Svmuu reported that Arkham posted on X platform, stating that Avi Eisenberg, the attacker who profited approximately $110 million in 2022 by manipulating the Mango Markets price oracle, recently signed a transaction again from his on-chain address, drawing widespread attention from the community. Avi Eisenberg was previously arrested and imprisoned after exploiting a vulnerability in Mango Finance to execute a "high-profit trade," subsequently threatening to attack Aave, and suffering a self-liquidation on Curve while attempting to liquidate others' positions. Now that his address has shown on-chain activity again, the market has begun speculating whether he has returned to the crypto space, though no further details have been disclosed at this time.