[CFRG] [Call for Papers] Blockchain Kaigi 2026 (BCK26)

[blockchain kaigi2026 <[e-mail]>]

Blockchain Kaigi 2026 (BCK26)
The 6th International Conference on Blockchain
https://www.blockchainkyoto.org/en/bck26

9–12 December 2026
Tokyo Skytree Town Campus, Chiba Institute of Technology, Tokyo, Japan

Blockchain Kaigi 2026 (BCK26) is a premier international conference dedicated to the scientific, engineering, economic, and societal aspects of blockchain and decentralized systems. The conference brings together researchers, engineers, entrepreneurs, policymakers, and students from around the world to discuss advances in distributed ledger technologies, Web3 infrastructures, digital assets, decentralized finance, cryptography, digital identity, AI integration, and next-generation trust infrastructures.

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.

About BCK26
===========

Blockchain Kaigi (BCK) is a leading international conference series dedicated to blockchain, Web3, digital assets, decentralized systems, and next-generation trust infrastructures. Since its inaugural edition at Kyoto University in 2021, the series has been hosted by Kyoto University (BCK21), Tohoku University (BCK22), RIKEN Kobe Campus (BCK23), the University of Zurich (BCK24), and IIT Bombay (BCK25). BCK26 marks the evolution of the series into a full-scale international conference held in Tokyo, bringing together researchers, engineers, entrepreneurs, policymakers, and innovators from around the world.

Why Attend BCK26?
================

• Present your latest research to an international audience
• Engage with leading researchers and industry practitioners
• Explore emerging directions in blockchain, Web3, and decentralized AI
• Build collaborations across academia, industry, and government
• Experience Tokyo and the Tokyo Skytree innovation district

Conference Vision
==============

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.

Topics of Interest
=============

​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

Submission Tracks
=================

Full Paper Track

This track is intended for authors who wish to publish a full archival paper in the BCK26 Proceedings.

** Conference Submission:
• 4-page abstract
• Light peer review

Decision categories:
• Oral Presentation
• Transfer to Extended Abstract Track
• Reject

Accepted submissions will be presented orally at BCK26.

** Post-Conference Proceedings Submission

Authors of accepted oral presentations will be invited to submit a full paper after the conference.

• Up to 15 pages in Springer proceedings format (excluding references, subject to publisher requirements)
• Double-anonymous peer review

Decision categories:
• Accept
• Minor Revision
• Major Revision
• Reject

Accepted papers will be included in the official BCK26 Proceedings (subject to final agreement with the publisher).

At least one author of each accepted paper must register for the conference and present the work in person.

Extended Abstract Track

This track is intended for emerging research, work-in-progress, industrial applications, demonstrations, and preliminary results.

** Conference Submission:
• 4-page abstract
• Light peer review

Decision categories:
• Short Oral Presentation
• Poster Presentation
• Reject

Accepted Extended Abstracts will be published in the BCK26 Book of Abstracts.

Accepted Extended Abstracts are intended for conference presentation and discussion and do not constitute archival publications.

Review Process
=============

All conference submissions will undergo an initial light peer review conducted by members of the Program Committee.

Evaluation criteria include:

• Relevance to conference themes
• Originality
• Technical quality
• Potential impact
• Clarity of presentation

For the Full Paper Track, authors of accepted oral presentations will be invited to submit a full manuscript after the conference. These manuscripts will undergo a separate double-anonymous peer review process for publication in the proceedings.

All submissions must be original and must not be simultaneously submitted to another archival publication venue.

The proceedings review process will follow the publisher's policies regarding:

• originality and plagiarism
• research ethics
• AI-assisted writing disclosure
• copyright and licensing

Publication
=========

It is scheduled to be published in the BCK26 Proceedings.

The proceedings will follow the publisher's manuscript preparation and publication guidelines.

Extended Abstracts will be published separately in the BCK26 Book of Abstracts and will not constitute archival publications.

Submission Site
=============

https://easychair.org/conferences/?conf=bck26
​
Registration Site
=============

https://pci.jotform.com/form/261762640280455
​
Important Dates
=============

• Abstract Registration Deadline: 17 August 2026
• Submission Deadline (Full Paper Track and Extended Abstract Track): 31 August 2026
• Notification of Acceptance: 30 September 2026
• Conference Dates: 9–12 December 2026
• Post-Conference Full Paper Submission: 28 February 2027
• First Review Results: 30 April 2027
• Revised Manuscript Submission: 31 May 2027
• Final Acceptance Notification: 30 June 2027
• Publication of Proceedings: According to the publisher's production schedule

(All deadlines are Anywhere on Earth, AoE.)

Organizing Committee
==================

General Chair: Yuichi Ikeda (Nagoya City University, Kyoto University)
Local Organizing Chair: Akihiro Fujihara (Chiba Institute of Technology)
Finance Chair: Claudio J. Tessone (University of Zurich)
Program Chairs: Kazumasa Omote (University of Tsukuba)
Publication Chair: Pierluigi Cesana (Kyushu University)
Publicity and Technical Chair: Rafik Hadfi (Kyoto University)

Program Committee
================

Kazumasa Omote (University of Tsukuba)
Yuichi Ikeda (Nagoya City University / Kyoto University)

Steering Committee
===============

​Yuichi Ikeda (Nagoya City university, Kyoto University)
Claudio J. Tessone (University of Zurich)
R.K. Shyamasundar (IIT Bombay)
Alfred Taudes (Vienna University of Economics and Business)
Tetsuo Hatsuda (RIKEN)
Hitoshi Okada (National Institute of Informatics)
Kazumasa Omote (University of Tsukuba)
Bernhard Haslhofer (Complexity Science Hub)
Akihiro Fujihara (Chiba Institute of Technology)
Pierluigi Cesana (Kyushu University)
Rafik Hadfi (Kyoto University)
Ali Emdad (Morgan State University)

Attendance Policy
==============

BCK26 is an in-person conference.

At least one author of each accepted submission must register and attend the conference to present the work.

Remote presentations will be considered only under exceptional circumstances approved by the Organizing Committee.

Venue
=====

TOKYO SKYTREE TOWN® CAMPUS, Chiba Institute of Technology, 8F Tokyo Skytree Town, Sumida-ku, Tokyo, Japan.

(Chiba Institute of Technology's Tokyo campus is located within Tokyo Skytree Town.)

Sponsors and Partners
==================

Support from academic institutions, industry partners, blockchain ecosystems, and international research networks is welcome. Sponsorship opportunities are available.