If you don’t have a wallet yet, learn how to get a Bitcoin wallet now. Purchases with a credit or debit card add on a 2. We may receive compensation when you use Coinbase. The wallet applies the same principle as the mobile wallet. Since February , Robinhood supports Bitcoin and Ethereum trades and market data for another 15 currencies. Bank transfers are slow in many countries, so bank transfer is often the slowest way to buy bitcoins.