According to The Block, Bitcoin mining company CleanSpark dug up a total of 697 bitcoins in January, doubling the output from the previous month. The company’s mining hash rate reached 6.6 EH/s, up 7% month-on-month, having ramped up capacity after acquiring multiple sites and thousands of machines from struggling miners at discounted prices last year.

The company sold 624 bitcoins ($11.9 million) in January to fund operations and growth. As of January 31, it held 301 bitcoins.