A Fair and Lightweight Consensus Algorithm for IoT

Sokratis Vavilis

doi:10.1007/978-3-032-09555-8_14

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A Fair and Lightweight Consensus Algorithm for IoT

2026-01-01

Sokratis Vavilis *

Harris Niavis

Konstantinos Loupos

DOI：10.1007/978-3-032-09555-8_14

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Abstract

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With the rapid growth of hyperconnected devices and decentralized data architectures, safeguarding Internet of Things (IoT) transactions is becoming increasingly challenging. Blockchain presents a promising solution, yet its effectiveness depends on the underlying consensus algorithm. Conventional mechanisms, such as Proof of Work and Proof of Stake, are often impractical for resource-constrained IoT environments. To address these limitations, this work introduces a fair and lightweight hybrid consensus algorithm tailored for IoT. The proposed approach minimizes resource demands on the nodes while providing a fair and secure agreement process. Specifically, it utilizes a distributed lottery mechanism to ensure fair block proposals without requiring dedicated hardware. In addition, to enhance trust and establish finality, a reputation-based voting mechanism is incorporated. Finally, we experimentally validated the key features of the proposed consensus algorithm.

Keywords:

Blockchain

Internet of Things

IoT

Consensus algorithm

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