2018
DOI: 10.48550/arxiv.1806.02008
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IoTChain: A Three-Tier Blockchain-based IoT Security Architecture

Zijian Bao,
Wenbo Shi,
Debiao He
et al.

Abstract: There has been increasing interest in the potential of blockchain in enhancing the security of devices and systems, such as Internet of Things (IoT). In this paper, we present a blockchain-based IoT security architecture, IoTchain. The three-tier architecture comprises an authentication layer, a blockchain layer and an application layer, and is designed to achieve identity authentication, access control, privacy protection, lightweight feature, regional node fault tolerance, denial-of-service resilience, and s… Show more

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Cited by 12 publications
(12 citation statements)
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“…Many efforts try to leverage blockchain to support security features required in IoT systems. IoTChain [5] proposes a threetier blockchain-based IoT architecture, which allows regional nodes to perform any lightweight consensus, like Proof-of-Stake (PoS) and PBFT. IoTChain only provides simulation results on communication cost of transactions; however key metrics in the consensus layer, like computation, storage and throughput, are not considered.…”
Section: Lightweight Distributed Ledgers For Edge Networkmentioning
confidence: 99%
“…Many efforts try to leverage blockchain to support security features required in IoT systems. IoTChain [5] proposes a threetier blockchain-based IoT architecture, which allows regional nodes to perform any lightweight consensus, like Proof-of-Stake (PoS) and PBFT. IoTChain only provides simulation results on communication cost of transactions; however key metrics in the consensus layer, like computation, storage and throughput, are not considered.…”
Section: Lightweight Distributed Ledgers For Edge Networkmentioning
confidence: 99%
“…The basic idea of the proposed model was to integrate the blockchain of WSNs and link them through edge cloud for secure information exchange. The three-tier security architecture for IoT networks was suggested by Bao et al [31]. The authors used the blockchain layer, authentication layer, and application layer in combination to resolve the security issues of IoT networks.…”
Section: Literature Reviewmentioning
confidence: 99%
“…Blockchain technology is a distributed/decentralized network where each of them is connected to others. A block comprises various real transactions and their associated qualities (Wiki, 2017) (Bao, Shi, He, & Chood, 2018) in the application layer; there is a threat of identity forgery attacks. An external attacker may try to use a fabricated signature of a node to forge its identity.…”
Section: 2using Blockchain To Overcome Security Issuementioning
confidence: 99%
“…Similarly, due to the use of a secure digital signature algorithm of the Blockchain, such an attack will not work. Therefore, it can be argued that Blockchain has enhanced different aspects of data quality in general and IoT in particular (Bao et al, 2018).…”
Section: 2using Blockchain To Overcome Security Issuementioning
confidence: 99%