This book constitutes the proceedings of the International Conference on Internet of Things, ICIOT 2018, held in Seattle, WA, USA, in June 2018. The contributions are organized in topical sections named: Research Track – Architecture; Research Track – Smart IoT;

Research Track – Architecture.- A Blockchain-based Decentralized Security Architecture for IoT.- Pattern Based Integration of Internet of Things Systems.- A Novel Wiki Mechanism of Engineering Empirical Knowledge Management.- Research Track - Smart IoT.- Activity Recognition using Graphical Features from Smart Phone Sensor.- Algebraic Service Composition for User-Centric IoT Applications.- QoS-Aware Resource Allocation for Mobile IoT Pub/Sub Systems.- ProCal: A Low-Cost and Programmable Calibration Tool for IoT Devices.- Identification of Remote IoT Users Using Sensor Data Analytics.- Research on the Design of Human Settlement System and Personal Air Purification System under the Background of Internet of Things.- Application and Industry Track.- FPGA Hardware Implementation of Smart Home Autonomous System based on Deep Learning.- An Empirical Analysis of Smart Connected Home Data.- Using Blockchain for IOT Access Control and Authentication Management.- A Middleware Mediated Application Layer Protocol to Decouple Provider-Consumer Relationship in Web Services Orchestration And Its Application in Novel IoT Integration.- Short Paper Track.- RT-OCF: A Lightweight Device-to-Device Framework for the Internet of Things.