Your application is designed to validate QR code coupons. Users can scan QR codes on coupons using their smartphone camera or another scanning method. Once the QR code is scanned, the application verifies the authenticity and validity of the coupon.The app uses decoding algorithms to extract information from the QR code, such as expiration date, associated discount or special offer, terms of use, etc. This information is then compared to a database of valid coupons to determine if the coupon is legitimate.If the coupon is valid, the app can generate a visual or audible confirmation to inform the user that the coupon has been accepted. It may also display details of the applicable offer or discount. If the coupon is invalid or expired, the application may display an error message and explain the reason for refusal.
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