This book constitutes the proceedings of the 9th International Conference on Blockchain – ICBC 2026, held as part of the Services Conference Federation, SCF 2026, which took place in Kuala Lumpur during August 2026. The 6 full papers and 1 short papers included in this book were carefully reviewed and selected from 21 submissions. ICBC 2026 provides an international forum for both researchers and industry practitioners to exchange the latest fundamental advances in the state-of-the-art technologies and best practices of blockchain, as well as emerging standards and research topics.