A person touches the screen of a bitcoin ATM of Bitchain Spanish company in a shopping center in Barcelona on July 10, 2015. Bitchain Spanish company sent today to Athens a bitcoins ATM that will allow Greek citizens who use this digital currency to withdraw up to 1,000 euros in cash helping them skip the 'corralito' (currency controls) the company said. AFP PHOTO / JOSEP LAGO        (Photo credit should read JOSEP LAGO/AFP/Getty Images)