Mango Markets crypto trader and alleged manipulator Avraham Eisenberg waived bail at his first hearing in U.S. District Court in New York on Thursday.

The 27-year-old will stay in jail until at least Feb. 14.

In October, Eisenberg revealed himself to be part of the group that exploited the Solana-based decentralized finance (DeFi) lending protocol Mango Markets for $114 million. After pulling off the heist – which Eisenberg described on Twitter as both legal and a "highly profitable trading strategy" – he returned $67 million to preempt the Mango Markets decentralized autonomous organization (DAO) from suing him in civil court.

The gambit didn't work. Eisenberg is currently being sued by Mango Labs for $47 million, and he's been indicted on three criminal offenses, including commodities fraud, commodities manipulation, and wire fraud.