The concept of the DYChain dysprosium coin project is to build an IoT data ecosystem. DYChain is a combination of the Internet of Things theory and blockchain technology, and is committed to creating a big data blockchain that connects everything. Dybicoin stores the data of the participants in the Internet of Things in each link to realize the free conversion of assets; at the same time, Dybicoin has established a technology-based trust system for basic data with the help of the characteristics of the blockchain: that is, in Dybicoin, Dybicoin, Since the data is non-tamperable and traceable, participants have absolute trust in the transaction fair mechanism, which ensures the normal operation of the transaction. Dysprosium coins facilitate the assetization of commodity circulation data in the Internet of Things, subverting the traditional methods of data acquisition.