“SoFi’s digital asset activities pose significant risks to both individual investors and safety and soundness. As we saw with the crypto meltdown this summer, where crypto-assets lost over $1 trillion in value in a matter of weeks, contagion in the banking system was limited because of regulatory guardrails,” the letter said. “In the event of crypto-related exposures at SoFi Digital Assets ultimately require its parent company, bank holding company, or affiliated national bank to seek emergency liquidity or other financial assistance from the Federal Reserve or FDIC, taxpayers may be on the hook.”