Prosecutors are nearing the end of their week-long case against Eisenberg. On Thursday, they called a special agent and an expert witness that walked the jury through how Eisenberg allegedly drove up the price of MNGO tokens on AscendX, FTX and Serum in order to inflate the value of perpetual contracts he was trading on the Mango Markets decentralized exchange. Then, they said, he borrowed or withdrew well over $100 million from the exchange.