Treat-before-trick : Free-riding prevention for BitTorrent-like peer-to-peer networks

@article{Shin2009TreatbeforetrickF,
  title={Treat-before-trick : Free-riding prevention for BitTorrent-like peer-to-peer networks},
  author={Kyuyong Shin and Douglas S. Reeves and Injong Rhee},
  journal={2009 IEEE International Symposium on Parallel & Distributed Processing},
  year={2009},
  pages={1-12}
}
In P2P file sharing systems, free-riders who use others' resources without sharing their own cause system-wide performance degradation. Existing techniques to counter free-riders are either complex (and thus not widely deployed), or easy to bypass (and therefore not effective). This paper proposes a simple yet highly effective free-rider prevention scheme using (t, n) threshold secret sharing. A peer must upload encrypted file pieces to obtain the subkeys necessary to decrypt a file which has… CONTINUE READING

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