E-business and Telecommunication Networks: Second by Hiroshi Yamada, Akira Kawaguchi (auth.), Joaquim Filipe,

By Hiroshi Yamada, Akira Kawaguchi (auth.), Joaquim Filipe, Helder Coelhas, Monica Saramago (eds.)

This booklet comprises the easiest papers of the second one foreign convention on E-business and Telecommunication Networks (ICETE), which was once held, in 2005, on the Microsoft study Centre - analyzing, within the united kingdom. The convention used to be prepared by way of INSTICC (Institute for platforms and applied sciences of knowledge, verbal exchange and keep watch over) in collaboration with the collage of Westminster/WITRC, united kingdom. ICETE displays a continuous attempt to extend the trade of workmanship between pros who paintings within the fields of e-business and telecommunication networks, together with facets on the topic of safeguard, instant platforms, sign processing, and all types of functions, who're bringing new providers and applied sciences into the lives of standard shoppers. the main target of this convention was once therefore to compile researchers and builders from academia and operating in components regarding e-business to stimulate a debate with a different specialize in telecommunication networks. 4 simultaneous tracks have been held, overlaying varied features, specifically: “Global verbal exchange info structures and Services”, “Security and Reliability in details structures and Networks”, “Wireless conversation platforms and Networks” and “Multimedia sign Processing”. every one of those tracks appealed to an international viewers of engineers, scientists, enterprise humans and coverage specialists, attracted to the study subject matters of ICETE. All tracks interested in particular issues of analysis and actual international functions and depended on contributions from undefined, with various options for end-user purposes and permitting applied sciences, in a range of conversation environments.

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Additional resources for E-business and Telecommunication Networks: Second International Conference, ICETE 2005, Reading, UK, October 3-7, 2005. Selected Papers

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Begin their seminal paper (D. Chaum, 1988) with the observation that the use of credit cards is an act of faith on the part of all concerned, exposing all parties to fraud. Indeed, almost two decades later, the credit card business is still plagued by all these problems and credit card fraud has become a major obstacle to the normal development of electronic commerce, but digital cash-like payment systems similar to those proposed (and implemented) by D. Chaum have never become viable competitors, let alone replacements for credit cards or paper-based cash.

Chaum, 1988) focuses on the first characteristic while partially or totally lacking all the others. The same holds, to some extent, for all existing cash-like digital payment systems based on untraceable blind signatures (Brands, 1993a; Brands, 1993b; A. Lysyanskaya, 1998), rendering them unpractical. In his invited paper to Scientific American (Chaum, 1992), D. Chaum eloquently argues the importance of untraceability, so there is no need to repeat it here. It is worth noting, however, that while coins are truly untraceable in practice, paper-cash with its unique serial numbers is not.

In order for A to be able to verify the uniqueness of X, X may incorporate a signed order of the service from A. PX is a conclusive proof of the payment, disproving the fraudulent claim of B that the payment has not been made. The proof of rendering service X depends on the service and is not part of the payment system. The vulnerability of users to fraud by one another does not depend on how the cryptographic challenges are implemented, as long as it is computationally infeasible to respond to the challenge without knowing the corresponding secret.

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