—In voting, the notion of receipt-freeness has been proposed to express that a voter cannot gain any information to prove that she has voted in a certain way. It aims to prevent ...
This paper describes CyberCivics, a novel approach to computer science outreach that integrates hands-on computing experiences with the study of contemporary social and political ...
Securing the mobile code commerce is not an easy task at all. We propose in this paper a framework to tackle this problem. In a first step, we analyse the general issues that must ...
Abstract. Untraceability and unreuseability are essential security properties for electronic cash protocols. Many protocols have been proposed to meet these two properties. However...