Cryptocurrency mining rigs operate on shelves linked to cryptocurrency mining machines at the SberBit mining 'hotel' in Moscow Russia on Saturday Dec...
{"Image ImageDescription": "Cryptocurrency mining rigs operate on shelves linked to cryptocurrency mining machines at the SberBit mining 'hotel' in Moscow, Russia, on Saturday, Dec. 9, 2017. Futures?on the worlds most popular cryptocurrency surged as much as 26 percent in their debut session on Cboe Global Markets Inc.'s exchange, triggering two temporary trading halts designed to calm the market.?Photographer: Andrey Rudakov/Bloomberg via Getty Images", "Image Copyright": "? 2017 Bloomberg Finance LP"}