A brief history of cryptocurrency mining in China as authorities crack down on mining operations and miners in other countries cut into China's dominance (James T. Areddy/Wall Street Journal)

James T. Areddy / Wall Street Journal:
A brief history of cryptocurrency mining in China as authorities crack down on mining operations and miners in other countries cut into China's dominance  —  Crackdown warning highlights the cryptocurrency's reliance on a hostile host; miners head west  —  Bitcoin enthusiasts prize …