Generic superlight client for permissionless blockchains

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

2 Scopus citations

Abstract

We initiate a systematic study on the light-client protocol of permissionless blockchains, in the setting where full nodes and light clients are rational. In the game-theoretic model, we design a superlight-client protocol to enable a light client to employ some relaying full nodes (e.g., two or one) to read the blockchain. The protocol is “generic”, i.e., it can be deployed disregarding underlying consensuses, and it is also “superlight”, i.e., the computational cost of the light client to predicate the (non)existence of a transaction in the blockchain becomes a small constant. Since our protocol resolves a fundamental challenge of broadening the usage of blockchain technology, it captures a wide variety of important use-cases such as multi-chain wallets, DApp browsers and more.

Original languageEnglish (US)
Title of host publicationComputer Security – ESORICS 2020 - 25th European Symposium on Research in Computer Security, ESORICS 2020, Proceedings
EditorsLiqun Chen, Steve Schneider, Ninghui Li, Kaitai Liang
PublisherSpringer Science and Business Media Deutschland GmbH
Pages713-733
Number of pages21
ISBN (Print)9783030590123
DOIs
StatePublished - 2020
Event25th European Symposium on Research in Computer Security, ESORICS 2020 - Guildford, United Kingdom
Duration: Sep 14 2020Sep 18 2020

Publication series

NameLecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)
Volume12309 LNCS
ISSN (Print)0302-9743
ISSN (Electronic)1611-3349

Conference

Conference25th European Symposium on Research in Computer Security, ESORICS 2020
Country/TerritoryUnited Kingdom
CityGuildford
Period9/14/209/18/20

All Science Journal Classification (ASJC) codes

  • Theoretical Computer Science
  • Computer Science(all)

Keywords

  • Blockchain
  • Game-theoretic security
  • Light client

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