Kadena's public blockchain, Chainweb, is the only sharded and scalable layer-1 PoW network in production today. It utilizes a PoW (Proof of Work) consensus mechanism that improves throughput and scalability without sacrificing security.
William Martino and Stuart Popejoy, November 2018
William Martino, Stuart Popejoy, Monica Quaintance, January 2018
Monica Quaintance, William Martino, January 2018
Monica Quaintance, William Martino, Stuart Haber, Tarun Chitra, April 2019