Zarfa

Built to solve a real problem: $200B in VAT goes unclaimed annually due to long airport queues and missed flights

Instant VAT refunds through MetaMask scan QR, confirm transaction, receive MON tokens instantly

Bulk payroll processing with AI-powered compliance layer for jurisdiction-aware tax calculations

Google Gemini AI integration for automated document validation and receipt processing

NestJS microservices backend with PostgreSQL, Redis queues, and real-time Socket.IO updates

Monad blockchain provides ~1s finality and low transaction costs for enterprise-scale payments