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CREX24 is a mostly Russian-speaking cryptocurrency exchange platform. The exchange was founded in 2017. It provides an opportunity to trade Fiat currencies. There is a wide list of available currencies. Furthermore, the traders can trade Bitcoin for USD, EUR, JPY, CNY and RUB. Digibyte can be traded for euros and XGOX can be traded for USD. Yet, it's not possible to trade cryptocurrencies vs Fiat currencies if you are located in Europe or United States.
Coinall is a Malta-registered exchange and a strategic partner of OKEx. The exchange offers multiple pairs for trading, including stablecoins and quality tokens.
Huobi is a cryptocurrency exchange founded in China in 2013. Currently, Huobi is based in Singapore because this country has friendlier cryptocurrency regulations. The company is registered in  Seychelles. Before leaving China due to a cryptocurrency ban, the exchange was responsible for 90% of Bitcoin trading volume in this country. Now Huobi is an international platform with offices located in Singapore, Hong Kong, the United States, Japan, and Korea. In China, the company provides blockchain consulting services. Huobi has sub-exchanges: Huobi Korea, Huobi US, etc. Huobi Global is the biggest Huobi exchange. In November 2019 Huobi Global had to shut down all the accounts belonging to the US customers due to strict cryptocurrency regulations of the USA.