This comprehensive guide outlines the process of creating an authenticated chat application with roles and permissions using technologies like React, Next.js, Ably, and Clerk. The tutorial covers essential features such as message transmission via WebSockets, a dynamic online user list, and secure moderator roles for restricted channels. The frontend is built with React, styled using Tailwind and shadcn/ui, while Ably is used for serverless WebSocket management and Clerk for authentication and user management. It also delves into creating a flexible and secure chat environment by implementing a backend endpoint for generating Ably-compatible JWT tokens, allowing authenticated users to connect to specific channels. The application features include channel-switching, message history, presence tracking for active users, and the ability for moderators to delete messages, all while adhering to security best practices. The guide emphasizes the integration of frontend and backend technologies to build a robust, scalable, and secure chat application, offering readers the complete source code and instructions for local deployment.