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zkLink Nova 遭攻擊損失約 79.7 萬美元,官方暫停出塊

2026-10-30 16:45:09

ChainCatcher 消息,据區塊鏈安全機構 GoPlus 分析,10 月 29 日,攻擊者通過單筆交易從聚合 Layer2 網絡 zkLink Nova 的以太坊 L1 托管合約中提取 22.43 枚 ETH 及 11 種 ERC-20 代幣,按攻擊發生時價格計算總價值約 79.7 萬美元。

漏洞源於 Arbitrator 合約的 claimMessage 函數未清除臨時存儲的消息哈希,導致已驗證消息可被重複利用。攻擊者借助可公開調用的授權中繼器 SyncL2TxHashRelayer,偽造 L2 批次根並執行虛假提款。zkLink 官方已確認遭受攻擊,暫停 Nova 網絡出塊、緊急修補受影響合約並暫時關閉提款通道,後續將進行全面安全檢查。

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