Cleanspark, a Nevada-based energy technology and clean bitcoin mining firm, has announced the purchase of 4,500 Bitmain-brand Antminer S19 bitcoin mining rigs. The company says the mining devices were purchased by leveraging a portion of the company’s bitcoin holdings. Cleanspark Purchases 4,500 ASIC Mining Rigs From Chinese Manufacturer Bitmain The publicly-listed bitcoin mining firm Cleanspark […]