Blockchain-based solutions to security and privacy issues in the internet of things
Abstract
IoT is leading a digital revolution in both academia and industry. It brings convenience to people's daily lives; however, the issues of security and privacy of IoT become challenges. Blockchain, a decentralized database based on cryptographic techniques, is promising for IoT security, which may influence a variety of areas including manufacture, finance, and trading. The blockchain framework in an IoT system is an intriguing alternative to the traditional centralized model, which is struggling to meet some specified demands in IoT. In this article, we investigate typical security and privacy issues in IoT and develop a framework to integrate blockchain with IoT, which can provide great assurance for IoT data and various functionalities and desirable scalability including authentication, decentralized payment, and so on. We also suggest some possible solutions to these security and privacy issues in IoT based on blockchain and Ethereum to show how blockchain contributes to IoT.
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The adoption of blockchain in IoT can overcome the single point of failure and serve as an adequate means to securely and efficiently store and process IoT data.
“The adoption of blockchain in IoT can overcome the single point of failure and serve as an adequate means to securely and efficiently store and process IoT data [8].”
From A survey on the adoption of blockchain in IoT: challenges and solutions (2021) · cites this paper as [8]
Blockchain, with its decentralized nature, is a promising technique for effectively solving bottleneck and one-point failure problems by eliminating the need for a trusted third party in the IoT network.
“blockchain, with its decentralized nature, is a promising technique for effectively solving bottleneck and one-point failure problems by eliminating the need for a trusted third party in the IoT network [8].”
From A survey on the adoption of blockchain in IoT: challenges and solutions (2021) · cites this paper as [8]
Blockchain is more reliable and secure than other record-keeping systems from several aspects.
“Enhanced Security: blockchain is more reliable and secure than other record-keeping systems from several aspects [8].”
From A survey on the adoption of blockchain in IoT: challenges and solutions (2021) · cites this paper as [8]
Due to restricted power and storage resources of IoT devices, vast amounts of data streamed from many devices creates a bottleneck for current IoT systems, resulting in low QoS.
“Due to the restricted power and storage resources of IoT devices, vast amounts of data streamed from many devices creates a bottleneck for the current IoT systems, which results in low QoS [8].”
From A survey on the adoption of blockchain in IoT: challenges and solutions (2021) · cites this paper as [8]
Most existing IoT architectures maintain a centralized data centre for storing and processing sensor data, which is at risk of security breaches, single-point failure, and malicious attacks such as DDoS and Sybil attacks.
“Most existing IoT architecture maintains a centralized data centre for storing and processing sensors' data, which can be at risk of breaching security, single-point failure and malicious attacks like DDoS, Sybil attack [8,10,273].”
From A survey on the adoption of blockchain in IoT: challenges and solutions (2021) · cites this paper as [8]
Current blockchain systems have serious scalability bottlenecks regarding the number of replicas in the network and performance concerns such as constrained throughput and latency.
“Obviously, the current blockchain systems have serious scalability bottlenecks regarding the number of replicas in the network as well the performance concerns such as constrained throughput (number of transactions per second) and latency (required time for adding a block of transactions in the blockchain) [288].”
From Blockchain for 5G and beyond networks: A state of the art survey (2020) · cites this paper as [288]
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- Authors
- Yu, Y., Li, Y., Tian, J., & Liu, J.
- Affiliations
- Shaanxi Normal University (CN)
- University of Wollongong (AU)
- Hebei University (CN)
- Beihang University (CN)
- Venue
- IEEE Wireless Communications
- Published
- 2018-12
- Volume
- 25
- Issue
- 6
- Pages
- 12-18
- ISSN
- 1536-1284 (ISSN-L)
- 1558-0687
- OpenAlex
- W2907164519
- Cited by
- 320
- References
- 13
- Citations by year
- 2026: 6 · 2025: 20 · 2024: 34 · 2023: 50 · 2022: 61 · 2021: 66 · 2020: 53 · 2019: 28 · 2018: 2
- FWCI
- 60.08
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- IEEE Wireless Communications (publishedVersion)
- Research Online (University of Wollongong) (submittedVersion)
- Topics
- Physical Sciences › Computer Science › Information Systems › Blockchain Technology Applications and Security
- Physical Sciences › Computer Science › Computer Networks and Communications › IoT and Edge/Fog Computing
- Physical Sciences › Computer Science › Information Systems › Internet of Things and AI
- Keywords
- blockchain, Internet of Things, Internet of Things security, IoT privacy, decentralized authentication, decentralized payment, Ethereum, scalability, cryptographic techniques, decentralized databases
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