IOTW, a Big Data unifying system built on a native blockchain using Proof of Assignment (PoA) protocol, makes accessing data from a cross-section of IoT devices and applications simple and efficient. Its IoT Blockchain infrastructure using PoA connects all IoT devices globally, creates passive income in the form of micro-mining, and allows for the development of decentralized applications on IoT devices. Its testnet has been launched on 12th December 2018. IOTW mission is to establish a data ecosystem for IoT devices based on blockchain, enabling the direct exchange of big data between consumers and manufacturers to ultimately improve people’s lives.