Atomicity in electronic commerce
PODC '96 Proceedings of the fifteenth annual ACM symposium on Principles of distributed computing
Optimistic protocols for fair exchange
Proceedings of the 4th ACM conference on Computer and communications security
Fairness in electronic commerce
Fairness in electronic commerce
Supporting fair exchange in mobile environments
Mobile Networks and Applications - Security in mobile computing environments
The Eigentrust algorithm for reputation management in P2P networks
WWW '03 Proceedings of the 12th international conference on World Wide Web
LIME: A Middleware for Physical and Logical Mobility
ICDCS '01 Proceedings of the The 21st International Conference on Distributed Computing Systems
A fair non-repudiation protocol
SP '96 Proceedings of the 1996 IEEE Symposium on Security and Privacy
LARS: a locally aware reputation system for mobile ad hoc networks
Proceedings of the 44th annual Southeast regional conference
An incentive compatible reputation mechanism for ubiquitous computing environments
Proceedings of the 2006 International Conference on Privacy, Security and Trust: Bridge the Gap Between PST Technologies and Business Services
iTrust'06 Proceedings of the 4th international conference on Trust Management
How social structure improves distributed reputation systems: three hypotheses
AP2PC'04 Proceedings of the Third international conference on Agents and Peer-to-Peer Computing
A probabilistic trust model for handling inaccurate reputation sources
iTrust'05 Proceedings of the Third international conference on Trust Management
A new view on normativeness in distributed reputation systems: beyond behavioral beliefs
AP2PC'05 Proceedings of the 4th international conference on Agents and Peer-to-Peer Computing
Filtering out unfair recommendations for trust model in ubiquitous environments
ICISS'06 Proceedings of the Second international conference on Information Systems Security
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The exchange of electronic information, goods or functionality is an attractive application for mobile ad-hoc networks. However, users will only take part in such systems, if the probability of a successful exchange is high enough. Exchanges may fail either because of communication failures or due to unfair behavior. Both obstacles need to be overcome to achieve a viable system. Existing approaches tend to address one or the other of the problems, ignoring the second one. In contrast, we present an integrated approach and argue that this is more powerful than two isolated solutions. Replicated transaction logs are used to overcome disconnection periods and an evidence-based distributed reputation system is used to encourage fair behavior. The concepts are implemented as middle-ware components and thoroughly evaluated. The evaluation shows that the system is viable in a wide range of realistic settings.