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2021 | OriginalPaper | Chapter

Blockchain-Based Secure and Efficient Crowdsourcing Framework

Authors : Prerna Goel, Mohona Ghosh

Published in: Computer Networks and Inventive Communication Technologies

Publisher: Springer Nature Singapore

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Abstract

Blockchain is an emerging Web-based technology that being distributed and decentralized, and public ledger provides the capability to build applications that are more secure, reliable and trustworthy. Crowdsourcing is one of the use cases of blockchain technology. It allows an organization or an individual to utilize the talent of individuals over the Internet in exchange for some rewards. Centralized crowdsourcing platform has many limitations, beginning from centralized storage to reward distribution for task completion. Blockchain-based approach for crowdsourcing solves many of the problems posed by centralized crowdsourcing. In this work, comparative analysis of various proposed blockchain-based crowdsourcing approaches has been done and Ethereum-based crowdsourcing platform has been proposed, that efficiently deals with Sybil attack, solution confidentiality breach, unbiased evaluators’ selection and task evaluation using techniques such as bit commitment and elliptic curve-based ElGamal cryptosystem.

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Metadata
Title
Blockchain-Based Secure and Efficient Crowdsourcing Framework
Authors
Prerna Goel
Mohona Ghosh
Copyright Year
2021
Publisher
Springer Nature Singapore
DOI
https://doi.org/10.1007/978-981-15-9647-6_30