After China's abrupt and strict withdrawal from the crypto market, the largest economy in the world has now taken the top position in cryptomining as it provides about one third of the global Bitcoin hashrate.
https://www.notebookcheck.net/After-China-s-crypto-ban-the-U-S-has-taken-the-lead-in-cryptomining-as-it-provides-35-of-the-global-Bitcoin-hashrate.572275.0.html