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M. Jakobsson, J. P. Hubaux, L. Buttyán A Micropayment Scheme Encouraging Collaboration in Multi-Hop Cellular Networks Proceedings of Financial Crypto 2003, 2003, La Guadeloupe, January. abstract We propose a micro-payment scheme for multi-hop cellular networks that encourages collaboration in packet forwarding by letting users benefit from relaying others` packets. At the same time as proposing mechanisms for detecting and rewarding collaboration, we introduce appropriate mechanisms for detecting and punishing various forms of abuse. We show that the resulting scheme -- which is exceptionally light-weight -- makes collaboration rational and cheating undesirable.
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