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...
We examine the interference of fairness and observers in digital coin systems. Since copying of coins cannot be prevented cryptographically in anonymous off-line coin systems, dou...
Mobile agents are programs that can migrate from machine to machine in a heterogeneous, partially disconnected network. As mobile agents move across a network, they consume resour...
An untraceable fair network payment protocol is proposed by Wang in Asiacrypt’03, which employs the existent techniques of the offline untraceable cash and a new technique calle...
Overload can reduce the overall performance of a computer system up to a point where the whole service might collapse. Thus, for example the load on a server must be controlled to...