web3: Zcash启动Ironwood升级封堵潜在伪币流通
Decrypt
07-29 02:43
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Zcash 启动 Ironwood 升级,停用 Orchard 隐私池并封堵潜在伪造 ZEC 流通,同时引入抗量子交易记录。
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Zcash 已正式启用 Ironwood 网络升级。此次调整停用了此前的 Orchard 隐私池,并开始把用户资金迁往新的隐私池,目标是把潜在伪造的 ZEC 永久隔离在旧池内,避免其进入市场流通。

旧隐私池停止流出

这次升级源于一项在 5 月曝光的关键漏洞。安全研究员 Taylor Hornby 在使用 Claude Opus 4.8 时发现,Orchard 中存在一个已持续约四年的缺陷,理论上可能被用于伪造 ZEC。开发团队虽在 6 月发布紧急补丁,但由于隐私交易默认隐藏细节,外界无法确认漏洞是否曾被利用。

Ironwood 上线后,持有约 370 万枚 ZEC 的 Orchard 被正式退役。新机制加入了类似“闸门”的记账设计,旧池流出的 ZEC 数量不能超过可验证的历史存入量。这样一来,即便过去存在伪造币,也无法从旧池流出并进入市场。

  • Orchard 旧池规模约为 370 万枚 ZEC
  • 按文中价格估算,价值约 17 亿美元
  • 旧池流出将受可验证存入量限制

漏洞披露后价格先跌后稳

漏洞消息公开后,市场一度质疑 Zcash 的供应是否可信。报道提到,ZEC 当时曾下跌 38%。随着 Ironwood 修复方案提出,市场情绪随后回稳,Zcash 在 6 月初一度收复约 25 亿美元市值。

截至报道发布时,ZEC 价格约为 464 美元,市值接近 80 亿美元。对市场而言,这次升级不只是常规技术更新,更关系到 Zcash 供应完整性和隐私资产信誉的修复。

迁移期间仍有隐私提醒

除封堵潜在伪币问题外,Ironwood 还引入抗量子交易记录,以及经过形式化验证的证明电路。开发者希望借此降低类似漏洞再次出现的概率,并提升后续网络安全性。

不过,隐私基础设施提供商 Nym 认为,用户在迁移资金时若缺少额外保护,可能暴露与钱包余额相关的网络信息。Zcash 开发者建议用户不要急于迁移,并在转移资金时使用 Tor 或 NymVPN 等隐私工具。

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