I recently learned ff and helped me create the first part of this idea. The Ludus app is a transformative sports platform that leverages blockchain technology to decentralize the sports industry and empower athletes, coaches, and sports enthusiasts. It features a user-friendly Web 2.0 app with a live calendar, geolocation-based matchmaking, and an ELO rating system for athletes. The app also includes a unique coaches feature, allowing users to find and schedule training with local coaches.