At most ATMs, no personal information is required. The large markup is simply the price buyers are willing to pay for an easy way to buy bitcoins privately. Cardtronics joins a list of U. The tech was mentioned alongside other digital payment methods, including apps like Venmo, that would reduce the need for people to carry cash. Disclosure Read More The leader in blockchain news, CoinDesk is a media outlet that strives for the highest journalistic standards and abides by a strict set of editorial policies.