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  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 nations like Kazakhstan are opening their virtual mines

  In the years leading up to their split, Bill and Melinda Gates have each dived into projects outside the scope of their foundation’s work, a trend that’s expected to accelerate post-divorce. For Melinda French Gates, 56, the divorce could mean that more resources will be focused on Pivotal Ventures, her 90-person incubation and investment firm largely focused on gender equality [File: Jasper Juinen/Bloomberg] By  Sophie Alexander and Ben Steverman Bloomberg 28 Jun 2021 In her first public appearance since her divorce announcement, Melinda French Gates traveled to the White House, leaders from her charity and investment firm in tow. She pressed Biden officials on two issues central to her priorities: paid family leave and child care. The same day this month, Bill Gates appeared in a virtual address to the United Nations Food and Agriculture Organization in Rome. Wearing his familiar sweater, collared shirt and glasses, the Microsoft Corp. co-founder spoke for nearly 11 minutes about t