Benzinga and Yahoo Finance LLC may earn commission or revenue on some items through the links below. As Wall Street's biggest banks prepare to open the doors to crypto trading, fintech lender SoFi Technologies is moving first, rolling out the ability for everyday customers to buy, sell and hold cryptocurrencies directly inside its FDIC-insured banking app. SoFi last month became the first nationally chartered U.S. bank to offer retail crypto trading, restarting a service it shut down two years ago to sec ...