EPBC: Efficient public blockchain client for lightweight users

Lei Xu, Lin Chen, Zhimin Gao, Shouhuai Xu, Weidong Shi

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

6 Scopus citations

Abstract

Public blockchains provide a decentralized method for storing transaction data and have many applications in different sectors. In order for a user to track transactions, a simple method is that every user keeps a local copy of the entire public ledger. Since the size of a ledger keeps growing, this method becomes increasingly less practical, especially for lightweight users such as IoT devices and smartphones. In order to deal with this problem, there have been some proposals. However, existing solutions either achieve a limited storage reduction (e.g., simple payment verification), or rely on some strong security assumption (e.g., the use of trusted server). We propose EPBC, a novel and efficient transaction verification scheme for public ledgers, which only requires lightweight users to store a small amount of data that is independent of the size of the blockchain. We analyze EPBC's performance and security, and discuss its integration with existing public ledger systems. Experimental results confirm that EPBC is practical for lightweight users.

Original languageEnglish
Title of host publicationSERIAL 2017 - 1st Workshop on Scalable and Resilient Infrastructures for Distributed Ledgers, Colocated with ACM/IFIP/USENIX Middleware 2017 Conference
PublisherAssociation for Computing Machinery, Inc
ISBN (Electronic)9781450351737
DOIs
StatePublished - Dec 11 2017
Event1st Workshop on Scalable and Resilient Infrastructures for Distributed Ledgers, SERIAL 2017 - Las Vegas, United States
Duration: Dec 11 2017Dec 11 2017

Publication series

NameSERIAL 2017 - 1st Workshop on Scalable and Resilient Infrastructures for Distributed Ledgers, Colocated with ACM/IFIP/USENIX Middleware 2017 Conference

Conference

Conference1st Workshop on Scalable and Resilient Infrastructures for Distributed Ledgers, SERIAL 2017
CountryUnited States
CityLas Vegas
Period12/11/1712/11/17

Keywords

  • Accumulator
  • Blockchain
  • Light weight client

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