美国财政部制裁混币协议Tornado Cash

8月8日消息,美国财政部 (OFAC)将虚拟货币混合协议 Tornado.Cash 添加到受制裁名单,所有美国个人和实体都被禁止与 Tornado Cash 或与该协议相关的任何以太坊钱包地址进行交互。据悉,该协议的网站和与该项目相关的智能合约列表现已被封锁。这是美国首次批准制裁链上 DeFi 协议。

龙卷风现金(Tornado)是一个完全去中心化的非托管协议,在以太坊区块链上运行,通过打破源地址和目标地址之间的链上链接来混淆其来源、目的地和交易方,不试图确定其来源。自2019年创建以来,它被用来清洗价值超过70亿美元的虚拟货币。
Tornado接受来自一个地址的 ETH 和其他代币存款,并允许他们提款到不同的地址,即以隐藏发送地址的方式将 ETH 和其他代币发送到任何地址。这些智能合约充当混合所有存入资产的池,当你将资金放入池中(即存款)时,就会生成私人凭据(随机密钥),证明你已执行了存款操作。此私人凭据作为你提款时的私钥,合约将 ETH 或其他代币转移给指定的接收地址,同一用户可以使用不同的提款地址。虽然声称目的是为了增加隐私,但像Tornado这样的混合器通常被非法行为者用来洗钱,特别是在重大抢劫案中偷窃的资金。

据慢雾此前分析,2022年上半年安全事件中 74.6% 洗钱资金流向 Tornado.Cash。今次OFAC 主动将混币协议 Tornado.cash 的新旧协议 TORNADO CASH CLASSIC、TORNADO CASH NOVA,以及网站 tornado.cash 列入制裁名单。同时,OFAC 也将与 Tornado.cash 相关的多个地址列入制裁,包含 ETH 与 USDC 相关的混币器 (mixer)。

Tornado.cash 代币 TORN 在消息发出后不久,代币出现 20% 以上跌幅 (9/8 17:00截稿前)

TornadoCash联合创始人Roman Semenov发推表示,在美国财政部的制裁公告发布后,他的GitHub帐户已被暂停,目前Tornado Cash存储库也已从GitHub中删除,稳定币发行公司Circle还冻结了属于Tornado Cash用户的7.5万枚USDC。

By Hailey

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