Learn more about RockItCoin in the Press. Related Stories. Share Now on:. Learn more about Bitcoin in our comprehensive knowledge base, or submit a ticket if there’s something we didn’t cover Read more. Bitcoins used as a unit of value and a payment system. All that is needed to purchase bitcoin from one of our bitcoin ATMs is a bitcoin wallet and cash. Depending on the wallet you are using the wallet may require confirmations before the bitcoin is actually deposited in your wallet and spendable.