1 result where citekey includes Margolin:2007.
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  • @inproceedings{Margolin:2007,
    Abstract = {We propose an economic approach to Sybil attack detection. In our Informant protocol, a detective offers a reward for Sybils to reveal themselves. The detective accepts from one identity a security deposit and the name of target peer; the deposit and a reward are given to the target. We prove the optimal strategy for the informant is to play the game if and only if she is Sybil with a low opportunity cost, and the target will cooperate if and only if she is identical to the informant. Informant uses a Dutch auction to find the minimum possible reward that will reveal a Sybil attacker. Because our approach is economic, it is not limited to a specific application and does not rely on a physical device or token.},
    Author = {Margolin, N. Boris and Levine, Brian Neil},
    Booktitle = {Proc. Financial Cryptography and Data Security (FC)},
    Keywords = {Sybil attack; peer-to-peer; anonymity},
    Month = {February},
    Pages = {192--207},
    Presentation_Url = {http://forensics.umass.edu/pubs/margolin.FC.2007.slides.pdf},
    Sponsors = {NSF-0133055},
    Techreport_Url = {http://forensics.umass.edu/pubs/margolin.informant.tr.2006.pdf},
    Title = {{Informant: Detecting Sybils Using Incentives}},
    Url = {http://forensics.umass.edu/pubs/margolin.FC.2007.pdf},
    Year = {2007},
    Bdsk-Url-1 = {http://forensics.umass.edu/pubs/margolin.FC.2007.pdf}}

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