Non-Functional Requirements

Security

Zero-trust architecture; device is primary authority
E2EE for messaging
Local Trust Vault encryption (AES-256, hardware secure enclave, user-controlled deletion)
Device-bound identity, hardware-backed keys, biometric gated access

Performance

Barcode verification < 1 second
Search responses < 200 ms
Marketplace handling 50k concurrent users

Reliability

99.9% uptime
Auto-scaling cloud infrastructure

Usability

Multilingual support
Fully accessible (WCAG AA)

Scalability

Microservices architecture
Horizontal scaling via Kubernetes

Future Enhancements

AI Mufti assistant (verified scholars only)
Auto Zakat reminders
Halal nutrition scanner
Voice-first barcode scanning