 Silvergate Capital Corporation shares have tumbled more than 45 this morning after it reported a sharp drop in crypto-related deposits during the fourth quarter amid the fallout from the collapse of crypto exchange FTX. The company, which provides financial infrastructure solutions to the digital asset industry, said total deposits from digital asset customers came in at 3.8 billion - an 8.1 billion decline from 11.9 billion at the end of the previous quarter. 