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Parallel Byzantine broadcast (PBC) (also known as Interactive Consistency), is a fundamental problem in distributed computing and cryptography which asks that all parties reliably distribute a message to all other parties. We give the first communication-efficient protocol for PBC in the model with plain public keys (i.e., no trusted dealer) which achieves security against an adaptive adversary that can corrupt up to $$t

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Nearly Optimal Parallel Broadcast in the Plain Public Key Model

  • 会议论文

  • 发表日期：

    2025年

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  • Ran Gelles,
  • Christoph Lenzen,
  • Julian Loss,
  • Sravya Yandamuri

摘要

Parallel Byzantine broadcast (PBC) (also known as Interactive Consistency), is a fundamental problem in distributed computing and cryptography which asks that all parties reliably distribute a message to all other parties. We give the first communication-efficient protocol for PBC in the model with plain public keys (i.e., no trusted dealer) which achieves security against an adaptive adversary that can corrupt up to $$t