On December 31, 2019, Tyler Winklevoss and Cameron Winklevoss, founders of the cryptocurrency exchange Gemini, wrote that in the past 10 years, we have ushered in the birth of Bitcoin and cryptocurrencies. The 2020s will be the decade of cryptocurrencies, at which time there will be many significant developments that will drive large-scale adoption of the industry. 2019 is a constructive year for Gemini and the industry. The article reviews the performance of Gemini in 2019. Highlights include the launch of Gemini Custody to expand qualified custody services and support for 18 cryptocurrencies (more will be launched in 2020); selected by State Street Bank as a new digital asset pilot; completed SOC 2 Type 1 inspection, currently undergoing SOC 2 Type 2 inspection; release of sub-accounts; opening office in Chicago; first acquisition, acquisition of NFT trading and management platform Nifty Gateway; launch of fully electronic cryptocurrency OTC clearing and settlement Solutions Gemini Clearing, etc.