Some help you convert your bitcoins into fiat currencies, while there are also some that help with both! Some Bitcoin ATMs will only allow for the buying of Bitcoin while others have both a buy and sell functionality. Bitcoins aren’t printed, like dollars or Euros. A team of Blockchain and Cryptocurrency experts lead by Harsh Agrawal. A Bitcoin wallet is a digital storage space that allows you to hold or spend your Bitcoin. Before that, however, a short introduction of a Bitcoin ATM is important.