QR Code Payments: Merchant Flows, Security Checks, and Customer Trust
Understand merchant-presented and customer-presented QR payment flows, then build controls for destination integrity, confirmation, fraud, and support.
Journal tag
QR Security
Physical tampering, account protection, destination integrity, abuse response, and user verification.
Tagged reading
2 focused guides
Physical tampering, account protection, destination integrity, abuse response, and user verification.
Event Ticket QR Codes: Design, Delivery, Validation, and Fraud Controls
Plan scannable event tickets from issuance through gate validation, with clear identity, offline procedures, mobile-wallet testing, and fraud controls.
Start with the moment
Define who scans, where, why, and what the first useful screen or phone action must deliver.
Protect the route
Use an owned domain, documented destination, strong access, and a plan for edits or retirement.
Test the final object
Verify the actual size, material, lighting, distance, device mix, and complete workflow.