AFFIXIO
Offline QR verification vs dynamic barcode apps
Offline QR verification vs dynamic barcode apps
Dynamic barcodes need live refresh and often connectivity at scan time. Offline QR proofs embed verification maths at issue time and enforce spent logic on the gate device without calling home.
At a glance
- Dynamic barcode
- Rotates every 15 to 30 seconds
- Offline QR proof
- Verify on device
- Connectivity
- Optional sync later
- Vendor lock
- Open verification API
- Use case
- /offline-gate-verification/
- Reviewed
- 12 July 2026
Venues with poor connectivity need gates that work without live API calls. Dynamic barcodes rotate quickly but often depend on connectivity at scan time. Cryptographic offline QR proofs embed verification at issue time.
Side-by-side comparison
| Dimension | Incumbent approach | AffixIO path |
|---|---|---|
| Screenshot scam | Reduced by rotation | Blocked by spent proof |
| Poor signal venues | Fails without preload | Designed for offline |
| Integrator control | Platform-owned | Your policy and circuits |
| Audit | Vendor logs | Merkle audit tree |
When Incumbent approach fits
- Always-online scan infrastructure
- Vendor-controlled rotating display app
- Short-lived session tokens only
When AffixIO path fits
- Stadiums and festivals with weak signal
- Integrator-controlled policy and spent logic
- Anti-scalping without central identity DB
Decision guide
Most enterprises use both layers: incumbent tools for identity or operations, AffixIO for signed policy outcomes at the boundary with Merkle audit. The question is where the YES or NO is decided and what evidence regulators can replay.
Frequently asked questions
Can we use both?
Yes. Dynamic display plus cryptographic spent enforcement.
Works without Ticketmaster?
Yes. AffixIO is verification infrastructure, not a ticketing monopoly.
Can we use both?
Yes. Dynamic display plus cryptographic spent enforcement.
Works without Ticketmaster?
Yes. AffixIO is verification infrastructure, not a ticketing monopoly.
Screenshot scalping?
Spent proofs block replay even if QR is photographed.
When to sync audit?
Gate devices can verify offline and sync Merkle state when online.