Blockchain Kaigi 2023 (BCK23) Program (Final version)
The Integrated Innovation Building (IIB) at the RIKEN Kobe Campus.
October 28th -29th, 2023
October 28th (Sat) MorningOpening Remarks, including Announcement of Proceedings (9:00-9:10)
Yuichi Ikeda (Kyoto University)
Keynote Speech (9:10-9:50) (Online, West Coast: 27th 17:10, East Coast: 27th 20:10) SC:
Yuichi Ikeda (Kyoto University)(K1) Aanchal Malhotra (Ripple Lab Inc.) [30 min Talk, 10 min Q&A]
“The Future Outlook of the XRPL”
Invited Talks (9:50-11:10) SC: Tetsuo Hatsuda (RIKEN iTHEMS)(I1) Victor Fang (AnChain.AI) [30 min Talk, 10 min Q&A]
“How Artificial Intelligence Disrupts Status Quo of Web3 Security”(I2) Tsuyoshi Ide (IBM Thomas J. Watson Research Center) [30 min Talk, 10 min Q&A]
“Decentralized Collaborative Machine Learning Framework with Democracy, Diversity, andPrivacy”
General Talks (11:10-12:00) SC: Tetsuo Hatsuda (RIKEN iTHEMS)(G1) Claudio J. Tessone (University of Zurich) [15 min Talk, 10 min Q&A]
“Deceptive Trading in Decentralised Finance and NFT Markets: A blockchain analytics
approach”(G2) Hideaki Aoyama (Kyoto University/RIETI) [15 min Talk, 10 min Q&A]
“Where are the Cryptoasset nodes located? -Eye-Map identification of the longitude of nodes-”Lunch break (12:00-13:40)
October 28th (Sat) Afternoon
General Talks (13:40-14:55) SC: Akihiro Fujihara (Chiba Institute of Technology)(G3) Masaki Sakurai (Chiba Institute of Technology) [15 min Talk, 10 min Q&A]
“Proposal of Fact-Checking Registry using Bitcoin SV”
1

(G4) Yu Kimura (Interoperability Labs Ltd.) [15 min Talk, 10 min Q&A]
“Theory of EDISON-X order automation using several machine learning approaches”(G5) Ryosuke Nakazawa (Chiba Institute of Technology) [15 min Talk, 10 min Q&A]
“Proposal of fact-checking DAO and its experimental trials”
Break (14:55-15:15)
General Talks (15:15-16:30) SC: Claudio J. Tessone (Univ. of Zurich)(G6) Shinya Hirata (Kyushu University) [15 min Talk, 10 min Q&A]
“Bitcoin Transactions Stochastic Model Simulation”(G7) Zheng Nan (Yamanashi Gakuin University) [15 min Talk, 10 min Q&A]
“How did bitcoin markets evolve: A comparison with the USD/EUR foreign exchange spotmarket?”(G8) Abhijit Chakraborty (Kyoto University) [15 min Talk, 10 min Q&A]
“Dynamic relationship between XRP price and correlation tensor spectra of the transaction
network”
October 29th (Sun) Morning
Keynote Speech (9:00-9:40) (Online, West Coast: 28th 17:00, East Coast: 28th 20:00) SC:Tomoyuki Shirai (Kyushu University)(K2) Wakefield Scott Stornetta (Creative Destruction Lab) [30 min Talk, 10 min Q&A]
“The Blockchain: Past, Present, and Future”
Invited Talks (9:40-10:20) SC: Tomoyuki Shirai (Kyushu University)(I3) Hiroyoshi Miwa (Kwansei Gakuin University) [30 min Talk, 10 min Q&A]
“Developing human resources capable of using blockchain technology”
General Talks (10:20-11:35) SC: Yoshimasa Hidaka (KEK Theory Center)(G9) Taishi Nakai (Kyoto University) [15 min Talk, 10 min Q&A]
“Towards Mathematical Formulation of the Blockchain Trilemma”(G10) Gopikrishnan Muraleedharan (Macquarie University) [15 min Talk, 10 min Q&A]
“Proof-of-work consensus by quantum sampling”(G11) Tsuyoshi Hirayama (IBM Japan, Ltd.) [15 min Talk, 10 min Q&A]
“Breakthrough of Crypto Currency Derivatives and Quantum Finance Utilization”

2

Lunch break (11:35-13:15)
October 29th (Sun) Afternoon
Invited Talk (13:15-15:15) SC: Abhijit Chakraborty (Kyoto University)(I4) Shoji Kasahara (Nara Institute of Science and Technology) [30 min Talk, 10 min Q&A]
“Modeling and Analysis of Bitcoin Mining Mechanism –A Queueing Theoretical Approach–”(I5) Wang Qin (CSIRO) [30 min Talk, 10 min Q&A]
“Tokenomics and Beyond”(I6) Shingo Fujimoto (Data & Security Research laboratory, Fujitsu Limited.) [30 min Talk,10 min Q&A]
“Smart contract-based automated token economy”
Break (15:15-15:35)
General Talks (15:35-16:00) SC: Yuichi Ikeda (Kyoto University)(G12) Akihiro Fujihara (Chiba Institute of Technology) [15 min Talk, 10 min Q&A]
“Investigating the probability distribution of average block time in proof-of-stake consensus
algorithm using extreme value theory”
Invited Talk (Company Session in Japanese) (16:00-17:00) SC: Yuichi Ikeda (KyotoUniversity)(I7) Syuga Yamamoto (Gaiax Co.Ltd) [20 min Talk, 10 min Q&A]
「日本に馴染む DAO の形」(I8) Mayu Yokoyama (Nippon Yusen Kabushiki Kaisha) [20 min Talk, 10 min Q&A]
「日本郵船 社内有志 DAO 活動の紹介」
Closing Remark, including Announcement of Proceedings (17:00-17:10)
Tetsuo Hatsuda (RIKEN iTHEMS)

3