Blockchain Kaigi 2026 (BCK26) is a premier international conference dedicated to the scientific, engineering, economic, and societal aspects of blockchain and decentralized systems. Building upon a successful international conference series that has spanned Japan, Switzerland, and India, BCK26 aims to provide a rigorous academic venue while fostering interaction between academia, industry, startups, and public institutions. BCK26 aims to foster interdisciplinary collaboration across blockchain, Web3, decentralized AI, cybersecurity, digital finance, digital identity, and future digital infrastructures. The conference seeks to bridge cutting-edge academic research with real-world industrial and societal impact.
CFP Topics/Tracks
​Technical Foundations:
• Consensus protocols, scalability, interoperability
• Cryptography, zero-knowledge proofs, formal verification
• Smart contracts, DAOs, Layer-2 technologies
• Distributed systems and decentralized infrastructure
• Network science, graph analytics, hypergraphs
Applications:
• Digital assets and token economies
• CBDCs and financial innovation
• Supply chains, healthcare, agriculture, IoT
• Digital identity and privacy-preserving technologies
• Sustainability and SDG-oriented applications
AI and Data Science:
• Decentralized AI and AI agents
• Machine learning for blockchain analytics
• Blockchain infrastructure for AI ecosystems
• Data provenance and trustworthy AI
Security and Regulation:
• Blockchain security and forensics
• AML, compliance, and risk management
• Governance, regulation, and policy