QR codes for events

Check-in, schedules, and session feedback in one scan.

If you want to know whether QR codes work at scale, look at events — the industry that has quietly standardized on them for fifteen years. Eventbrite built its ticketing on QR. IATA's Bar-Coded Boarding Pass (BCBP) standard, used by essentially every airline on the planet, is a QR code; your phone gets you through TSA because of a specification from 2005. Singapore's SafeEntry, at its pandemic peak, moved millions of check-ins a day through QR scans. The unglamorous reality is that QR has already won the events category — the question isn't whether to use one, it's which patterns still require human attention. After running badges through a few small conferences and watching larger ones operate, I'd argue three use cases are where organizers still get it wrong. Door check-in is solved technology if you buy off-the-shelf (Eventbrite, Hopin, Swapcard, Cvent); the failure mode is operational — badge design, lighting at the door, and iPad-versus-phone scanner choice. Networking via vCard QRs is genuinely useful and underused — most conferences default to 'exchange LinkedIns' which works for about 40% of the room and fails for everyone else. Session feedback is the pattern most organizers promise and then underdeliver on; the form is too long, the incentive is absent, and nobody on the events team looks at the results. The thing to watch out for, specifically at smaller events: don't reinvent what Eventbrite already does. If your event has fewer than 500 attendees, their off-the-shelf flow is better than anything you'll hand-roll in two weeks. Where QR codes help independent organizers is everywhere outside the core ticketing flow — venue wayfinding, session context, sponsor engagement, post-event follow-up. Those are where dynamic QR codes earn their place, because all of them change.