Telematics and computing : 12th international congress WITCOM 2023 Puerto Vallarta Mexico November 13 17 2023 : proceedings This book constitutes the proceedings of the 12th International Congress on Telematics and Computing WITCOM 2023 held in Puerto Vallarta Mexico in November 2023. The 35 full papers presented in this volume were carefully reviewed and selected from 88 submissions. The papers are focused on the topics of artificial intelligence techniques data science blockchain environment monitoring cybersecurity education and software for communications protocols