- Samuel Benjamin Bankman-Fried (born March 5, 1992), commonly known as SBF, is an American entrepreneur who was convicted of fraud and related crimes in November 2023. Bankman-Fried founded the FTX cryptocurrency exchange and was celebrated as a “poster boy” for crypto, with FTX having a global reach with more than 130 international affiliates. At the peak of his net worth, he was ranked the 41st-richest American in the Forbes 400.