Marathon Digital (NASDAQ:MARA) filed a $750M mixed shelf registration in which it may sell common stock, preferred stock, warrants, units or a combination of those securities from time to time to raise capital to buy bitcoin mining servers. The bitcoin mining company said it plans to use a "substantial portion" of the net proceed to purchase the servers. The rest would be used for general corporate purposes. Marathon Digital (MARA) shares edge down 0.1% in after-hours tradng. Earlier this month, Marathon Digital (MARA) said it mined 462.1 bitcoins in January, down 5% from December. In December, it announced the purchase of 78,000 next generation Antminer S-19 XP Miners from Bitmain.
