As Bitcoin miners drop off the network due to the crackdown in China, the algorithm adjusts mining difficulty down 28% to make the process more profitable (MacKenzie Sigalos/CNBC)

MacKenzie Sigalos / CNBC:
As Bitcoin miners drop off the network due to the crackdown in China, the algorithm adjusts mining difficulty down 28% to make the process more profitable  —  - More than 54% of bitcoin's hashrate, which is the collective computing power of miners worldwide, has dropped off the network since its market peak in May.