Resistence against Malicious Collectives in BubbleTrust

Malicious collectives represent one of the biggest threats for secured P2P applications. In our previous work, we proposed a trust management system called Bubble Trust targeting this problem. In this paper, we investigate the most common malicious strategies as well as the resistance the Bubble Trust uses against them. We created the simulation framework suitable for testing other TMSs in the same scenarios. Our analysis shows that the success of malicious peers in the Bubble Trust depends mainly on the amount of benefit provided to the network and that the analyzed malicious strategies cannot menace the contribution provided by the P2P network.