Best for Quick and Easy Transactions: Coinmama. Buy Bitcoin Worldwide receives compensation with respect to its referrals for out-bound crypto exchanges and crypto wallet websites. Robinhood started as a fee-free stock brokerage and recently expanded into the world of digital currencies. Coinbase charges 3. Dollars or Euros. This site uses Akismet to reduce spam. However, users may advertise trades for whichever payment method they prefer.