Smart Homes and Blockchains: A Smart Door Lock Operated by a Smart Contract

Abstract

The integration of blockchain technology into numerous domains has demonstrated its ability to address transparency, security, and cost-effectiveness. Furthermore, with its association with cryptocurrencies, it allows seamless integration with payment systems. We report on a project that investigates the practical elements of using blockchains and smart contracts in Cyber-Physical Systems (CPS) in multi-party scenarios and involving the delegation of (digital) keys being handed over temporarily. Specifically, we implemented a smart lock system for a conventional front door whose digital “keys” were stored and managed (e.g., digitally handed over) via smart contracts over a public blockchain (Polygon, specifically). Through our evaluation, we found that modifying permissions takes around 5 seconds, primarily due to the time required to update the blockchain, whereas checking for access is instantaneous.

Publication DOI: https://doi.org/10.37256/ccds.6120256035
Divisions: College of Engineering & Physical Sciences > School of Computer Science and Digital Technologies > Software Engineering & Cybersecurity
College of Engineering & Physical Sciences > School of Computer Science and Digital Technologies
Aston University (General)
Additional Information: Copyright ©2025 Vitor Jesus, et al. This is an open-access article distributed under a CC BY license (Creative Commons Attribution 4.0 International License) https://creativecommons.org/licenses/by/4.0/
Publication ISSN: 2737-4092
Last Modified: 10 Oct 2025 07:32
Date Deposited: 09 Oct 2025 07:14
Full Text Link:
Related URLs: https://ojs.wis ... ticle/view/6035 (Publisher URL)
PURE Output Type: Article
Published Date: 2025-01-22
Accepted Date: 2025-01-15
Authors: Sottini, Riccardo
Jesus, Vitor (ORCID Profile 0000-0002-5884-0446)

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License: Creative Commons Attribution


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