This book comprises of papers presented at 2025 8th International Conference on Blockchain Technology and Applications held in Kanazawa, Japan, from December 12–14, 2025. This book explores the recent advancements, challenges, and applications of blockchain technology, which offers interdisciplinary insights to people from either academia or industry. The topics covered in the book include data protection and identity authentication, data privacy and information security protection mechanism, blockchain consensus mechanism and intelligent application based on machine learning, intelligent applications and efficient solutions of blockchain in emerging industries, smart contract technology and security detection. This book serves as an ideal recourse for scholars, researchers, industry leaders, and policymakers in the field of blockchain technologies.
