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A Israeli man buys Bitcoins at the first Bitcoin ATM machine installed in the Middle East on June 11, 2014 at the Town-House TLV hotel in the Mediterranean coastal city of Tel Aviv. Bitcoin is a form of cryptography-based e-money that can be stored either virtually or on a user's hard drive, and offers a largely anonymous payment system. AFP PHOTO / JACK GUEZ (Photo credit should read JACK GUEZ/AFP/Getty Images)

A Israeli man buys Bitcoins at the first Bitcoin ATM machine installed in the Middle East on June 11, 2014 at the Town-House TLV hotel in the Mediterranean coastal city of Tel Aviv. Bitcoin is a form of cryptography-based e-money that can be stored either virtually or on a user's hard drive, and offers a largely anonymous payment system. AFP PHOTO / JACK GUEZ        (Photo credit should read JACK GUEZ/AFP/Getty Images)