IOTX, a little-known altcoin, has more than doubled in value in the past week. IOTX is the native asset for IoTeX Blockchain, a smart contract platform designed to power decentralized apps and connect Internet of Things (IoT) devices. The asset soared from $0.10 on November 8th to a high of $0.25, representing gains of 150% while surpassing a $2,000,000,000 market cap.