Bans on all cryptocurrency trading and mining in Beijing, the most comprehensive ever imposed by a major economy, have caused cryptocurrency exchanges and service providers to cut ties with mainland Chinese customers. The ban, which closes regulatory loopholes left by previous crackdowns on the sector, sent shares of several Chinese crypto-related companies plunging. Executives in the industry, on the other hand, pointed out that numerous firms had already delocalized significant portions of their operations. It was previously unclear whether or not overseas exchanges could provide services to mainland investors via the internet, but ten influential Chinese government bodies said in...