Blockchain: Bitcoin (POS) + Ethereum's Virtual Machine

Desktop and mobile wallets: Qt, Java Android, Objective-C iOS

Explorer and web wallet: Node.js, React API: C++, Node.js

Current market cap is close to $1b. Combining a modified Bitcoin Core infrastructure with an intercompatible version of the Ethereum Virtual Machine (EVM), Qtum merges the reliability of Bitcoin’s unfailing blockchain with the endless possibilities provided by smart contracts.