The practical advantage expected from transferable e-cash compare to non-transferable is the significant reduction of the interaction number between the bank and the users. However...
Regular cash systems provide both the anonymity of users and the transferability of coins. In this paper, we study the anonymity properties of transferable e-cash. We define two n...
We introduce a novel conditional e-cash protocol allowing future anonymous cashing of bank-issued e-money only upon the satisfaction of an agreedupon public condition. Payers are ...
We propose an efficient blind certification protocol with interesting properties. It falls in the Groth-Sahai framework for witness-indistinguishable proofs, thus extended to a ce...
Georg Fuchsbauer, David Pointcheval, Damien Vergna...