Coinbase offers a secure way to invest and trade with cryptocurrencies. Coinbase features a growing list of over 25 cryptocurrency. we collect personal information that is necessary to provide you with our services then Transacting bitcoins on Coinbase may be worse for privacy than even PayPal. ... when you buy bitcoins, the fee is 1.49% to 3.99%. The lower fee is for US bank accounts and a Coinbase USD wallet. The higher fee is for debit cards and the Coinbase card.