Mr. Wang is one of three key witnesses who pleaded guilty and agreed to cooperate against Mr. Bankman-Fried, the onetime crypto mogul on trial for fraud.

Read More Virtual Currency, Frauds and Swindling, Bankruptcies, Venture Capital, Start-ups, Computers and the Internet, Alameda Research LLC, HK FTX Trading Ltd (Futures Exchange), Bankman-Fried, Sam, Gary Wang