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ETH Circle与Tether冻结Bitget黑客关联钱包，锁定约31.8万美元稳定币
在针对加密货币交易所Bitget的巨额黑客攻击中，Circle和Tether冻结了一个与该攻击相关的钱包地址，切断了攻击者手中约31.8万美元的稳定币。然而，由于发行方行动迟缓，绝大部分被盗资产在干预前已被转移至无法追踪的范围。
稳定币黑名单机制生效
区块链数据显示，UTC时间周五凌晨5:00，Circle利用其USDC代币合约内置的冻结功能，将Etherscan上标记为“Bitget Exploiter 8”的地址列入黑名单。大约七小时后，Tether采取了类似行动，其多重签名钱包的一位签署人确认了一笔交易，将同一地址加入USDT的黑名单。这两项举措共同锁定了约99,990枚USDC和218,023枚USDT。
以太坊资产未被冻结暴露系统局限
该钱包中还持有约170枚ETH，但这部分资产并未被冻结。这凸显了稳定币冻结机制的核心局限性：发行方只能在合约层面屏蔽其自有代币，但无人能够冻结以太坊本身（ETH）。
It is this loophole that leads to very few recoveries. The attackers appeared to be racing against time to convert freezable assets into ETH before issuers intervened, integrating stolen tokens into new wallets within minutes, while exchanging stablecoins out. The blockchain tracker pointed out that other addresses associated with hackers still hold more than 63,000 ETH assets, and these assets are not controlled by any issuer.
One of the largest exchange leaks of the year
This freeze has only had a slight impact on one of the largest exchange leaks of the year. The hacking attack on Bitget resulted in the loss of hundreds of millions of dollars, with early estimates of losses as high as $387 million. Analysts have listed North Korea's Lazarus Group as a potential perpetrator.
Bitget CEO Gracy Chen said the attacker hacked into the back-end system of the exchange's wallet infrastructure and triggered unauthorized transfers of funds by forging transaction data, while ruling out the possibility of private keys being leaked. The exchange announced that it would use more than $464 million in user protection funds to cover losses.
Centralized control caused controversy
This rapid blacklist action has attracted widespread attention, and its response speed is better than some past cases. However, it has also rekindled a long-standing debate about issuers having centralized control of so-called "permission-free" assets.
