Finally , this paper proposes a set of common ticket processing components. The on line property means that the coins are being verified during transaction. Asokan, N., State of the art in electronic payment systems . We are developing a system that can circulate all tickets with various rights in a common manner. Among the variety of new uses of computer networks, there are several applications that are highly sensitive to data security.
Cryptographic algorithms are an essential part in network security.
N. Asokan, P. Janson, M. Steiner, and M. Waidner. The state of the art in electronic payment systems . When the payment has been finalised, the terminal sends an acknowledgement to the card, which then updates its counters. En los sistemas de comercio electr onico siempre se identifican tres tipos de participantes. In order to identify common risks, payment systems must be classified.