Popular Courses. Traditional payment methods such as a credit card, bank transfer ACH , or debit cards will buy bitcoins on a bitcoin exchange using a bitcoin wallet as a depository. It follows the ideas set out in a whitepaper by the mysterious Satoshi Nakamoto, whose true identity has yet to be verified. Personal Documents: The U. Bitcoin Basics. For instance, while credit and debit cards are among the most user-friendly methods of payment, they tend to require identification and may also impose higher fees than other methods. However, exchanges will let you buy any amount, and you can buy less than one bitcoin.