The repository is a RESTful API built with Go, utilizing the `chi` package for routing and PostgreSQL as the database. The API provides user authentication and management features, including registration, sign-in, profile updates, and administrative functions such as blocking, unblocking, updating user profiles, and managing user rights.

This is designed for preparation or conducting school-level college quiz competitions. It includes three login roles: Admin Coordinator User (student or employee) The system also features an option to generate digital certificates, which include QR code verification. Participants who score less than 40% on the quiz will receive a manual cert.