Occam : A Secure and Adaptive Scaling Scheme for Permissionless Blockchain

Research output: Chapters, Conference Papers, Creative and Literary Works › RGC 32 - Refereed conference paper (with host publication) › peer-review

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Detail(s)

Original languageEnglish
Title of host publicationProceedings
Subtitle of host publication2021 IEEE 41st International Conference on Distributed Computing Systems ICDCS 2021
PublisherInstitute of Electrical and Electronics Engineers, Inc.
Pages618-628
ISBN (electronic)9781665445139
ISBN (print)9781665445146
Publication statusPublished - 2021

Publication series

NameProceedings - International Conference on Distributed Computing Systems
ISSN (Print)1063-6927
ISSN (electronic)2575-8411

Conference

Title41st IEEE International Conference on Distributed Computing Systems (ICDCS 2021)
LocationVirtual
PlaceUnited States
CityWashington
Period7 - 10 July 2021

Link(s)

DOI

DOI
Check@CityULib
Link to Scopus https://www.scopus.com/record/display.uri?eid=2-s2.0-85117161093&origin=recordpage
Permanent Link https://scholars.cityu.edu.hk/en/publications/publication(1f865f18-bd4d-409e-95e5-36dedd422ce4).html

Abstract

Blockchain scalability is one of the most desired properties for permissionless blockchain. Many recent blockchain protocols have focused on increasing the transaction throughput. However, existing protocols cannot dynamically scale the throughput to meet transaction demand. In this paper, we propose Occam, a secure and adaptive scaling scheme. Occam adaptively changes the transaction throughput by expanding and shrinking according to the transaction demand in the network. We introduce a dynamic adjustment mechanism of mining difficulty and a mining power load balancing mechanism to resist various attacks. Furthermore, we implement Occam on Amazon EC2 cluster with 1000 full nodes. Experimental results show that Occam can greatly increase the throughput of the blockchain and the mining power utilization.

Research Area(s)

  • Directed Acyclic Graph (DAG), Distributed Consensus, Proof of Work (PoW), Scalability

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Publication fingerprints text

100
Blockchain Computer Science
100
Scaling Scheme Keyphrases
100
Permissioned Blockc... Keyphrases
100
Occam Keyphrases
100
Adaptive Scaling Keyphrases
100
scaling INIS
100
mining INIS
80
Throughput Computer Science
66
power INIS
66
demand INIS
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Citation Format(s)

[ RIS ] [ BibTeX ]
Occam: A Secure and Adaptive Scaling Scheme for Permissionless Blockchain. / Xu, Jie; Cheng, Yingying; Wang, Cong et al.
Proceedings: 2021 IEEE 41st International Conference on Distributed Computing Systems ICDCS 2021. Institute of Electrical and Electronics Engineers, Inc., 2021. p. 618-628 (Proceedings - International Conference on Distributed Computing Systems).

Research output: Chapters, Conference Papers, Creative and Literary Works › RGC 32 - Refereed conference paper (with host publication) › peer-review