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Techub News reports, according to Cointelegraph, that Strategy Executive Chairman Michael Saylor stated that Bitcoin reserve proofs would expose sensitive information, diluting the security of issuers, custodians, and investors. He said in May 2025 that the practice is "not a good idea," believing it would lower the overall security level. Reserve proofs were widely adopted after the collapse of FTX in 2022, aiming to verify whether client assets are fully backed. Currently, major trading platforms such as Binance, Kraken, OKX, and others have published relevant disclosures, while Strategy, as the largest corporate Bitcoin holder, has not adopted this mechanism. Block recently released a reserve proof, verifying its holdings of 8,883 Bitcoins (worth approximately $681 million).
Techub News消息，以太坊开发者Tom Lehman发布EIP-8182草案提案，该提案将共享屏蔽池直接纳入以太坊协议层（通过系统合约和ZK预编译），仅通过硬分叉升级，从而提供统一的匿名集和无需额外信任的安全模型。它支持向任意地址发送、分离授权与证明、可自定义认证方式，并能实现兑换与重新屏蔽的原子操作，使隐私与以太坊应用层保持同步可组合性。 Tom Lehman表示，以太坊所有交易公开可见，缺乏隐私，这与任何传统金融体系背道而驰。尽管Vitalik呼吁将隐私工具内置到钱包中，但现有隐私协议存在「匿名集鸡与蛋」问题（新应用无法提供初始隐私）以及信任模型问题（升级依赖特定群体控制），导致目前仅不到万分之一的交易是私密的，甚至低于2020年的峰值。
Techub News reports, Ethereum co-founder Vitalik Buterin posted on the X platform, stating that network layer anonymity is a crucial and long-missing component in the current privacy technology system, playing a key role in improving both on-chain and off-chain privacy primitives. Current privacy technologies have covered areas such as on-chain privacy solutions and off-chain zero-knowledge applications, but there remains a significant gap in network layer anonymity capabilities. Additionally, in some application scenarios, bandwidth requirements are low but latency is extremely sensitive, making the balance between low latency and high anonymity of significant value for the development of related technologies.
Techub News reports that Josh Swihart, former CEO of the Zcash protocol development company Electric Coin, tweeted that a new Zcash wallet will be launched, and pre-applications are now open.
Techub News: Ethereum ecosystem privacy scaling lab PSE tweeted that it has released OpenAC, an open and transparent lightweight anonymous credential design, with a single proof presentation time of approximately 0.129 seconds. This scheme proposes a zero-knowledge identity construction architecture, designed to work collaboratively with existing identity systems and intentionally crafted to be compatible with the European Digital Identity Architecture and Reference Framework.
Techub News: Vitalik Buterin tweeted that he has donated 128 ETH each to the end-to-end encrypted instant messaging applications Session and SimpleX to support research and development in areas such as permissionless account creation and metadata privacy, thereby promoting the advancement of private communication technology. Vitalik Buterin stated that end-to-end encryption is just the starting point, and current private communication still faces significant challenges in metadata privacy, decentralization, multi-device support, as well as resisting Sybil attacks and denial-of-service attacks without mandatory phone number binding.
Techub News, the Ethereum Foundation (EF) has established a Privacy Cluster, composed of 47 top blockchain researchers, engineers, coordinators, and cryptography experts, aiming to advance the privacy protection features of the Ethereum network. Coordinated by Igor Barinov, the cluster will integrate the Foundation's existing privacy R&D projects and promote new privacy-related initiatives. The core projects of the Privacy Cluster include: Private Reads & Writes (PSE): Enabling private payments, voting, and interactive operations, ensuring secure and low-cost browsing, querying, and authentication for users and enterprises. Private Proving (PSE): Achieving efficient, portable proofs to verify identity, assets, or qualifications without disclosing additional information. Private Identities (PSE): Selective disclosure and the zkID project, protecting online identity privacy. Privacy Experience (PSE): Optimizing the user experience of privacy protocols, making privacy features easy to use and widely accessible. Institutional Privacy Task Force (IPTF): An interdisciplinary team that translates regulatory and operational requirements into privacy standards, helping institutions address practical application scenarios. Kohaku: A new privacy wallet and open-source SDK, making strong cryptographic technology easy to use. The Ethereum Foundation stated that privacy should be a core characteristic of the Ethereum ecosystem, and the Foundation will collaborate with the ecosystem to build secure and usable privacy safeguards for individuals and institutions.
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