This book constitutes the refereed proceedings of the 24th International Conference on Innovations for Community Services, I4CS 2024, held in Maastricht, The Netherlands, during June 12-14, 2024. The 17 full papers and 5 short papers presented in this book were carefully reviewed and selected from 44 submissions. They cover a variety of topics, including Quantum Computing, Pervasive Computing, Information Analysis, Graphs and Routing, Secure Applications, Information Security in Supply Chains, Blockchain and Digital Sovereignty. .