Explore the development of a canister-based backend that facilitates secure user authentication using Gmail, integrated with NFID, a decentralized identity and Internet Computer (ICP) wallet provider. This project demonstrates an efficient solution for managing user login, registration, and wallet connections within the ICP ecosystem. By leveraging NFID, it showcases decentralized identity features and wallet integration, providing a smooth user experience while ensuring data security and persistence across the ICP network.