Turning an option on in the backend and just scanning and scanning and scanning, and in the end have a complete list of who appeared at the event and who did not. I dream!!
That is actually the plan for these qrcodes, because of this they contain the booking id.. working on a solution to sign them in when they are scanned by logged in organizers (unique through uuid & task=sign in url), so the qr codes are going to contain a URL in the near feature - if a participant scans them they are redirected to their bookings page with their details, when the organizer scans it they are booked in.
Best regards
Yves