BY JAKE DEAN AND NITISH PAHWA JUNE 28, 2021 10:30 AM Grindi/iStock/Getty Images Plus TWEET SHARE COMMENT China was at one point home to nearly three-quarters of the world’s total Bitcoin production . But now it’s cracking down on the highly popular cryptocurrency, with state media claiming that 90 percent of its mining operations closed on June 21. In response, the value of the currency has been going haywire, dropping that day to $28,680 , its lowest level in a month, before rebounding to nearly $33,000 by Tuesday. But instability continues to loom due to a concurrent slide in demand; the U.S. Federal Reserve’s announcement of possible interest rate hikes by 2023 may have additionally spooked investors. At any rate, China’s enterprising miners, who once had entire countryside regions and dedicated power plants for their use, are striking out West for new opportunities in countries embracing digital currencies. While na...