Alephium 以太坊跨链桥遭攻击,约 81.5 万美元资产被盗

链捕手
May 30

ChainCatcher 消息,Alephium TokenBridge 以太坊跨链桥遭遇攻击。攻击者通过控制 4 个 Guardian 密钥中的 3 个,伪造 VAA(验证授权消息)并在约 7 分钟内完成攻击,共窃取约 81.5 万美元资产。

攻击过程中,攻击者凭空铸造 1,376 万枚封装 ALPH(Wrapped ALPH),超过攻击前流通供应量的 100%,同时从托管池中解锁并转出 USDT、USDC、WBTC 和 WETH 等资产。目前,攻击者地址仍持有约 81.5 万美元被盗资产及 1,376 万枚无抵押支持的封装 ALPH,其中最大一笔异常交易为凭空铸造 1,376 万枚封装 ALPH。

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