PANews reported on March 13 that according to The Block, on-chain data showed that a crypto trader was suspected of encountering a sandwich attack while trading in the USDC-USDT liquidity pool of Uniswap V3 , resulting in $733,000 in USDC being exchanged for only $19,000 in USDT .

Analyst Michael Nadeau pointed out that when the MEV robot performed this attack, it also paid block builder bobTheBuilder to prioritize transactions. In addition, community members such as DeFiLlama developers 0xngmi and TheDEFIac suspected that these abnormal transactions may be related to money laundering .