The GranC project is a project that is directly led and authenticated by users through a centralized certification agency or a third-party (service provider) authentication program for identity confirmation, proof, and authentication.The platform's goal is to utilize the unique and inherent identity of users, improve the unreasonable service environment for users, return ownership of personal information assets to individuals, and provide user centered authentication and settlement services. And create a service implementation environment for DApps willing to participate in the platform ecosystem, build a diverse service ecosystem, and ensure a reasonable service and compensation ecosystem between users and service providers....