Spending programs: A tool for flexible micropayments

Josep Domingo-Ferrer; Jordi Herrera-Joancomartí

doi:10.1007/3-540-47790-x_1

Spending programs: A tool for flexible micropayments

Josep Domingo-Ferrer, Jordi Herrera-Joancomartí

Research output: Contribution to journal › Article › Research › peer-review

2 Citations (Scopus)

Abstract

Micropayments are electronic payments of small amount. Given their low value, the cost of the corresponding electronic transactions should also be kept low. Current micropayment schemes allow a regular amount of money withdrawn from a bank to be split into fixed-value coupons, each of which is used for one micropayment. A more flexible mechanism is proposed in this paper, whereby coupons of variable value can be generated by a spending program without increasing the transaction cost. Moreover, the spending program allows one of several alternative ways of splitting the amount withdrawn into re-usable coupons to be selected in real-time.

Original language	English
Pages (from-to)	1-13
Number of pages	13
Journal	Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)
DOIs	https://doi.org/10.1007/3-540-47790-x_1
Publication status	Published - 1999

Keywords

Electronic commerce
Hash chain
Hash functions
Micropayments
Spending program

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10.1007/3-540-47790-x_1

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AB - Micropayments are electronic payments of small amount. Given their low value, the cost of the corresponding electronic transactions should also be kept low. Current micropayment schemes allow a regular amount of money withdrawn from a bank to be split into fixed-value coupons, each of which is used for one micropayment. A more flexible mechanism is proposed in this paper, whereby coupons of variable value can be generated by a spending program without increasing the transaction cost. Moreover, the spending program allows one of several alternative ways of splitting the amount withdrawn into re-usable coupons to be selected in real-time.

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KW - Hash chain

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ER -

Spending programs: A tool for flexible micropayments

Abstract

Keywords

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