The concept of the DYChain Dysprosium Coin project is to build an IoT data ecosystem. DYChain Dysprosium Coin is a fusion of the Internet of Things theory and blockchain technology, committed to creating a big data blockchain that connects everything. Dy coin stores the data of participants in the Internet of Things at every stage, achieving free asset conversion; At the same time, Dy Coin utilizes the characteristics of blockchain to establish a technology-based trust system for basic data: in Dy Coin, due to the immutability and traceability of data, participants have absolute trust in the fairness mechanism of transactions, ensuring the normal operation of transactions. Dysprosium coin has facilitated the assetization of commodity circulation data in the Internet of Things, overturning traditional methods of data acquisition....