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A picture taken on February 6, 2018 shows a visual representation of the digital crypto-currency Bitcoin, at the 'Bitcoin Change' shop in the Israeli city of Tel Aviv. / AFP PHOTO / JACK GUEZ (Photo credit should read JACK GUEZ/AFP/Getty Images)

A picture taken on February 6, 2018 shows a visual representation of the digital crypto-currency Bitcoin, at the 'Bitcoin Change' shop in the Israeli city of Tel Aviv. / AFP PHOTO / JACK GUEZ        (Photo credit should read JACK GUEZ/AFP/Getty Images)