Bitcoin hash rate returns to all-time high levelsAfter the global hash rate of Bitcoin dropped to as low as 84 EH/s in June, the network has since recovered to sit at around 175 EH/s this week.The global hash rate of the Bitcoin network tanked to as low as 84 exahashes per second (EH/s) at the start of June following the Chinese government’s crackdown on the crypto mining sector.