A notorious maximal extractable value (MEV) bot is back and has been upgraded to carry out even more sophisticated “sandwich” attacks. The MEV bot that goes by “jaredfromsubway.eth” — which raked in millions of dollars in crypto through arbitrage and “sandwich” attacks in early 2023 — has been enhanced. On Aug. 20, MEV tracking site EigenPhi reported a new MEV contract has emerged with new tactics and more sophisticated multi-layered sandwich attacks on DeFi protocols — which schedules a transaction in front of and behind a victim’s transaction to manipulate prices and profit from the victim. …