Abstract. This work presents a new privacy primitive called “Traceable Signatures”, together with an efficient provably secure implementation. To this end, we develop the unde...
Although several wide-spread internet applications (e.g., job-referral services, dating services) can benefit from online matchmaking, protocols defined over the past two decade...
An electronic cash system allows users to withdraw coins, represented as bit strings, from a bank or broker, and spend those coins anonymously at participating merchants, so that ...
Ivan Osipkov, Eugene Y. Vasserman, Nicholas Hopper...
Informally, a communication protocol is sender k - anonymous if it can guarantee that an adversary, trying to determine the sender of a particular message, can only narrow down it...
In this paper we formalize the notion of a ring signature, which makes it possible to specify a set of possible signers without revealing which member actually produced the signatu...