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Binance 被盗地址已撤销 EIP-7702 授权

2026-10-30 08:44:09

ChainCatcher 消息,据链上数据显示,Binance 被盗热钱包之一的 Binance 14 已于 10 月 30 日北京时间 8:10 撤销 EIP-7702 授权。Binance 此次事件涉及 EIP-7702 授权机制,签署此类授权后,钱包将由一段特定程序接管,直至授权撤销。

这次攻击滥用了该机制。攻击者设法让 Binance 的热钱包签署了一份 EIP-7702 授权,将钱包的控制权委托给攻击者预先部署的恶意清扫器合约。授权一旦生效,该恶意合约就获得操作钱包的权限,可以自动将资产批量转走,整个过程不再需要钱包主人的额外签名。

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