Attack resistance

From TrustLet, a free, collaborative project for collecting and analyzing information about trust metrics.

Attack resistance refers to the fact a trust metric is able to reduce the influence of attackers. An example of attackers are people who try to to artificially boost their computed global reputation in the community.

Examples of attacks are link farms, Googlebombs, Sybil attacks, add more

Authors of ^[1] claims that global trust metrics, called in this article symmetric reputation mechanisms, cannot be sybilproof and hence are inherently attackable. On the other hand, local trust metrics, called nonsymmetric reputation mechanisms, can be attack-resistant under certain conditions.

Advogato is a trust metric that is claimed to be attack-resistantTemplate:No-cite.

1. ↑ Cheng, A.; Friedman, E. (2005). "Sybilproof reputation mechanisms (link)". Applications, Technologies, Architectures, and Protocols for Computer Communication: 128-132. DOI:10.1145/1080192. Retrieved on 2007-08-06. 

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