Datamall Chain is an open source blockchain platform with DMC tokens as utility tokens. It aims to stimulate real data transactions in Web3, provide a stable, reliable and secure decentralized storage infrastructure for Web3, and enable users to store and exchange data safely. By combining the decentralized nature of blockchain technology with the automation capabilities of smart contracts, DMC provides a novel solution that emphasizes data ownership and reliable data transactions. In the industry, DMC has achieved a breakthrough milestone by realizing the real rights of data storage, allowing users to have ownership and control over their data. In addition, DMC uses the Nash consensus to apply the supply and demand market mechanism to blockchain technology for the first time. In DMC, anyone can provide storage services and get rewards by sharing their own hard disk and bandwidth resources. In addition, anyone can easily, quickly and safely use DMC's storage services and obtain corresponding rewards.