Welcome to Reddit, the front page of the internet. Coinbase lets you buy bitcoins instantly with a credit card or debit card. Become a Redditor and join one of thousands of communities. Out of the exchanges we listed, CEX. My card isn’t authorized. You can use the home page tool to narrow down more exchanges. The banks expressed their dissatisfaction with Bitcoin by banning the use of credit cards in buying the BTC and other digital assets.