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DOI: 10.4230/LIPIcs.DISC.2023.26

Cordial Miners: Fast and Efficient Consensus for Every Eventuality

Authors: Idit Keidar, Oded Naor, Ouri Poupko, and Ehud Shapiro

Published in: LIPIcs, Volume 281, 37th International Symposium on Distributed Computing (DISC 2023)

Abstract

Cordial Miners are a family of efficient Byzantine Atomic Broadcast protocols, with instances for asynchrony and eventual synchrony. They improve the latency of state-of-the-art DAG-based protocols by almost 2× and achieve optimal good-case complexity of O(n) by forgoing Reliable Broadcast as a building block. Rather, Cordial Miners use the blocklace - a partially-ordered counterpart of the totally-ordered blockchain data structure - to implement the three algorithmic components of consensus: Dissemination, equivocation-exclusion, and ordering.

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Idit Keidar, Oded Naor, Ouri Poupko, and Ehud Shapiro. Cordial Miners: Fast and Efficient Consensus for Every Eventuality. In 37th International Symposium on Distributed Computing (DISC 2023). Leibniz International Proceedings in Informatics (LIPIcs), Volume 281, pp. 26:1-26:22, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2023)

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@InProceedings{keidar_et_al:LIPIcs.DISC.2023.26,
  author =	{Keidar, Idit and Naor, Oded and Poupko, Ouri and Shapiro, Ehud},
  title =	{{Cordial Miners: Fast and Efficient Consensus for Every Eventuality}},
  booktitle =	{37th International Symposium on Distributed Computing (DISC 2023)},
  pages =	{26:1--26:22},
  series =	{Leibniz International Proceedings in Informatics (LIPIcs)},
  ISBN =	{978-3-95977-301-0},
  ISSN =	{1868-8969},
  year =	{2023},
  volume =	{281},
  editor =	{Oshman, Rotem},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops.dagstuhl.de/entities/document/10.4230/LIPIcs.DISC.2023.26},
  URN =		{urn:nbn:de:0030-drops-191525},
  doi =		{10.4230/LIPIcs.DISC.2023.26},
  annote =	{Keywords: Byzantine Fault Tolerance, State Machine Replication, DAG, Consensus, Blockchain, Blocklace, Cordial Dissemination}
}

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Cordial Miners: Fast and Efficient Consensus for Every Eventuality

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