1. Preserving privacy in location based mobile coupon systems using anonymous authentication scheme;Ahmadi,2016
2. A system of secure virtual coupons using NFC technology;Aigner,2007
3. Formal security analysis of NFC m-coupon protocols using casper/FDR;Alshehri,2013
4. Formally defining nfc m-coupon requirements, with a case study;Alshehri,2013
5. Formal security analysis and improvement of a hash-based nfc m-coupon protocol;Alshehri,2014