Abstract. In this paper we propose an optimistic two-party fair exchange protocol which does not rely on a centralized trusted third party. Instead, the fairness of the protocol re...
This material was presented in a series of lectures at fosad, a summer school on Foundations of Security Analysis and Design, at the University of Bologna Center at Bertinoro in Se...
This paper presents an off-line divisible e-cash scheme where a user can withdraw a divisible coin of monetary value 2L that he can parceled and spend anonymously and unlinkably. ...
Abstract. Identity fraud (IDF) may be defined as unauthorized exploitation of credential information through the use of false identity. We propose CROO, a universal (i.e. generic) ...
Most trust models in Peer-to-Peer (P2P) systems are identity based, which means that in order for one peer to trust another, it needs to know the other peer's identity. Hence,...
Li Lu, Jinsong Han, Yunhao Liu, Lei Hu, Jinpeng Hu...