According to @PeckShieldAlert, the Radiant Capital exploiter deposited 5,411.8 ETH (about $20.7 million) into Tornado Cash on Oct 31, 2025, source: PeckShieldAlert on X, Oct 31, 2025. Tornado Cash is a crypto mixer that obfuscates transaction trails and was sanctioned by the U.S. Treasury for facilitating laundering of stolen funds, which complicates tracking and recovery of proceeds from exploits, source: U.S. Treasury (OFAC) press release, Aug 8, 2022. For trading, large hacked-fund deposits into mixers are typically followed by distribution across numerous fresh addresses, making on-chain monitoring of ETH flows critical for risk management, source: Chainalysis 2023 Crypto Crime Report.