FBC (Future business chain) leverages the public and transparent advantages of a public blockchain, incorporating Ethereums smart contracts to reduce the cost of business execution and make rules transparent. FBC (Future business chain), based on 5G information era, attempts to use the integration of Internet of Things (IoT) and finance as an entry point to create a global new IoT financial free trade platform, using blockchain as the underlying support for full ecological digitalization. FBC (Future business chain) combines blockchain technology, IoT technology with supply chain management methods, achieving traceability of IoT product information and traceability of global IoT commodity production and transportation.