• Journal of KIISE:Computing Practices and Letters
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• v.8 no.3
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• pp.295-302
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• 2002

This study addresses some solutions of the technical problem of using e-money systems. The solutions are on/off line e-money, one card, ordering system, and card-card settlement system etc. The alternatives are described as source code in the example of Angel Plus e-money. E-money is classified as IC card(off-line) type and net work(on-line) type. But, They should be integrated. End-users want to use the combined card for its conveniences. This research introduces on/off line e-money with a case study. On the basis of this paper, future research is to be further conducted on the Customer-oriented e-money with multiple functions.