A Privacy-Protecting Multi-Coupon Scheme with Stronger Protection against Splitting

Liqun Chen, Hans Löhr, Mark Manulis, Ahmad-Reza Sadeghi, Alberto Escalante

11th International Conference on Financial Cryptography and Data Security (FC 2007), Scarborough, Trinidad and Tobago, February 12-16, 2007. Revised Selected Papers, volume 4886 of Lecture Notes on Computer Sience (LNCS), pages 29-44. Springer Verlag, 2007.
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tags: coupon, loyalty, privacy, unlinkability, unsplittability