Abstract. We consider general secure function evaluation (SFE) of private functions (PF-SFE). Recall, privacy of functions is often most efficiently achieved by general SFE [18,19,...
This paper presents fair traceable multi-group signatures (FTMGS), which have enhanced capabilities, compared to group and traceable signatures, that are important in real world sc...
Vicente Benjumea, Seung Geol Choi, Javier Lopez, M...
Abstract. The banking industry in Norway has developed a new security infrastructure for conducting commerce on the Internet. The initiative, called BankID, aims to become a nation...
Governments and commercial companies connect more and more computer systems to the Internet, giving people easier access to services. Many of these online services handle personal ...
Abstract. An economic model of the online advertising market is presented, focusing on the effect of ad fraud. In the model, the market is comprised of three classes of players: pu...
In this paper, we present some guidelines for implementing various financial instruments for the purposes of credit and payment, including protocols for commercial transactions, di...
Abstract. Physical cash is vulnerable to rising threats, such as large-scale, government-mandated forgeries, that digital cash may protect against more effectively. We study mechan...
Alessandro Acquisti, Nicolas Christin, Bryan Parno...