Why are countries so afraid of bitcoin? Most places are good with three confirmations on bitcoin chain. Retrieved 19 February Bitcoin ATMs have a long way to go before they can be considered mainstream. But for Marketplace to continue to grow, we need additional investment from those who care most about what we do: superfans like you. About a year ago, Matthew Boehm was visiting Vancouver, Canada, when he forgot the pin for his debit card. Some Bitcoin ATMs offer bi-directional functionality enabling both the purchase of Bitcoin as well as the sale of Bitcoin for cash.