Coinbase is one of the most popular ways to buy Bitcoins, and it is now looking to take the ease of use that it provides one step further. Coinbase offers fiat onramps, or the ability to purchase coins with traditional fiat currencies. In this guide we will cover purchasing with a debit card or with a bank account. If this method fails, or if you cannot find your bank, you can manually add your bank account by giving your routing number. Coinbase offers 3 payment methods: Debit card, bank account, or wire transfer. This table compares Coinbase to other popular credit card exchanges.