Blockchain Kaigi 2022, BCK22 Program (ver.12, 28/07/2022)

Aug. 4th MorningOpening Remarks (9:00-9:10)
Yuichi Ikeda (Kyoto University)
Invited Talks (9:10-10:40) SC: Yuichi Ikeda (Kyoto University)(I1) Aniket Kate (Purdue University, Supra Oracles) [35 min Online Talk, 10 min Q&A]
“Distributed IOweYou Credit Networks: Possibilities and Challenges”(I2) Dorit Aviv (University of Pennsylvania) [35 min Online Talk, 10 min Q&A]
“Incentivizing sustainability with a blockchain-sensor network”
General Talks (10:40-12:00) SC: Yoshimasa Hidaka (KEK)(G1) Daniel Harrell (University of Texas) [15 min Online Talk, 5 min Q&A]
“Improving patient data liquidity and medical information sharing with livenessconfirmation using self-sovereign identity”(G2) Yuichi Ikeda (Kyoto University) [15 min Talk, 5 min Q&A]
“Energy Trading System EDISON using the XRP Ledger”(G3) Kazuta Takahashi (Miyagi Prefectural Forestry Technology Institute) [15 min Talk, 5 min
Q&A]“The practice of DX in forestry and wood industry -Creation of new value by blockchainsystem-”(G4) Thiago Negrão Chuba (Kyoto University) [15 min Online Talk, 5 min Q&A]
“A new panorama for Intellectual Property: The benefits and challenges of Blockchain”

1Lunch Break [75 min] Submission Invitations for Proceedings shown on Screen
Aug. 4th Afternoon
Business Session (13:15-15:15)（In Japanese) SC: Emi Yoshikawa (Ripple Lab Inc)
(I3) Mamoru Fujimoto (SBI Holdings, Inc.) [30min Talk in Japanese]“Blockchain implementation started from financial use cases and now extends to nonfinancial use cases”(I4) Shinichi Yamashita (NTT Data Corporation) [30min Online Talk in Japanese]“Blockchain Today Stepping Forward to Solve Social Challenges”(I5) Keisuke Yamane (Accenture Japan Ltd.) [30min Talk in Japanese]“The future of Metaverse Continuum and Web3”
Discussion [30min in Japanese][15 min break]General Talks (15:30-16:30) SC: Tetsuo Hatsuda (Riken)(G5) Abhijit Chakraborty (Kyoto University) [15 min Talk, 5 min Q&A]
“Correlation tensor spectra of XRP transaction networks”(G6) Masanori Yamanaka (Nihon University) [15 min Talk, 5 min Q&A]
“Comparison of statistical properties of price fluctuations of cryptocurrencies and stockprices”(G7) Hideaki Aoyama (Kyoto University) [15 min Talk, 5 min Q&A]
“Global distribution of Crypto asset traders”
Invited Talks (16:30-18:00) SC: Hideaki Aoyama (Kyoto University)(I6) Claudio J. Tessone (University of Zurich) [35 min Online Talk, 10 min Q&A]
“The Complexity of Blockchains: From macro-economic functioning to consensus”
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(I7) Ginestra Bianconi (Queen Mary University of London) [35 min Online Talk, 10 min Q&A]
“Higher-order networks: topology and dynamics”

Aug. 5th Morning
Keynote Session (9:00-10:00) SC: Yuichi Ikeda (Kyoto University)(K1) Vitalik Buterin (Co-founder of Ethereum) [30min Online Talk](K2) David Schwartz (CTO at Ripple Lab Inc) [30min Online Talk]
Invited Talks (10:00-10:45) SC: Yuichi Ikeda (Kyoto University)(I8) Masaki Bessho (Bank of Japan) [35 min Talk, 10 min Q&A]
“Central Bank Digital Currencies: Motivations, Technologies, and Policy Considerations”
General Talks (10:45-11:45) SC: Hideaki Aoyama (Kyoto University)(G8) Yuji Aruka (Chuo University) [15 min Talk, 5 min Q&A]
“The role of money by Frederic Soddy, Nobel Laureate in chemistry in 1922”(G9) Taisei Kaizoji (International Christian University) [15 min Talk, 5 min Q&A]
“Foundation of Econophysics”(G10) Irena Vodenska (Boston University) [15 min Online Talk, 5 min Q&A]
“Blockchain and Cryptocurrency Interface with the Global Economy”
Lunch Break [75 min] Submission Invitations for Proceedings shown on Screen
Aug. 5th Afternoon
Invited Talks (13:00-14:30) SC: Yoshimasa Hidaka (KEK)(I9) Tomoyuki Shirai (Kyushu University) [35 min Talk, 10 min Q&A]
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“Persistent homology and its applications”(I10) Naoki Masuda (University at Buffalo) [35 min Talk, 10 min Q&A]
“State dynamics view of temporal network data: Recurrence and embedding”[15 min break]General Talks (14:45-17:05) SC: Tetsuo Hatsuda (Riken)(G11) Akihiro Fujihara (Chiba Institute of Technology) [15 min Talk, 5 min Q&A]
“Theoretical Considerations on Bitcoin Block Size Distribution”(G12) Hiroshi Uehara (Risho University) [15 min Talk, 5 min Q&A]
“Acquiring Semantic Mode Signal from Tweets of #Crypto Currencies – A trial of
detecting semantic direction from high dimensional word vector space with sparsity –”(G13) Hiromitsu Goto (Kanazawa Gakuin University) [15 min Talk, 5 min Q&A]
“Multilayer Network Analysis for Industrial Supply Chains of Japanese Prefecture”(G14) Yoshi Fujiwara (University of Hyogo) [15 min Talk, 5 min Q&A]
“Network Analysis of Bitcoins Transactions among Big Players”(G15) Yuichi Ikeda (Kyoto University) [15 min Talk, 5 min Q&A]
“Hodge Decomposition of the Remittance on the XRP ledger”(G16) Yoshimasa Hidaka (KEK) [15 min Talk, 5 min Q&A]
“Flow frequency, price bubble and its collapse in Bitcoin and XRP”
(G17) Akira Fukata (NEC Solution Innovators, Ltd.) [15 min Talk, 5 min Q&A]
“Creating new value with Blockchain Technology”
Invited Talks (17:05-17:50) SC: Emi Yoshikawa (Ripple Lab Inc)
(I11) Hitoshi Okada (National Institute of Informatics) [35 min Online Talk, 10 min Q&A]
“Aspects of research on the structural characteristics and institutional challenges ofDecentralized Autonomous Organizations”
4Closing Remarks & Submission Instructions for Proceedings (17:50-18:05)
Hideaki Aoyama (Kyoto University)5