This book constitutes the refereed proceedings of the 8th International Conference on Internet on Things, ICIOT 2023, held as part of SCF 2023, in Shenzhen, China, during December 17–18, 2023.

The 8 full papers presented in this volume were carefully reviewed and selected from 28 submissions.

A Survey on Security in Data Transmission in IoT: Layered Architecture.- A Location Recommendation Model Based on User Behavior and Sequence Influence.- GPChain: Optimizing Cross-Shard Transactions and Load Imbalance in Sharded Blockchain Networks.- Distributed Photovoltaic Power Generation Prediction Based on Feature Extraction and Multi-Model Fusion.- A Pioneering Approach to Data Integration at Shanghai Exchange Group.- Secure Data Provenance and Semantic Interoperability Model for Big-Data In IoT: A Healthcare Perspective.- DigitalPlantMan: A Multi Process Manufacturing Task Management System for Digital Plant.- Multi-Agent DSS for Smart Government Crisis Management.

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