Riot Blockchain Announces Production and Operations Updates and Purchase of Bitmain S19j Antminers for October 2021 Delivery Q4 2020 Production of 302 Bitcoin, January 2021 Production of 125 Bitcoin, February 2021 Production of 179 Bitcoin March 15, 2021 08:45 ET | Source: Riot Blockchain, Inc. Riot Blockchain, Inc. Castle Rock, Colorado Castle Rock, CO, March 15, 2021 (GLOBE NEWSWIRE) -- Riot Blockchain, Inc. (NASDAQ: RIOT) ("Riot”, “Riot Blockchain” or the “Company"), one of the leading Nasdaq listed public bitcoin mining companies in the United States, announces an operations update that includes unaudited bitcoin (“BTC“) production update through February 2021 and updated miner acquisition and delivery activity. Production Update The Company produced 302 newly mined BTC during Q4 2020 and 1,005 newly minted BTC during the year ended December 31, 2020.