His crypto exchange, FTX, collapsed into bankruptcy last year.
He now faces a March 28 sentencing date that could result in decades of prison time.
The 2009 prosecution of Bernard Madoff, whose Ponzi scheme bilked about $20 billion.

Former FTX chief executive Sam Bankman-FriedED JONES/AFP via Getty Images
resulted in a sentence of 150 years in prison.
But heres the thing: The cryptocurrency industry might be new.
The players like Sam Bankman-Fried might be new.

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Bankman-Frieds attorneys said they were disappointed with the verdict.
Bankman-Fried himself took the witness stand for four days, a rare gambit by a defendant.
He said that he never intended to commit fraud or cheat customers during his testimony.
His crimes caught up to him.
His crimes have been exposed, Assistant U.S. Attorney Danielle Sassoon told the jury just before they began deliberations.
Bankman-Fried, 31, was one of the top players in the emerging industry of cryptocurrency.
2 Democratic party donor for the 2022 elections, donating more than $40 million.
Hollywood also pursued him, hoping to get exclusives on his story.
They detailed how he used customer money from FTX to prop up his hedge fund, Alameda Research.
Wang said the money came from customers.
Bankman-Fried was arrestedlast Decemberand extradited to the United States.
But he was jailed in August when a judge found he was trying to influence the media and others.
Associated Press contributed to this report.