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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. 
EXMO is a cryptocurrency platform which enables users to carry out financial transactions with each other in cryptocurrency. A lot of important key facts about the exchange is found on the About Us page. The Exmo exchange was founded in 2013. It is based in London. The physical address is EXMO EXCHANGE LTD. 41 Corsham St, London, United Kingdom.
DOBI is a digital asset trading platform. Apart from the English version, the website has also Chinese and Portugese versions.