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2023-09-11 Nomos weekly

Sep 27, 2023, 2 min read

nomos:

network privacy and mixnet:

research:

  • Revised mathematical methods, such as the Poisson point process, etc., used in analysis of mixnets.
  • Explored literature related to mixnets where approaches from differential privacy are used. The latter could lead to a more general privacy guarantee which is relevant to not only current but also future attacks on privacy.

development:

testnet:

development:

private PoS:

research:

  • Found an issue in vote propagation of the PPoS construction: When a vote is propagated upstream to the higher committee there is a chance that a malicious shadow in committee decides not to broadcast their vote to the committee members and send it only upstream. Then this “unseen” vote will block the possibility of reconstructing the most common committee_vote, and at the same time prove that other shadows have voted. The solution for that is to propagate a map of seen votes upstream alongside the vote, this enables the higher committee to select only the votes that are most commonly seen for building the committee_vote thus making that kind of malicious behavior detectable.
  • Improving the PPoS description: working on selecting proper naming conventions, as currently there are voters, shadows, coins which are confusing. That is done in pair with revising the logic.

data availability:

research:

development:

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