Odaily News Bit Digital and Iris Energy released their Bitcoin (BTC) mining data for the past three months. Despite the increase in computing power, the Bitcoin output of the two companies has been on a downward trend since April. Data shows that Bit Digital mined 119.3 BTC in April, 63.3 BTC in May, and 61.7 BTC in June. Iris Energy's output in the same period was 358 BTC, 230 BTC, and 233 BTC respectively. In addition, Argo Blockchain mined 99 BTC in April, 45 BTC in May, and 44 BTC in June. (Cryptoslate)