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Special Issue "Decentralized Systems for Secure and Interoperable IoT Applications"

A special issue of Sensors (ISSN 1424-8220). This special issue belongs to the section "Sensor Networks".

Deadline for manuscript submissions: 1 March 2021.

Special Issue Editors

Dr. Nikos Fotiou
Guest Editor
Athens University of Economics and Business, Athens, Greece
Interests: access control; blockchain technologies; cryptography; information-centric networking; IoT; privacy; security; web technologies
Special Issues and Collections in MDPI journals
Prof. Dr. George C. Polyzos
Guest Editor
Athens University of Economics and Business, Athens, Greece
Interests: computer networks; wireless communications; multimedia; security

Special Issue Information

Dear Colleagues,

Internet of Things (IoT) applications are now being used in many aspects of our life. Nevertheless, they are organized in vertical, isolated, silos. Interconnecting them is a challenging problem since there are many issues that should be overcome, including a lack of appropriate communication protocols, security and privacy concerns, lack of semantics interoperability, barriers imposed by business structures, and many others. Although there are some solutions available, they usually assume a powerful, centralized, trusted entity, which becomes a gatekeeper of valuable and sensitive data, creating at the same time lock-in conditions. On the other hand, many promising solutions have emerged that may provide a viable approach of securely inter-connecting IoT systems, without relying on trusted third parties. Such solutions, including the blockchain technology, decentralized identifiers systems, authorization delegation protocols, and semantics representation languages, among others, are receiving increasing attention from the research community and the industry, and they have created big expectations.

This Special Issue will demonstrate how decentralized solutions can be used for achieving real, interoperable, and secure IoT.


  • Distributed ledger technologies and smart contracts for the IoT
  • Web of things
  • Differential privacy
  • Decentralized access control
  • Decentralized identifiers and verifiable credentials
  • Secure IoT management
  • Secure IoT actuation
  • Security/interoperability systems for autonomous/unmanned vehicles
  • Security/interoperability solutions for cyber-physical systems
  • Security and interoperability of smart grid, smart home, and smart agriculture systems

Dr. Nikos Fotiou
Prof. Dr. George C. Polyzos
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All papers will be peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Sensors is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2000 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Published Papers

This special issue is now open for submission.
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