Mobile app: -
Compare with
GBX Digital Asset Exchange is registered in Estonia offering crypto trading and fiat onboarding opportunities. GSX group unites several companies, including the Gibraltar Stock Exchange. 
XT.com is a centralized cryptocurrency exchange set in 2018 in Hong Kong. Available markets are: BTC, SXC, USDS, XT.
Based in the British Virgin Islands and Operated by BTC King Technology Co., Ltd, BKEX is a multi cryptocurrency Exchange.