Fair anonymous rewarding based on electronic cash
Journal of Systems and Software
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In this paper, we propose a secure rewarding scheme.In the scheme, a reward provider publishes a problem,and provides a reward for a person who can supply hima satisfactory solution of the problem. The first qualified claimant with satisfactory solution of the problemis selected to obtain the reward. The selected claimantcan obtain the reward from the reward provider with-out revealing his identity. Nobody except the selectedclaimant can get the reward, and the provider cannot decline the selected claimant his entitled reward.In addition, we also propose another secure rewarding scheme with two-way untraceability to protect theprivacy of the reward provider as well.