At a time of intense competition in the bitcoin mining space, Nasdaq-listed crypto mining firm, Riot Blockchain, is ramping up operations. The company has purchased over 4,000 Bitmain Antimer S17 Pros for its Oklahoma mining facility in the last month. Riot Blockchain Bought 3,000 Bitmain Miners on Dec 4 You may not have heard of Riot Blockchain (NASDAQ: RIOT), but it’s one of the few Nasdaq-listed companies in the U.S. dedicated to cryptocurrency mining. TheRead MoreThe post Bitmain Supplies 4,000 Antminer S17 Pros to Nasdaq-listed Company appeared first on Bitcoinist.com.