No, only morons and suckers use exchanges. I keep my money in a seed wallet whose passphrase only I know (Wasp Sliced Jump Snowfield Recall Wok Lividly Chump Reference Purple Ending Undusted)
What Bankman did is similar to Madoff scam, Bankman should spend the rest of his life in jail, his gf or now ex should meet the same faith. That's my wish, sadly his parents are too powerful and he might get house arrest like Martha got few years back.