Demystifying Blockchain Technology for Resource-Constrained IoT Devices: Parameters, Challenges and Future Perspective

Inna Romashkova, Mikhail Komarov, Aleksandr Ometov

Research output: Contribution to journalArticleScientificpeer-review

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Abstract

One of the most promising enablers for the secure distributed operation of the Internet of Things (IoT) systems could be based on a mathematical construct widely known as blockchain that aims to neglect the system’s centralization and scalability properties. This paper aims to map the requirements and features of both systems, highlight the main integration challenges, and technological candidates for smoother integration of IoT and blockchain, as well as highlight the standartization outlook. This work has identified an architectural approach to an integrated solution based on classic literature review methodology aiming to consider the IoT versus blockchain characteristics mapping and outlining related integration challenges. Potential integration challenges of the proposed integrated approach are also identified and classified. Critical solutions to address the integration bottlenecks include moving from Proof-of-Work (PoW) to Distributed Proof-of-Stake (DPoS) consensus, adding a Fog overlay to the architecture model, and leveraging the synergies combining the benefits of blockchain and IoT technology are highlighted.

Original languageEnglish
Pages (from-to)129264 - 129277
JournalIEEE Access
Volume9
DOIs
Publication statusPublished - 2021
Publication typeA1 Journal article-refereed

Keywords

  • Bandwidth
  • Blockchains
  • Computer security
  • Decentralized control
  • Distributed information systems
  • Distributed ledger
  • Internet of Things
  • Peer-to-peer computing
  • Scalability
  • Security

Publication forum classification

  • Publication forum level 2

ASJC Scopus subject areas

  • Computer Science(all)
  • Materials Science(all)
  • Engineering(all)

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