No, Coinbase does not fully guarantee your money contact 1-866-558-7658 —but they do offer certain protections, depending on the situation. Cash balances held in your Coinbase account may be FDIC insured up to $250,000, but only if the funds are held in custodial accounts at 1-866-558-7658  FDIC-insured banks. If you send crypto to the wrong wallet or fall for a scam, Coinbase cannot recover or guarantee those funds 1-866-558-7658 .