Fully Polynomial Byzantine Agreement for Processors in Rounds
SIAM Journal on Computing
IPTPS '01 Revised Papers from the First International Workshop on Peer-to-Peer Systems
The Eigentrust algorithm for reputation management in P2P networks
WWW '03 Proceedings of the 12th international conference on World Wide Web
Secure routing for structured peer-to-peer overlay networks
OSDI '02 Proceedings of the 5th symposium on Operating systems design and implementationCopyright restrictions prevent ACM from being able to make the PDFs for this conference available for downloading
Sybilproof reputation mechanisms
Proceedings of the 2005 ACM SIGCOMM workshop on Economics of peer-to-peer systems
TrustDavis: A Non-Exploitable Online Reputation System
CEC '05 Proceedings of the Seventh IEEE International Conference on E-Commerce Technology
A non-manipulable trust system based on EigenTrust
ACM SIGecom Exchanges
SybilGuard: defending against sybil attacks via social networks
Proceedings of the 2006 conference on Applications, technologies, architectures, and protocols for computer communications
SybilLimit: A Near-Optimal Social Network Defense against Sybil Attacks
SP '08 Proceedings of the 2008 IEEE Symposium on Security and Privacy
Exploring Anti-Spam Models in Large Scale VoIP Systems
ICDCS '08 Proceedings of the 2008 The 28th International Conference on Distributed Computing Systems
Sybil resilient identity distribution in P2P networks
Proceedings of the International Conference on Advances in Computing, Communications and Informatics
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Transactions between peers in social networks generate direct reputation (social capital) information. This can be augmented with indirect referrals, on demand or continually, thus giving peers additional information prior to engaging in transactions with others. Despite proposed deterrents such as identity acquisition costs, false referrals through sybil identities pose a significant threat. In this note, we show how a reputation system which multiplicatively chains referrals, and adds referrals from different referral paths/chains, is sybil-proof.