Enhancing scalability of trusted blockchains through optimal sharding

Pei Yun Zhang, Meng Chu Zhou, Jing Ru Zhen, Ji Lai Zhang

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

Abstract

Sharding technology has been rapidly developed to improve blockchain scalability in recent years. However, in practical applications, a blockchain sharding system may face such issues as malicious node attacks and large cross-shard communications. An optimization method is thus demanded to improve their sharding performance. Based on the status and behavioral data of shard nodes stored in a trusted blockchain, can node trust be calculated and used to improve a sharding-based blockchain’s security? To answer this question, this work presents a sharding model to optimize fault tolerance ratio, the number of cross-shard transactions, and shard trust. Its application to a blockchain system can help it improve the credibility of its shard transaction processing and reduce its transaction delay, thereby enhancing the scalability of over the state of the art. Some open issues are discussed.

Original languageEnglish (US)
Title of host publicationProceedings - 2021 IEEE International Conference on Smart Data Services, SMDS 2021
EditorsNimanthi Atukorala, Carl K. Chang, Ernesto Damiani, Min Fu Lizhi, George Spanoudakis, Mudhakar Srivatsa, Zhongjie Wang, Jia Zhang
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages226-233
Number of pages8
ISBN (Electronic)9781665400589
DOIs
StatePublished - 2021
Event2021 IEEE International Conference on Smart Data Services, SMDS 2021 - Virtual, Online, United States
Duration: Sep 5 2021Sep 11 2021

Publication series

NameProceedings - 2021 IEEE International Conference on Smart Data Services, SMDS 2021

Conference

Conference2021 IEEE International Conference on Smart Data Services, SMDS 2021
Country/TerritoryUnited States
CityVirtual, Online
Period9/5/219/11/21

All Science Journal Classification (ASJC) codes

  • Artificial Intelligence
  • Computer Science Applications
  • Information Systems
  • Information Systems and Management

Keywords

  • Blockchain
  • Optimization
  • Scalability
  • Sharding
  • Trust
  • Trust computing
  • Trusted blockchain

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