Explara provides you the facility to use the Explara Event Manager App to scan the QR/ Barcode printed on the confirmation email and the ticket.
This helps you validate the genuine attendee from the trespassers . This functionality is available to you in both Web and as a Mobile App.
Links to the download the Mobile App
Android - https://play.google.com/store/apps/details?id=explara.eventmanager&hl=en
iOS - https://itunes.apple.com/in/app/explara-event-manager/id1016491330?mt=8
To use this, you can either plug-in Bar Code / QR code scanner with your laptop and use web version on the day of the event. Or, you can use the Mobile App, and use the mobile camera as a scanner.