U.S. authorities have recovered $31 million in cryptocurrency stolen during 2021 cyberattacks on Uranium Finance, a DeFi protocol on Binance’s BNB Chain.

The recovery marks one of the largest crypto asset retrievals in recent years.

According to blockchain intelligence firm TRM Labs, the funds were traced by Homeland Security Investigations (HSI) San Diego and the Southern District of New York (SDNY). Investigators tracked the laundering patterns across multiple blockchains, uncovering transactions involving Tornado Cash and cross-chain swaps. The assets were successfully seized in February 2025.


The two attacks in April 2021 resulted in losses exceeding $53.7 million. The first, on April 6, exploited a flaw in Uranium Finance’s reward distribution system, leading to a $1.4 million theft, while the second, on April 28, was caused by a single-character coding error that allowed hackers to steal $52 million. The stolen funds were laundered through decentralized exchanges and remained dormant for years.

Victims of the hack are encouraged to contact [email protected] to claim a portion of the recovered funds.

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