Freenet: a distributed anonymous information storage and retrieval system
International workshop on Designing privacy enhancing technologies: design issues in anonymity and unobservability
The free haven project: distributed anonymous storage service
International workshop on Designing privacy enhancing technologies: design issues in anonymity and unobservability
Tarzan: a peer-to-peer anonymizing network layer
Proceedings of the 9th ACM conference on Computer and communications security
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
Supporting Trust in Virtual Communities
HICSS '00 Proceedings of the 33rd Hawaii International Conference on System Sciences-Volume 6 - Volume 6
TrustMe: Anonymous Management of Trust Relationships in Decentralized P2P Systems
P2P '03 Proceedings of the 3rd International Conference on Peer-to-Peer Computing
Sybilproof reputation mechanisms
Proceedings of the 2005 ACM SIGCOMM workshop on Economics of peer-to-peer systems
A Privacy Preserving Reputation System for Mobile Information Dissemination Networks
SECURECOMM '05 Proceedings of the First International Conference on Security and Privacy for Emerging Areas in Communications Networks
SuperTrust: a secure and efficient framework for handling trust in super-peer networks
Proceedings of the twenty-sixth annual ACM symposium on Principles of distributed computing
Combating web spam with trustrank
VLDB '04 Proceedings of the Thirtieth international conference on Very large data bases - Volume 30
Robust De-anonymization of Large Sparse Datasets
SP '08 Proceedings of the 2008 IEEE Symposium on Security and Privacy
CAPTCHA: using hard AI problems for security
EUROCRYPT'03 Proceedings of the 22nd international conference on Theory and applications of cryptographic techniques
A user-friendly approach to human authentication of messages
FC'05 Proceedings of the 9th international conference on Financial Cryptography and Data Security
DPM'10/SETOP'10 Proceedings of the 5th international Workshop on data privacy management, and 3rd international conference on Autonomous spontaneous security
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Many new Internet applications base on openness to externally contributed content. The numerous user contributions offer both opportunities and threats. A priori, the quality of those user-generated contributions is unknown. The customers have to decide which offer they want to make use of. Reputation systems can help to optimize the user's return-of-investment. Privacy with respect to user provided reputation information is important for the acceptance. This work presents an architecture for Anonymous Reputation Management (ARM), which is explained for the example of File Sharing (ARM4FS). We propose an anonymization layer separating private data needed for the reputation system from the publicly accessible reputation information, which is a very general concept. Anonymous reputation management (ARM) can be plugged on top of many reputation systems in order to preserve the users' privacy for many scenarios. Our implementation of ARM4FS uses the EigenTrust algorithm [17]. Furthermore, we present a technique for Anonymous Attestation of Unique Service Subscription (AAUSS) in order to prevent Sybil attacks by enforcing that each user has at most only one account without compromising the users' anonymity.