Gemini | 384,559 followers on LinkedIn. Gemini is a next generation cryptocurrency platform that allows customers to buy, sell, stake, and store crypto. | Gemini Trust Company, LLC (Gemini) is a next generation cryptocurrency exchange and custodian that allows customers to buy, sell, stake, and store digital assets such as bitcoin and ether. Gemini is a New York trust company that is held to the highest level of fiduciary obligations, capital reserve requirements, and banking compliance standards. Gemini was founded in 2015, by brothers Cameron and Tyler Winklevoss, to build a bridge to the future of money.