How do challenges stay fair?

One scan per booth per person, optional staff-verified scans, cooldowns and daily caps, and an audit trail for every point.

• A booth can only be counted once per attendee per challenge.
• Staff-verified scans: only exhibitor staff can scan attendees, so nobody can scan a photo of a booth QR from home.
• Cooldowns and caps stop rapid-fire scanning.
• Every point has an audit trail you can review before drawing winners, and you can disqualify entries.

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