Visit pass or permanent profile QR?

Visitors who return frequently should not repeat the full registration every time. But convenience must not create a reusable key to the site.

The visit pass

Issued on approval, valid for one journey, rejected after exit or cancellation. Use it for entry and exit verification on that visit.

The profile code

A permanent V-XXXXXX reference that resolves to the visitor and their latest active visit. It is reprintable and useful at the gate, but it still requires an active approved visit.

Cards complete the picture

RFID cards are a third identifier. They move from available to assigned and release on exit, so a lost card cannot be used indefinitely.