---
title: "QR code access control and check-in: the complete guide"
description: "How QR code access control works for an event: instant validation, anti-fraud, anti-duplicate and real-time entry tracking with MboaTickets."
lang: en
canonical: https://mboatickets.com/en/ressources/qr-code-access-control.md
updated: 2026
---

# QR code access control and check-in: the complete guide

**TL;DR:** QR access control means scanning each ticket's QR at the door to validate entry in one second. Each ticket is unique and usable only once, blocking duplicates and fraud. With MboaTickets, scanning updates entry tracking in real time.

## What is QR check-in?
Each MboaTickets ticket carries a **unique, named QR**. At the door an agent scans it:
- **valid and unused** → entry allowed;
- **already scanned** → refused (anti-duplicate);
- **invalid** → refused (anti-fraud).

Validation is **instant**, keeping the queue moving.

## Why it matters
- **Secures revenue**: no reused screenshot or photocopy gets in.
- **Speeds up entry**: a one-second scan replaces manual list checking.
- **Provides data**: real attendance and peak arrival times.
- **Looks professional**: an organized door sets the tone.

## Organizing your door

| Peak arrival | Recommendation |
|---|---|
| Up to ~300 | 1 scan point |
| 300 – 1,000 | 2–3 scan points |
| 1,000+ | Multiple points + separate VIP lane |

Add clear signage, test gear the day before, and prepare a fallback procedure.

## What gets blocked
- **Duplicates**: same QR scanned twice → refused on second pass.
- **Reused screenshots** → refused.
- **Forged tickets**: a QR not issued by the system is invalid.

## Real-time tracking
During the event, the organizer watches **validated entries** rise against tickets sold — useful to manage flow and communicate.

## FAQ
**Does scanning need internet?**
The setup is designed for reliable on-site operation; the team prepares the configuration with you.

**Who scans the tickets?**
Your door staff, using the device configured by MboaTickets.

**What if an attendee lost their ticket?**
It's in their WhatsApp chat; the team can also resend it.

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