(Bloomberg) -- It was Federal Reserve policy, not crypto, which was the primary culprit in the bankruptcies of Silicon Valley Bank and Signature Bank, according to Ark Investment chief Cathie Wood.Most Read from BloombergFirst Republic Bank Is Exploring Options Including a SaleCredit Suisse Reels After Top Shareholder Rules Out Raising StakeRyan Reynolds-Backed Mint Is Bought by T-Mobile for $1.35 BillionIn New York City, a $100,000 Salary Feels Like $36,000Credit Suisse Is In Crisis. What Went