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