Five crypto mining publicly traded US companies mined a total of 1,802 bitcoins (BTC) in July – amount 58% higher than in June. Digital Marathon (MARA), Riot Blockchain (RIOT), Argo Blockchain (ARB.L), Bitfarms (BITF) and Hut8 (HUT.TO) had a productive month of July, even if they did not materially increase their hashe power, according to production updates from each miner released this week. The increase in production was largely due to the fact that the bitcoin network last month witnessed the greatest difficulty to date in mining the cryptocurrency, after China issued in June suspension orders for local operations. bitcoin…