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Scaling Byzantine Consensus: A Broad Analysis

  • Blockchains and distributed ledger technology (DLT) that rely on Proof-of-Work (PoW) typically show limited performance. Several recent approaches incorporate Byzantine fault-tolerant (BFT) consensus protocols in their DLT design as Byzantine consensus allows for increased performance and energy efficiency, as well as it offers proven liveness and safety properties. While there has been a broad variety of research on BFT consensus protocols over the last decades, those protocols were originally not intended to scale for a large number of nodes. Thus, the quest for scalable BFT consensus was initiated with the emerging research interest in DLT. In this paper, we first provide a broad analysis of various optimization techniques and approaches used in recent protocols to scale Byzantine consensus for large environments such as BFT blockchain infrastructures. We then present an overview of both efforts and assumptions made by existing protocols and compare their solutions.

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Metadaten
Author:Christian BergerORCiD, Hans P. Reiser
URN:urn:nbn:de:bvb:739-opus4-7526
ISBN:978-1-4503-6110-1
Parent Title (English):SERIAL'18 Proceedings of the 2nd Workshop on Scalable and Resilient Infrastructures for Distributed Ledgers
Publisher:ACM
Place of publication:New York, NY, USA
Document Type:Conference Proceeding
Language:English
Year of Completion:2018
Date of Publication (online):2019/11/12
Date of first Publication:2019/11/12
Publishing Institution:Universität Passau
Release Date:2019/11/12
Tag:Blockchain; Byzantine Fault-Tolerant Consensus; Distributed Ledgers
Page Number:6 Seiten
Institutes:Fakultät für Informatik und Mathematik
Dewey Decimal Classification:0 Informatik, Informationswissenschaft, allgemeine Werke / 00 Informatik, Wissen, Systeme / 004 Datenverarbeitung; Informatik
open_access (DINI-Set):open_access
Licence (German):License LogoStandardbedingung laut Einverständniserklärung