Gemini is only available to residents of the United States, Canada, Hong Kong, Singapore, South Korea and the United Kingdom. And it is one of the best exchanges. Gemini is an American crypto exchange founded by the famous Winklevoss brothers who are committed to making the cryptocurrency market safe and regulated. The site of the exchange is presented only in English, since the site operates in a limited list of countries and does not set itself the goal of becoming international. For the convenience of traders, applications for smartphones with iOS or Android are also available.Auctions are a distinctive feature of other exchanges. They allow you to conduct OTC transactions with very large volumes, more details about the auction mechanism can be found on the exchange website.