“[There are] reports that Mr. Bankman-Fried ‘secretly transferred some $10 billion of customer funds to his trading vehicle, Alameda Research,’ to fund ‘risky bets,’ violating both U.S. securities laws and FTX’s own terms of service,” said the letter. “We are concerned about Silvergate’s role in these activities because of reports suggesting that Silvergate facilitated the transfer of FTX customer funds to Alameda.”