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k-Shares: A Privacy Preserving Reputation Protocol for Decentralized Environments
Abstract : A reputation protocol computes the reputation of an entity by aggregating the feedback provided by other entities in the system. Reputation makes entities accountable for their behavior. Honest feedback is clearly a pre-requisite for accurate reputation scores. However, it has been observed that entities often hesitate in providing honest feedback, mainly due to the fear of retaliation. We present a privacy preserving reputation protocol which enables entities to provide feedback in a private and thus uninhibited manner. The protocol, termed k-shares, is oriented for decentralized environments. The protocol has linear message complexity under the semi-honest adversarial model, which is an improvement over comparable reputation protocols.
Cited literature [13 references]
https://hal.inria.fr/hal-01054511
Contributor : Hal Ifip Connect in order to contact the contributor
Submitted on : Thursday, August 7, 2014 - 12:02:20 PM
Last modification on : Tuesday, June 1, 2021 - 2:08:07 PM
Long-term archiving on: : Wednesday, November 26, 2014 - 1:32:29 AM
Contributor : Hal Ifip Connect in order to contact the contributor
Submitted on : Thursday, August 7, 2014 - 12:02:20 PM
Last modification on : Tuesday, June 1, 2021 - 2:08:07 PM
Long-term archiving on: : Wednesday, November 26, 2014 - 1:32:29 AM
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