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PPay: micropayments for peer-to-peer systems

9 years 9 months ago
PPay: micropayments for peer-to-peer systems
Emerging economic P2P applications share the common need for an efficient, secure payment mechanism. In this paper, we present PPay, a micropayment system that exploits unique characteristics of P2P systems to maximize efficiency while maintaining security properties. We show how the basic PPay protocol far outperforms existing micropayment schemes, while guaranteeing that all coin fraud is detectable, traceable and unprofitable. We also present and analyze several extensions to PPay that further improve efficiency. Categories and Subject Descriptors C.2.4 [Computer-Communication Networks]: Distributed Systems—Distributed Applications Keywords Economics, Security, Design, Performance General Terms peer-to-peer, micropayments
Beverly Yang, Hector Garcia-Molina
Added 06 Jul 2010
Updated 06 Jul 2010
Type Conference
Year 2003
Where CCS
Authors Beverly Yang, Hector Garcia-Molina
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