On scaling decentralized blockchains (A position paper)

Kyle Croman, Christian Decker, Ittay Eyal, Adem Efe Gencer, Ari Juels, Ahmed Kosba, Andrew Miller, Prateek Saxena, Elaine Shi, Emin Gün Sirer, Dawn Song, Roger Wattenhofer

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

The increasing popularity of blockchain-based cryptocurrencies has made scalability a primary and urgent concern. We analyze how fundamental and circumstantial bottlenecks in Bitcoin limit the ability of its current peer-to-peer overlay network to support substantially higher throughputs and lower latencies. Our results suggest that reparameterization of block size and intervals should be viewed only as a first increment toward achieving next-generation, high-load blockchain protocols, and major advances will additionally require a basic rethinking of technical approaches. We offer a structured perspective on the design space for such approaches. Within this perspective, we enumerate and briefly discuss a number of recently proposed protocol ideas and offer several new ideas and open challenges.

Original languageEnglish (US)
Title of host publicationFinancial Cryptography and Data Security - International Workshops, FC 2016, BITCOIN, VOTING, and WAHC, Revised Selected Papers
EditorsKurt Rohloff, Jeremy Clark, Sarah Meiklejohn, Dan Wallach, Michael Brenner, Peter Y.A. Ryan
PublisherSpringer
Pages106-125
Number of pages20
ISBN (Print)9783662533567
DOIs
StatePublished - 2016
Externally publishedYes
EventInternational Workshops on Financial Cryptography and Data Security, FC 2016 and 3rd Workshop on Bitcoin and Blockchain Research, BITCOIN 2016, 1st Workshop on Advances in Secure Electronic Voting Schemes, VOTING 2016, and 4th Workshop on Encrypted Computing and Applied Homomorphic Cryptography, WAHC 2016 - Christ Church, Barbados
Duration: Feb 26 2016Feb 26 2016

Publication series

NameLecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)
Volume9604 LNCS
ISSN (Print)0302-9743
ISSN (Electronic)1611-3349

Other

OtherInternational Workshops on Financial Cryptography and Data Security, FC 2016 and 3rd Workshop on Bitcoin and Blockchain Research, BITCOIN 2016, 1st Workshop on Advances in Secure Electronic Voting Schemes, VOTING 2016, and 4th Workshop on Encrypted Computing and Applied Homomorphic Cryptography, WAHC 2016
Country/TerritoryBarbados
CityChrist Church
Period2/26/162/26/16

ASJC Scopus subject areas

  • Theoretical Computer Science
  • General Computer Science

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