This volume presents the latest research in wireless internet technologies and applications. The 12th EAI International Conference on Wireless Internet (WiCON 2019) brought together researchers to share their findings on ad hoc and sensor networks, artificial intelligence, security and blockchain, the internet of things, and wireless internet services and applications. The proceedings contain 39 full papers, carefully selected from 79 submissions, reflecting a diverse range of advancements in the field.

This collection of papers from WiCON 2019 offers a snapshot of current research in wireless internet technologies. The selection of topics, ranging from AI and IoT to security and blockchain, indicates a focus on interdisciplinary advancements within the field. The inclusion of both foundational network research and application-oriented studies suggests a broad scope for practitioners and academics.