Gemini dollar is a digital currency that's worth the same as the U.S. dollar and it can be used on a computer network called Ethereum. It's made by a company in New York and the U.S. government keeps an eye on it to make sure it's safe. You can trade your regular U.S. dollars for Gemini dollars on their website and withdraw them to your Ethereum account. Gemini dollar is expected to be available on another website called Bibox soon.