Unfortunately, if you only have a credit card, you cannot use it at this time. Exchange Fees Countries Buy Coinbase 1. While many in the Bitcoin community saw this as a sell-out to the original intent of Bitcoin, Coinbase saw this as the best way to fulfill their mission of providing an open and innovative financial system that would be embraced throughout the world. It may be left to history to decide the role that Coinbase played in providing a much-needed makeover for the digital currency and restoration of confidence in Bitcoin, but it has certainly led to a very successful company. More on this later. You will be required to upload a clear photo of the front and back of the idea. Coinbase users can buy or sell using a bank transfer, credit card or debit card, while enjoying high liquidity.