Achieving Optimal Anonymity in Transferable E-Cash with a Judge

  title={Achieving Optimal Anonymity in Transferable E-Cash with a Judge},
  author={Olivier Blazy and S{\'e}bastien Canard and Georg Fuchsbauer and Aline Gouget and Herv{\'e} Sibert and Jacques Traor{\'e}},
Electronic cash (e-cash) refers to money exchanged electronically. The main features of traditional cash are usually considered desirable also in the context of e-cash. One such property is off-line transferability, meaning the recipient of a coin in a transaction can transfer it in a later payment transaction to a third person without contacting a central authority. Among security properties, the anonymity of the payer in such transactions has been widely studied. This paper proposes the first… CONTINUE READING
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