**Ostras: The "Waze" that fights Food Waste! **Ostras is developing a B2C app that gives real-time information on discounts, helping users take advantage of supermarket markdowns that often go unnoticed, leading to significant food waste. It’s Europe’s first solution that uses crowdsourcing to reduce food waste.Ostras empowers users to rescue near-expiration products, upload their receipts, and they get rewarded once we verify the data. Using this data, we create real-time maps and AI-generated shopping lists to help users save money and also shop more sustainably. Ostras turning responsible shopping into a rewarding experience.