Cryptocurrency exchanges scramble to drop Chinese users after ban

Beijing's new blanket ban on all cryptocurrency trading and mining - the broadest yet by a major economy - has sent crypto exchanges and service providers scrambling to sever business ties with mainland Chinese clients.

Shares in a range of Chinese crypto-related firms plunged on the ban which closes off loopholes left in previous regulatory crackdowns on the sector.

Industry executives noted, however, that many companies had already...