The International Workshop “Blockchain Kaigi” (Kaigi: Meeting, Conference) aims at bringing together researchers and practitioners from various communities of science and technology working on areas related to FinTech, crypto-asset, and blockchain. Authors are encouraged to submit theoretical and/or applied articles on their research related to Blockchains in general.

Authors are invited to submit extended abstract describing original, previously unpublished work, not currently under review by another conference, workshop, or journal. Please submit your extended abstract using EasyChair, here.

The abstract should include the title of the presentation, the names and affiliations of the speaker and co-researcher(s), a description of the content of the presentation, and one figure or table to supplement the description. The abstract should be two pages at maximum. Only PDF files will be accepted for the review process.

Deadline of abstract submission for general speakers: Sep. 15, 2025.

Indicative Topics of Interest (not an exhaustive list):

  • Consensus, Fault-tolerance, Scalability
  • Cryptography & Mathematics
  • Applications in Cybersecurity
  • Digital Asset Market, AUM
  • Central Bank Digital Currency (CBDC)
  • Innovation Policy, SDGs
  • Modelling of on-chain activity
  • Digital Identity & Privacy
  • Token Ecosystem, Finternet
  • IoU networks, Settlements
  • Lightning networks, Interoperability
  • Smart Contract Verification, DAOs
  • Smart-Grid, Smart-City
  • FinTech, AgTech, HealthTech
  • Legal and Regulatory Issues
  • Network Science, Hypergraphs
  • Innovative Use Cases for public good
  • Ledger analytics for privacy and AML
  • ML Applications to Blockchain
  • Blockchain for AI/ML ecosystem
  • Simulation tools
  • Visualisation of transaction trails

Other topics in distributed ledger technologies will also be considered in the spirit of the above. Authors are invited to enter submissions describing original, previously unpublished work, not currently under review by another conference, workshop, or journal.

Proceedings Publication

Extended versions of accepted contributions will be invited for publication in JPS conference proceedings and a special issue of the Ledger Journal after your presentation at BCK25.

For accepted manuscripts, at least one author must attend and present the paper. BCK25 is an in-person event.

Conflict of Interest

Authors and Programme Committee members are required to indicate any possible conflict of interest.

Potential conflicts-of-interests include:

  • Advisor-advisee relationships at any time;
  • Professional collaborations, employer/employee relationships, or co-authorship within the past 5 years;
  • Current institutional conflicts; or
  • Close personal relationships.

Submission Guidelines

For compiling your submission (2-page extended abstract), please use this LaTeX template or this MS Word template. The abstract should include the title of the presentation, the names and affiliations of the speaker and co-researcher(s), a description of the content of the presentation, and one figure or table to supplement the description. The abstract should be two pages at maximum. Only PDF files will be accepted for the review process.

Deadline of abstract submission for general speakers: Sep. 15, 2025.

Venue

F. C. Kohli Auditorium
Department of Computer Science & Engineering
KRESIT Building, Main Gate Road, IIT Bombay, Mumbai 400076, India.
Google Map: https://maps.app.goo.gl/r6725MVg59wLeZUK8

Keynote Speakers

TBD

Invited Speakers

TBD