On-Chain Detective Specter: 73 BTC worth $4.6 million originally came from the Whirlpool coin mixer

In comparison, according to on-chain detective Specter monitoring, the victim claimed to have transferred funds from Bitcoin to Ethereum due to a Coldcard hacker attack. However, on-chain data shows that 73 BTC (worth $4.6 million) originally came from the Whirlpool coin mixer two weeks ago, some of which were cross-chain to Ethereum, and then deposited through a phishing Tornado Cash interface.

Two coin mixers were used in the relevant fund transfer process. The person was also spotted appearing in a Telegram group involving private key searches and brute-force cracking. On-chain detective Specter said the victim may have been a threatening actor, and her funds may have been stolen by another threatening actor.