The fall of Sam Bankman-Fried (SBF) has stung because he was held in higher esteem than the rest of the crypto industry. Other crypto leaders come across as greedy, or shady, or lightweight, or they make silly claims about crypto’s amazing future.  SBF, by contrast, seems competent. He studied physics and maths at MIT. He worked at Jane Street, a famed hedge fund. He is across the detail. He doesn’t bloviate about the future of crypto.  And — more than anything — he has made a show of not being greedy. He has given millions to charity, and to Democrats,…