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Documents authored by Shoup, Victor

Document
DOI: 10.4230/LIPIcs.DISC.2024.37
Sing a Song of Simplex

Authors: Victor Shoup

Published in: LIPIcs, Volume 319, 38th International Symposium on Distributed Computing (DISC 2024)

Abstract
We flesh out some details of the recently proposed Simplex atomic broadcast protocol, and modify it so that leaders disperse blocks in a more communication-efficient fashion. The resulting protocol, called DispersedSimplex, maintains the simplicity and excellent - indeed, optimal - latency characteristics of the original Simplex protocol. We also present a variant that supports "stable leaders". We also suggest a number of practical optimizations and provide concrete performance estimates that take into account not just network latency but also network bandwidth limitations and computational costs.
Cite as

Victor Shoup. Sing a Song of Simplex. In 38th International Symposium on Distributed Computing (DISC 2024). Leibniz International Proceedings in Informatics (LIPIcs), Volume 319, pp. 37:1-37:22, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2024)

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@InProceedings{shoup:LIPIcs.DISC.2024.37,
  author =	{Shoup, Victor},
  title =	{{Sing a Song of Simplex}},
  booktitle =	{38th International Symposium on Distributed Computing (DISC 2024)},
  pages =	{37:1--37:22},
  series =	{Leibniz International Proceedings in Informatics (LIPIcs)},
  ISBN =	{978-3-95977-352-2},
  ISSN =	{1868-8969},
  year =	{2024},
  volume =	{319},
  editor =	{Alistarh, Dan},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops.dagstuhl.de/entities/document/10.4230/LIPIcs.DISC.2024.37},
  URN =		{urn:nbn:de:0030-drops-212649},
  doi =		{10.4230/LIPIcs.DISC.2024.37},
  annote =	{Keywords: Consensus, Atomic broadcast, Blockchain}
}
Document
DOI: 10.4230/LIPIcs.AFT.2024.2
BoLD: Fast and Cheap Dispute Resolution

Authors: Mario M. Alvarez, Henry Arneson, Ben Berger, Lee Bousfield, Chris Buckland, Yafah Edelman, Edward W. Felten, Daniel Goldman, Raul Jordan, Mahimna Kelkar, Akaki Mamageishvili, Harry Ng, Aman Sanghi, Victor Shoup, and Terence Tsao

Published in: LIPIcs, Volume 316, 6th Conference on Advances in Financial Technologies (AFT 2024)

Abstract
BoLD is a new dispute resolution protocol that is designed to replace the originally deployed Arbitrum dispute resolution protocol. Unlike that protocol, BoLD is resistant to delay attacks. It achieves this resistance without a significant increase in onchain computation costs and with reduced staking costs.
Cite as

Mario M. Alvarez, Henry Arneson, Ben Berger, Lee Bousfield, Chris Buckland, Yafah Edelman, Edward W. Felten, Daniel Goldman, Raul Jordan, Mahimna Kelkar, Akaki Mamageishvili, Harry Ng, Aman Sanghi, Victor Shoup, and Terence Tsao. BoLD: Fast and Cheap Dispute Resolution. In 6th Conference on Advances in Financial Technologies (AFT 2024). Leibniz International Proceedings in Informatics (LIPIcs), Volume 316, pp. 2:1-2:19, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2024)

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@InProceedings{alvarez_et_al:LIPIcs.AFT.2024.2,
  author =	{Alvarez, Mario M. and Arneson, Henry and Berger, Ben and Bousfield, Lee and Buckland, Chris and Edelman, Yafah and Felten, Edward W. and Goldman, Daniel and Jordan, Raul and Kelkar, Mahimna and Mamageishvili, Akaki and Ng, Harry and Sanghi, Aman and Shoup, Victor and Tsao, Terence},
  title =	{{BoLD: Fast and Cheap Dispute Resolution}},
  booktitle =	{6th Conference on Advances in Financial Technologies (AFT 2024)},
  pages =	{2:1--2:19},
  series =	{Leibniz International Proceedings in Informatics (LIPIcs)},
  ISBN =	{978-3-95977-345-4},
  ISSN =	{1868-8969},
  year =	{2024},
  volume =	{316},
  editor =	{B\"{o}hme, Rainer and Kiffer, Lucianna},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops.dagstuhl.de/entities/document/10.4230/LIPIcs.AFT.2024.2},
  URN =		{urn:nbn:de:0030-drops-209389},
  doi =		{10.4230/LIPIcs.AFT.2024.2},
  annote =	{Keywords: Optimistic rollups, fraud proofs}
}
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