Sam Bankman-Fried, the founder of the fallen cryptocurrency exchange FTX, is preparing to face trial in October, backed by a team of powerful attorneys. However, it has remained unclear how the former billionaire would afford his pricey defense. Forbes has learned that Bankman-Fried paid his legal fees from a multi-million dollar gift he gave his father, Joseph Bankman, who is a Stanford Law professor. The gift, which occurred in 2021 while Bankman-Fried was still the…