DataHighway Node. A blockchain being built with Substrate to become a parachain on the Polkadot network. Planned features include a decentralized LPWAN roaming hub for LoRaWAN IoT devices and network operator roaming agreements, participative mining, an inter-chain data market, and DAO governance. http://www.datahighway.com
https://github.com/paritytech/substrate/commit/732f0371c2d4da7b0ec326c681e0c1d360fc1bd8