%0 Journal Article %T On-line and Off-line Electronic Payment Systems %A Otto Poszet %A Ovidiu Novac %A Stefan V¨¢ri-Kakas %J Journal of Computer Science and Control Systems %D 2008 %I Editura Universit??ii din Oradea %X In this paper we describe the featuresof the two main Electronic Payment Systemarchitectures: off-line and on-line. The results ofour comparison can be useful for a designer toadopt the most appropriate solution for his need,taking into account the advantages anddisadvantages of the systems. He can make useof our referenced improvements in order toachieve better security and fault tolerance. %K electronic payement system %K security %K fault tolerance %U http://electroinf.uoradea.ro/reviste%20CSCS/documente/JCSCS_2008/JCSCS_2008_19_Poszet_1.pdf