https://www.wired.com/story/china-says-bitcoin-wasteful-wants-ban-mining/

China’s bitcoin miners have long embodied a contradiction. Cryptocurrency trading is illegal in the country; initial coin offerings, used to fund new blockchain projects, are banned; and Chinese banks can hardly touch the stuff. And yet somehow the country has remained the epicenter of global cryptocurrency mining, home to more of the computing power used to mint new bitcoin than any other country.

Now the Chinese government has proposed to ban mining.