Sam Bankman-Fried, the former crypto king found guilty last year of orchestrating one of the biggest frauds in U.S. history, will be sentenced this week in a New York courtroom.

Prosecutors have argued that the onetime Forbes billionaire should spend the next 40 to 50 years behind bars for a crime that had more than a million victims, losses totaling up to $10 billion, and led to the stunning collapse of his FTX crypto empire.

In a court filing, a Manhattan prosecutor argued that Bankman-Fried, who is scheduled to be sentenced on March 28, showed “unmatched greed and hubris” and broke the law based on a “pernicious megalomania guided by the defendant’s own values and sense of superiority.”