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Findings from Athens University of Economics and Business Broaden Understanding of Cybersecurity (A privacy-preserving statistics marketplace using local differential privacy and blockchain: An application to smart-grid measurements sharing)

  • Dec 7, 2021
Engineering Daily News

2021 DEC 06 (NewsRx) -- By a News Reporter-Staff News Editor at Engineering Daily News -- Fresh data on cybersecurity are presented in a new report. According to news reporting from Athens, Greece, by NewsRx journalists, research stated, “Service providers usually require detailed statistics in order to improve their services.”

Financial supporters for this research include European Commission; Horizon 2020; H2020.

The news correspondents obtained a quote from the research from Athens University of Economics and Business: “On the other hand, privacy concerns are intensifying and sensitive data is protected by legislation, such as GDPR (General Data Protection Regulation). In this paper, we present the design, implementation, and evaluation of a marketplace that allows ‘data consumers’ to buy information from ‘data providers’, which can then be used for generating meaningful statistics. Additionally, our system enables ‘system operators’ that can select which data providers are allowed to provide data, based on filtering criteria specified by the data consumer. We leverage local differential privacy to protect the data provider’s privacy against data consumers, as well as against system operators, and we build a blockchain-based solution for ensuring fair exchange, and immutable data logs. Our design targets use cases that involve hundreds or even thousands of data providers.”

According to the news reporters, the research concluded: “We prove the feasibility of our approach through a proof-of concept implementation of a measurement sharing application for smart-grid systems.”

For more information on this research see: A privacy-preserving statistics marketplace using local differential privacy and blockchain: An application to smart-grid measurements sharing. Blockchain: Research and Applications, 2021,2(1):100022. The publisher for Blockchain: Research and Applications is Elsevier.

A free version of this journal article is available at

Our news editors report that more information may be obtained by contacting Nikos Fotiou, Mobile Multimedia Laboratory, Department of Informatics, School of Information Sciences and Technology, Athens University of Economics and Business, Athens, 10434, Greece. Additional authors for this research include Iakovos Pittaras, Vasilios A. Siris, George C. Polyzos, Priit Anton.

(Our reports deliver fact-based news of research and discoveries from around the world.)

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