The base currency is QTUM; the counter currency is USD. The QTUM/USD pair includes a major traditional currency – the American dollar – and a cryptocurrency – qtum. Qtum was founded by a Singapore-based team. It is both a digital coin and a blockchain technology which aims to improve interoperability of Bitcoin and Ethereum and securer smart contracts. The solution enables 120 seconds block time. At Capital.com you can explore the QTUM/USD chart and get instant info on the QTUM/USD rate.