Low cost and reliable anonymity protocols in P2P reputation systems |
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| Authors: | Hao Peng Song-nian Lu Dan-dan Zhao Ai-xin Zhang |
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| Affiliation: | PENG Hao a,LU Song-nian a,b,ZHAO Dan-dan a,ZHANG Ai-xin b (a. Department of Electronic Engineering,b. School of Information Security Engineering,Shanghai Jiaotong University,Shanghai 200240,China) |
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| Abstract: | In peer-to-peer (P2P) reputation systems,each peer's trustworthiness is evaluated based on its pseudonym's rating values given by other peers. Since it is assumed that each peer has a long lived pseudonym,all the transactions conducted by the same peer may be linked by its pseudonym. Therefore,one of the fundamental challenges in P2P reputation systems is to protect peers' identity privacy. In this paper,we present two independent anonymity protocols to achieve all the peers' anonymity by changing pseudonym... |
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| Keywords: | peer-to-peer (P2P) reputation system anonymity pseudonym blind signature |
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