The biggest downside is that Robinhood only works in 16 states for cryptocurrency trades, but it plans to add more in the future. When computers successfully add a block to the blockchain, they are rewarded with cryptocurrency. This is another mobile app where you can buy and sell Bitcoin with no fees. But first, there are two things you should know about me: I tend to be almost as afraid of losing money investing as I am of flying. Coinbase Pro offers options to make market orders, limit orders, and stop orders in addition to traditional buying and selling. Just like when you go to make a purchase online, you have options.