Source: Cointelegraph.com NewsCleanSpark joins MARA Holdings, Riot Platforms and Hut 8 Mining Corp as a major listed Bitcoin mining firm with 10,000 Bitcoin or more on its balance sheet.Read MoreCleanSpark, Zach Bradford, Bitcoin Holdings, Balance Sheet, Bitcoin Miner, Maintenance Cost, Payroll, MARA Holdings, Riot Platforms, Hut 8 Mining Corp