Coinbase Global Inc., the biggest U.S. cryptocurrency exchange, plans to close its San Francisco headquarters next year and let employees continue to work remotely. This announcement on Twitter Wednesday wasn’t a complete surprise. A year ago, Chief Executive Officer Brian Armstrong announced the exchange would be “remote first” and not have a specific headquarters. Decentralization lies at the heart of crypto and in related businesses, many of which have employees spread all over the world and want to avoid regulation. Binance, the world’s biggest cryptocurrency exchange, also doesn’t have a headquarters. “Closing ... (full story)