Hdac is a blockchain based platform backed by Hyundai BS&C. The platform allows IoT devices to quickly and effectively communicate, handling identity, authentication, data storage and micro-payments. Hdac will develop a new blockchain based on multichain capable of handling the scale and contract functionality required for an IoT platform, as well as bridges to Bitcoin and Ethereum to facilitate payments. IoT devices powered by Hdac will mean more actionable data to improve lives, businesses and governments. It differs from other IoT offerings by the convergence of the private blockchain and the public blockchain which creates a faster transaction speed.