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Appears in Collections:Computing Science and Mathematics Conference Papers and Proceedings
Author(s): Bracciali, Andrea
Grossi, Davide
de Haan, Ronald
Title: Decentralization in open quorum systems: Limitative results for ripple and stellar
Editor(s): Anceaume, Emmanuelle
Bisiere, Christophe
Bouvard, Matthieu
Bramas, Quentin
Casamatta, Catherine
Citation: Bracciali A, Grossi D & de Haan R (2021) Decentralization in open quorum systems: Limitative results for ripple and stellar. In: Anceaume E, Bisiere C, Bouvard M, Bramas Q & Casamatta C (eds.) 2nd International Conference on Blockchain Economics, Security and Protocols, Tokenomics 2020, volume 82. Open Access Series in Informatics (OASIcs), 82. 2nd International Conference on Blockchain Economics, Security and Protocols (Tokenomics 2020), Toulouse, France, 26.10.2020-27.10.2020. Dagstuhl, Germany: Schloss Dagstuhl- Leibniz-Zentrum fur Informatik, pp. 5:1-5:20.
Issue Date: 2-Feb-2021
Date Deposited: 13-Oct-2021
Series/Report no.: Open Access Series in Informatics (OASIcs), 82
Conference Name: 2nd International Conference on Blockchain Economics, Security and Protocols (Tokenomics 2020)
Conference Dates: 2020-10-26 - 2020-10-27
Conference Location: Toulouse, France
Abstract: Decentralisation is one of the promises introduced by blockchain technologies: fair and secure interaction amongst peers with no dominant positions, single points of failure or censorship. Decentralisation, however, appears difficult to be formally defined, possibly a continuum property of systems that can be more or less decentralised, or can tend to decentralisation in their lifetime. In this paper we focus on decentralisation in quorum-based approaches to open (permissionless) consensus as illustrated in influential protocols such as the Ripple and Stellar protocols. Drawing from game theory and computational complexity, we establish limiting results concerning the decentralisation vs. safety trade-off in Ripple and Stellar, and we propose a novel methodology to formalise and quantitatively analyse decentralisation in this type of blockchains.
Status: VoR - Version of Record
Rights: © Andrea Bracciali, Davide Grossi, and Ronald de Haan; licensed under Creative Commons License CC-BY (
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