Qtum, QTUM, has been in circulation since 12/03/2017 and operates without requiring a single administration, such as a central bank. The decentralized digital currency is not mineable, so instead, you can purchase QTUM with a cryptocurrency exchange service. It adopts the pos consensus and POS 3.0
algorithm. To keep up to date with the latest news from Qtum, you can find them on Twitter, Facebook, Reddit and Telegram.