Gemini Type Cryptocurrency exchange Location New York City, New York, United States Coordinates 40°44′57″N 73°58′33″W﻿ / ﻿40.749256°N 73.97584°W﻿ / 40.749256; -73.97584[1] Founded October 25, 2015; 7 years ago (2015-10-25) Owner Gemini Trust Company, LLC Key people Cameron Winklevoss (Co-founder) Tyler Winklevoss (Co-founder) Currency Cryptocurrencies,[2] Fiat currencies[3] Website www.gemini.com