CA, as a data asset issued on the CA-Chain chain, is closely related to the data circulating in the pet market and even directly linked to the data assets of pet owners. It has huge application value and market value. Through the dPOS mining model and The precisely designed economic circulation method will bring a lot of value back to many partners and users participating in CA-Chain. CA is used as an incentive certificate and a circulation certificate for various contributors and participants on the CA-Chain. At the same time, it is also used as a project vote, so that CA holders can heavily participate in the important selection of the project and promote CA-Chain. The healthy and long-term development of the Chain project.