A hacker that exploited the Uranium Finance DeFi platform in 2021 may have used "Magic: The Gathering" trading cards to try and launder their loot after running it through the Tornado Cash mixing service, the pseudonymous blockchain sleuth ZachXBT said on Thursday.

In a thread on X, ZachXBT outlined a series of moves that saw someone withdraw 11,200 ETH over the past year from Tornado Cash in 100 ETH increments. Then, that user swapped the ETH for wrapped ETH (WETH), transferred it to a new address, swapped it for USDC and then used some of it to buy "Magic: The Gathering" (MTG) trading cards.

Part of the funds were also deposited to centralized exchanges Kraken, Bitpay, and Coinbase, the researcher wrote.

ZachXBT said the steps appeared to have been taken to make it harder to track …