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Alloc Init 提出基于零知识证明的屏蔽比特币，挑战 Zcash

2026-10-04 00:23:48

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研究团队提出“屏蔽比特币”方案：利用零知识证明实现完全隐私交易

研究人员提出了一项新提案，旨在实现完全私密的比特币交易，且无需对网络进行根本性修改。专注于隐私技术的公司 Alloc Init 的联合创始人 Misha Komarov 详细介绍了这一名为“屏蔽比特币（Shielded Bitcoin）”的解决方案。该方案依靠先进的密码学技术来隐藏关键的交易细节。

比特币隐私的零知识证明应用

Komarov 解释称，“屏蔽比特币”利用零知识证明——一种允许参与者在不分享信息的情况下证明其知晓某些信息的数学方法——来隐藏发送方、接收方以及交易金额。与以往的隐私方法不同，该提案不需要软分叉、托管服务或区块链桥接。

Komarov 表示：“屏蔽比特币允许用户在保留原始比特币网络的同时进行私密资金转移，而无需将资产控制权让渡给第三方。”

这项创新的关键在于整合了比特币 PIPE（并行输入、并行执行），这有助于处理复杂的证明，并使得在不修改网络的情况下实现隐私功能成为可能。

术语小词典：Zero-knowledge proof is a cryptographic method that allows users to verify the validity of data or claims without disclosing the data itself. This technology forms the basis for cryptocurrency privacy features such as Zcash and Monero, protecting user privacy by hiding transaction details from the public.

Comparison with Monero and Zcash

Komarov compares "blocking Bitcoin" with existing privacy-conscious cryptocurrencies such as Zcash and Monero. The two networks already use cryptography to obfuscate transaction records, but they require separate blockchains and asset conversions. Komarov suggested that if similar privacy features could be implemented directly on Bitcoin without having to split liquidity or involve custody, it would represent a major improvement.

Features Block Bitcoin (Proposal)ZcashMonero Network Bitcoin ZcashMonero Privacy Method Zero-Knowledge Proof (No soft fork required) Zero-knowledge proof (Zk-SNARKs) Ring signature, Invisible address Does new assets require No Yes Yes Does hosting/bridging require No N/AN/A

Adoption barriers and privacy limitations

“屏蔽比特币”提案目前仍处于研究阶段，尚未成为可部署的产品。Komarov 强调了持续存在的挑战，包括由于匿名集合较小导致早期用户的隐私保护有限，以及在比特币区块链上计算费用和交易大小限制方面的不确定性。

他还探讨了实际考量因素，例如索引器或零知识滚动层（rollups）在实践中是否可能需要一定程度的信任，以及较大规模的交易如何影响区块空间的使用和费用。

目标：在不牺牲比特币核心功能的前提下增强用户隐私

该提案旨在满足需要高级隐私功能的用户需求，例如企业金库或对安全威胁敏感的个体。Komarov 提到了攻击和监视风险， suggesting 比特币上的隐私保护措施可能会吸引寻求更高机密性的机构和私人买家新群体。

“屏蔽比特币”旨在提供类似 Zcash 等资产的隐私功能，同时用户无需离开比特币网络的安全性和流动性环境。

研究人员正在寻求更多的反馈和发展以解决当前的局限性。Komarov 强调，就目前而言，“屏蔽比特币”仍是一个正在积极探索的概念，而非比特币协议的即时升级。

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