Coinspeaker Coinbase Customers in Select U.S. States Will Soon Be Able to Borrow 30% of Their Bitcoin Holdings in CashCoinbase has unveiled its borrowing service which will go live later in the fall. Customers will get access to up to 30% of their BTC holdings.Coinbase Customers in Select U.S. States Will Soon Be Able to Borrow 30% of Their Bitcoin Holdings in Cash