比推消息，区块链合规公司 AMLBot 发布报告称，Tether 在对涉嫌地址实施黑名单处理时存在延迟，导致超过 7800 万美元的 USDT 在冻结生效前被转移。该延迟源于 Tether 在以太坊和 Tron 上的多签合约机制，黑名单流程需经过两次多签交易确认，期间存在平均 44 分钟的时间差。在此窗口期内，攻击者可实时监测黑名单提交交易并迅速转移资产，从而规避冻结措施。报告指出，自 2017 年以来，约有 170 个 Tron 地址利用此延迟，平均每个地址在被正式列入黑名单前转移近 29 万美元。该事件引发了对 Tether 合规执行效率的质疑。
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