下是可关联的(易受攻击),而Zerocash协议则成功实现了CT-unlinkability

原文链接:https://ledgerjournal.org/ojs/ledger/article/view/260


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【第430期】(Ledger)加密币隐私攻防_Mimblewimble对决Zcash

Seventy3

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