Dissent: accountable anonymous group messaging

  title={Dissent: accountable anonymous group messaging},
  author={Henry Corrigan-Gibbs and Bryan Ford},
  booktitle={ACM Conference on Computer and Communications Security},
Users often wish to participate in online groups anonymously, but misbehaving users may abuse this anonymity to disrupt the group's communication. Existing messaging protocols such as DC-nets leave groups vulnerable to denial-of-service and Sybil attacks, Mix-nets are difficult to protect against traffic analysis, and accountable voting protocols are unsuited to general anonymous messaging. We present the first general messaging protocol that offers provable anonymity with accountability for… CONTINUE READING
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