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$2.3M USDT Stolen in Key Hack, Laundered via Tornado Cash

Two wallets lost $2.3M USDT in a key compromise; funds moved as 757.6 ETH via Tornado Cash, says PeckShield.

  • $2.3M USDT was stolen from two wallets due to a key compromise
  • Stolen funds were swapped for 757.6 ETH
  • Funds were laundered via Tornado Cash, says PeckShield

In another troubling sign of persistent security risks in the crypto space, two wallets have reportedly lost a combined $2.3 million in USDT following a private key compromise. Blockchain security firm PeckShield broke the news, revealing that the stolen funds were rapidly converted into 757.6 ETH and subsequently funneled through the controversial privacy mixer, Tornado Cash.

This method of laundering funds has become a go-to for attackers looking to obfuscate stolen assets, despite increased regulatory scrutiny and sanctions on Tornado Cash.

How the Attack Unfolded

According to PeckShield’s on-chain investigation, the attack began when the attacker gained access to the private keys of two wallets holding large USDT balances. After securing access, they executed a swap, converting the stablecoins into ETH — a common practice to avoid blacklisting by issuers like Tether.

The resulting 757.6 ETH, worth approximately the same as the stolen USDT, was then routed through Tornado Cash, making it much harder to trace and recover.

While the identity of the wallet owner or the method of the private key leak is unknown, this incident highlights the critical importance of private key security and wallet management best practices.

Growing Use of Tornado Cash Despite Sanctions

Despite facing U.S. sanctions, Tornado Cash remains a tool of choice for laundering stolen crypto. This attack adds to a growing list of hacks and exploits where attackers have used the protocol to obscure the trail of funds.

Security experts continue to warn against storing large amounts of crypto in hot wallets or using weak private key storage solutions. As 2025 closes out, this serves as yet another reminder that in crypto, self-custody comes with high responsibility.

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Disclaimer: The content on CoinoMedia is for informational purposes only and does not constitute financial, investment, or legal advice. Cryptocurrency investments carry risks, and readers should conduct their own research before making any decisions. CoinoMedia is not responsible for any losses or actions taken based on the information provided.

Aurelien Sage

Aurelien Sage is a blockchain enthusiast and writer, crafting insightful articles on decentralized technologies, Web3, and the future of finance. His work simplifies complex concepts, empowering readers to navigate the evolving crypto landscape with confidence.

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