North American mining company Marathon Digital’s revenue in the second quarter, was US$29.3 million, an increase of 220% from the previous quarter and an increase of 10147% from US$286,000 in the same period last year. In the second quarter of the Marathon, 654 bitcoins were dug up, and the total number of bitcoins dug up in the first half of this year reached 846. In addition, its investment fund bought 4812.66 BTC in January 2021 at a price of approximately US$150 million, and its fair value increased by US$16.9 million in the first six months of 2021.