Live Demo

See how the system works for each role

Welcome to Admin Demo
Click "Next Step" to see how an admin generates vouchers
Security Attack Simulator

How SHA-256 identity binding prevents common QR attacks

🔄
QR Duplication
Copying QR for different student
✅ PREVENTED
⏱️
Replay Attack
Scanning same QR twice
✅ PREVENTED
🏪
Vendor Mismatch
Wrong vendor scans QR
✅ PREVENTED
✏️
Tampering
Modifying QR data
✅ PREVENTED
System Impact
0
Total Vouchers
0
Redeemed
RM 0
Total Value
0
Attacks Blocked