Robinhood is mobile first and just recently added a Web version, so it is best for people comfortable managing money from their phone or tablet. Check out our OTC cryptocurrency trading guide to find out how buying OTC works as well as the benefits and risks you should be aware of. They tend to offer lower fees than brokers and provide access to a more diverse range of coins. Please visit LocalBitcoins for its exact pricing terms. Money transfer speeds. Brokers offer the quickest and easiest way to buy Bitcoin, allowing you to pay for your digital coins using fiat currency like USD. The final step is to submit an order through your chosen platform.