Making Electronic Refunds Safer
نویسنده
چکیده
We show how to break an electronic cash protocol due to van Antwerpen (a refinement of the system proposed by Chaum, Fiat, and Naor), and give an alternative protocol that fixes the problem.
منابع مشابه
Making Electronic Refunds Reusable
Electronic check schemes provide more convenient way for clients to buy goods than electronic coin schemes. However, difficulties in making a refund reusable and in representing the face value of a check have discouraged its development. In this paper, a new online electronic check system is presented, which solves the above problems. This system uses the partially blind signature to provide us...
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