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KARMA: a Secure Economic Framework for P2P Resource Sharing

TitleKARMA: a Secure Economic Framework for P2P Resource Sharing
Publication TypeConference Paper
Year of Publication2003
AuthorsVishnumurthy, V, Chandrakumar, S, Sirer, EGün
Conference NameP2PECON'05. Proceedings of the 3rd Workshop on Economics of Peer-to-Peer Systems
Date Published06/2003
Conference LocationBerkeley, CA, USA
Keywordseconomic framework, freeloader, karma, p2p resource sharing

Peer-to-peer systems are typically designed around the assumption that all peers will willingly contribute resources to a global pool. They thus suffer from freeloaders,that is, participants who consume many more resources than they contribute. In this paper, we propose a general economic framework for avoiding freeloaders in peer-to-peer systems. Our system works by keeping track of the resource consumption and resource contributionof each participant. The overall standing of each.

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