NDLI: Computation integrity assurance for emerging distributed computation outsourcing environments, the case of block withholding attack on Bitcoin pools

Content Provider	IET Digital Library
Author	Haghighat, Alireza Toroghi Shajari, Mehdi
Abstract	Recently emerged distributed computation outsourcing environments (e.g. volunteer computing, crowdsourcing, cloud computing, and pooled mining in cryptocurrencies) provide many new opportunities and challenges. One important new challenge in these environments is assuring the correctness and validity of the computation output when computation nodes have motivation for lazy, malicious, or hoarding behaviour. In this study, the authors provide a definition for this new challenge, which they refer to as ‘computation integrity assurance’, and classify different types of computations in which this new challenge is important. Then, they discuss the ‘Block Withholding’ attack in cryptocurrency mining pools as a case study. In this example, they demonstrate how the authors’ proposed classification can help in solving challenges of this context.
Starting Page	553
Ending Page	561
Page Count	9
ISSN	17518709
Volume Number	14
e-ISSN	17518717
Issue Number	Issue 5, Sep (2020)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-ifs/14/5
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-ifs.2018.5496
Journal	IET Information Security
Publisher Date	2020-04-07
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Bitcoin Pools Block Withholding Attack Computation Integrity Assurance Computation Nodes Cryptocurrencies Cryptocurrency Mining Pools Cryptography Data Mining Data Security Distributed Computation Outsourcing Environments Financial Computing Knowledge Engineering Technique Outsourcing Volunteer Computing
Content Type	Text
Resource Type	Article
Subject	Computer Networks and Communications Information Systems Software

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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