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ZEC Zcash 计划于一月引入抗量子签名支持，并推出隐私钱包工具
Zcash 开发团队正致力于通过在一月引入基于哈希的抗量子签名支持来增强网络安全。这一举措旨在应对日益增长的量子计算威胁，这些威胁可能会破坏现有的加密货币加密标准。
抗量子安全措施
负责 Zakura（Zcash 协议运行和交易验证的关键实现）的工程师 Roman Akhtariev 在最近的一篇帖子中详细介绍了这一即将推出的计划。据 Akhtariev 称，团队预计将在一月为 Zcash 包含后量子签名操作码（opcodes），尽管网络激活的具体日期尚未最终确定。
此次计划的升级将引入允许 Zcash 验证基于哈希签名的操作码。这种特定的加密方法专门设计用于抵御量子计算机的攻击，因为量子计算机未来可能会使传统的公钥密码学变得脆弱。
Akhtariev 写道，团队的目标是在一月份纳入这些后量子签名功能，并强调此举旨在加强网络防御，以应对未来的量子威胁。更新的重点是防止潜在攻击者利用公钥逆向工程并伪造交易批准，这在先进量子计算时代被认为是一种更可能的威胁。
该机制涉及生成可通过哈希函数验证的签名，而不仅仅是使用公钥。这种方法有助于确保即使当前的钱包密钥被泄露，要破解基于哈希的系统也需要取得单独且重大的技术突破。
标准的 Zcash 透明地址在资金花费前使用哈希隐藏公钥，之后才会公开该密钥。这种新的签名方法将为一旦公开的交易批准增加额外的安全保障。
这些安全改进部分是对以太坊研究员 Justin Drake 近期警告的回应。Drake 认为，人工智能可能会加速发现破解比特币和以太坊钱包安全的方法。他指出，在最坏的情况下，此类风险可能在“几个月内”而非几年内实现。
以太坊网络本身已将实施抗量子加密升级的目标日期定为 2029 年 12 月。然而，迄今为止，尚未记录到针对其钱包密钥的实际攻击。
继 Drake 的声明之后，Zcash 的原生代币 ZEC 周四收于约 1,185 美元，过去一周下跌了 11%，在主要数字资产中领跌。
抗量子升级目标对比
私有查找工具与透明池焦点
Since most public ZEC tokens are reposed in transparent addresses, Zakura has also developed a private lookup tool to address the privacy risks faced by users managing multiple addresses. The tool allows wallets to verify balances without revealing the associated address to the query server.
The experimental private lookup feature available in the Vizor wallet allows users to check balances at multiple addresses while protecting privacy and preventing address chaining, even though their payment records are still publicly visible.
The tool helps prevent server-side address associations by using a method called Private Information Retrieval, which ensures that database queries do not expose which records are being accessed.
Small Dictionary: Private Information Retrieval -An encryption protocol that allows users to retrieve records from a database without revealing which record are being accessed, thereby protecting queries from being linked to specific data holders.
Zcash's network is divided into transparent payment pools and blocked payment pools. Although blocking payments completely hides the sender, recipient and amount, transparent transactions are similar to Bitcoin, displaying all transaction details on the blockchain.
CoinDesk's analysis of ZecStats data showed that of the 16.98 million ZECs issued as of Thursday, about 11.96 million-or about seven out of ten coins-were in transparent addresses. The upcoming quantum-resistant upgrades will focus on this public side of the network.
Wallet approves transactions using private keys and network authentication using corresponding public keys. Normally, reversing the public key to obtain the secret key is computationally impossible, but experts warn that emerging quantum and AI-powered technologies could change this assumption. [TAG
Shielding pools and future plans
Although January's upgrade will focus primarily on transparent addresses, shielding pools require separate anti-quantum protection R & D efforts. The industry fears that if adversaries collect encrypted payment histories today, they could eventually decrypt the data if a cryptographic breakthrough occurs in the future.
The Zcash community and its developers are now prioritizing privacy-enhanced and upgraded cryptography to address the evolving risks in the digital asset space.
