Gemini clients can currently trade bitcoin and ethereum, though there is some speculation the exchange will expand to include other cryptocurrencies. The exchange is open 24 hours a day, seven days a week.
Bitcoin is a decentralized digital currency, or cryptocurrency, based on a peer-to-peer network and can be exchanged through computers internationally without a financial intermediary. The system was first introduced by an unidentified programmer or group under the name of Satoshi Nakamoto in 2009.
For more information on the cryptocurrency, visit our Bitcoin category.