Production Of Bitcoins By Mike Caldwell of Casascius

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Mike Caldwell, of Casascius, prints holograms for Bitcoins that he... News PhotoBitcoin,Computer,Computer Equipment,Currency,Finance,Horizontal,Internet,North America,Technology,The Americas,Trading,USA,UtahPhotographer Collection: Bloomberg 2013 BloombergMike Caldwell, of Casascius, prints holograms for Bitcoins that he makes at his home in Sandy, Utah, U.S., on Friday, April 12, 2013. Created four years ago by a person or group using the name Satoshi Nakamoto, Bitcoin is a virtual currency that can be used to buy and sell a broad range of items -- from cupcakes to electronics to illegal narcotics. Photographer: George Frey/Bloomberg via Getty Images