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SYDNEY, AUSTRALIA - SEPTEMBER 19: In this photo illustration, a customer pays for drinks at the Old Fitzroy Pub using bitcoins on September 19, 2013 in Sydney, Australia. The Old Fitzroy pub in Sydney's eastern suburbs will accept the digital currency, Bitcoin, as of Next Sunday. Using a smartphone and a QR code scanning application customers will be able to purchase beer and menu items at the bar. The Old Fitzroy is the first Australian pub to accept Bitcoin payment. (Photo by Cameron Spencer/Getty Images)

SYDNEY, AUSTRALIA - SEPTEMBER 19:  In this photo illustration, a customer pays for drinks at the Old Fitzroy Pub using bitcoins on September 19, 2013 in Sydney, Australia. The Old Fitzroy pub in Sydney's eastern suburbs will accept the digital currency, Bitcoin,  as of Next Sunday.  Using a smartphone and a QR code scanning application customers will be able to purchase beer and menu items at the bar. The Old Fitzroy is the first Australian pub to accept Bitcoin payment.  (Photo by Cameron Spencer/Getty Images)

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SYDNEY, AUSTRALIA - SEPTEMBER 19: A sign displaying Bitcoins accepted is seen on the front door of the Old Fitzroy Pub on September 19, 2013 in Sydney, Australia. The Old Fitzroy pub in Sydney's eastern suburbs will accept the digital currency, Bitcoin, as of Next Sunday. Using a smartphone and a QR code scanning application customers will be able to purchase beer and menu items at the bar. The Old Fitzroy is the first Australian pub to accept Bitcoin payment. (Photo by Cameron Spencer/Getty Images)

SYDNEY, AUSTRALIA - SEPTEMBER 19:  A sign displaying Bitcoins accepted is seen on the front door of the Old Fitzroy Pub on September 19, 2013 in Sydney, Australia. The Old Fitzroy pub in Sydney's eastern suburbs will accept the digital currency, Bitcoin,  as of Next Sunday.  Using a smartphone and a QR code scanning application customers will be able to purchase beer and menu items at the bar. The Old Fitzroy is the first Australian pub to accept Bitcoin payment.  (Photo by Cameron Spencer/Getty Images)

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SYDNEY, AUSTRALIA - SEPTEMBER 19: In this photo illustration, a terminal to accept payments using bitcoins is displayed on the bar at the Old Fitzroy pub on September 19, 2013 in Sydney, Australia. The Old Fitzroy pub in Sydney's eastern suburbs will accept the digital currency, Bitcoin, as of Next Sunday. Using a smartphone and a QR code scanning application customers will be able to purchase beer and menu items at the bar. The Old Fitzroy is the first Australian pub to accept Bitcoin payment. (Photo by Cameron Spencer/Getty Images)

SYDNEY, AUSTRALIA - SEPTEMBER 19:  In this photo illustration, a terminal to accept payments using bitcoins is displayed on the bar at the Old Fitzroy pub on September 19, 2013 in Sydney, Australia. The Old Fitzroy pub in Sydney's eastern suburbs will accept the digital currency, Bitcoin,  as of Next Sunday.  Using a smartphone and a QR code scanning application customers will be able to purchase beer and menu items at the bar. The Old Fitzroy is the first Australian pub to accept Bitcoin payment.  (Photo by Cameron Spencer/Getty Images)

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Bitcoins

Bitcoins

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Blue Computer Hacker

Blue Computer Hacker