Committee |
Date Time |
Place |
Paper Title / Authors |
Abstract |
Paper # |
IN, NS (Joint) |
2025-03-06 11:35 |
Okinawa |
Okinawa Industry Support Center (Okinawa) |
How Mode Selection in Compact Block Relay Affects Mining Revenue Yuito Ueda, Akira Sakurai, Kazuyuki Shudo (Kyoto Univ.) |
[more] |
|
SITE, LOIS, ISEC |
2024-11-14 16:00 |
Fukuoka |
(Fukuoka) |
Loss based Byzantine-resilient Decentralized DeepLearning Shinnosuke Masuda, Kazuyuki Shudo (Kyoto Univ) ISEC2024-72 SITE2024-69 LOIS2024-36 |
[more] |
ISEC2024-72 SITE2024-69 LOIS2024-36 pp.66-70 |
IA |
2024-09-06 10:05 |
Hokkaido |
Hokkaido Univ. (Hokkaido, Online) (Primary: On-site, Secondary: Online) |
a totally local last-generated rule in a blockchain Akira Sakurai, Kazuyuki Shudo (KU) IA2024-19 |
As a method to suppress intentional forks in a blockchain, there is the last-generated rule, which selects the latest ch... [more] |
IA2024-19 pp.42-45 |
IA, SITE, IPSJ-IOT [detail] |
2024-03-12 14:10 |
Okinawa |
Miyakojima City Future Creation Center (Okinawa, Online) (Primary: On-site, Secondary: Online) |
Rerouting Tip Algorithm to Bypass Conflicting Transactions in Tangle Changle Wan, Kazuyuki Shudo (Kyoto Univ.) SITE2023-75 IA2023-81 |
[more] |
SITE2023-75 IA2023-81 pp.43-47 |
IA, SITE, IPSJ-IOT [detail] |
2024-03-12 14:35 |
Okinawa |
Miyakojima City Future Creation Center (Okinawa, Online) (Primary: On-site, Secondary: Online) |
High-bandwidth node selection in Compact Block relay Shinnosuke Masuda, Tsuyoshi Hasegawa, Taishi Nakai (Kyoto Univ.), Akira Sakurai (Tokyo Tech), Kazuyuki Shudo (Kyoto Univ.) SITE2023-76 IA2023-82 |
[more] |
SITE2023-76 IA2023-82 pp.48-53 |
IA, SITE, IPSJ-IOT [detail] |
2024-03-12 13:20 |
Okinawa |
Miyakojima City Future Creation Center (Okinawa, Online) (Primary: On-site, Secondary: Online) |
Quantitative Analysis of the Mining Fairness in a Blockchain Akira Sakurai (Tokyo tech), Kazuyuki Shudo (KU) SITE2023-77 IA2023-83 |
[more] |
SITE2023-77 IA2023-83 pp.54-58 |
IA, SITE, IPSJ-IOT [detail] |
2024-03-12 13:45 |
Okinawa |
Miyakojima City Future Creation Center (Okinawa, Online) (Primary: On-site, Secondary: Online) |
Factors Related to the Reward Rates in a DPoS Blockchain Hidemasa Tanaka (Tokyo Tech), Shiori Hironaka, Kazuyuki Shudo (Kyoto Univ.) SITE2023-78 IA2023-84 |
In the blockchain architecture, there are various consensus methods, such as Proof of Work (PoW), Proof of Stake (PoS) a... [more] |
SITE2023-78 IA2023-84 pp.59-65 |
IA, SITE, IPSJ-IOT [detail] |
2024-03-12 15:10 |
Okinawa |
Miyakojima City Future Creation Center (Okinawa, Online) (Primary: On-site, Secondary: Online) |
The More Halving Advances, the More Rational Double Spending Attack is Taishi Nakai (Kyoto Univ.), Akira Sakurai (Tokyo Tech), Kazuyuki Shudo (Kyoto Univ.) SITE2023-81 IA2023-87 |
[more] |
SITE2023-81 IA2023-87 pp.79-85 |
ICM, NS, CQ, NV (Joint) |
2023-11-22 14:35 |
Ehime |
Ehime Prefecture Gender Equality Center (Ehime, Online) (Primary: On-site, Secondary: Online) |
Quantitative Analysis of the Reward Rate Disparity Among Delegators in a DPoS Blockchain Hidemasa Tanaka (Tokyo Tech), Shiori Hironaka, Kazuyuki Shudo (Kyoto Univ.) NS2023-122 |
In the blockchain architecture, there are various consensus methods, such as Proof of Work (PoW), Proof of Stake (PoS) a... [more] |
NS2023-122 pp.68-73 |
IA |
2023-09-22 15:00 |
Hokkaido |
Hokkaido Univeristy (Hokkaido, Online) (Primary: On-site, Secondary: Online) |
Signing key management in cryptocurrency custodians learned from DNSSEC Yuto Takei (Mercari/Tokyo Tech), Kazuyuki Shudo (Kyoto Univ.) IA2023-30 |
Japanese cryptocurrency exchanges hold over 1 trillion yen worth of cryptocurrency in total as of June 2023. The exchang... [more] |
IA2023-30 pp.115-122 |
IA |
2023-09-22 15:25 |
Hokkaido |
Hokkaido Univeristy (Hokkaido, Online) (Primary: On-site, Secondary: Online) |
The blockchain trilemma described by a formula Taishi Nakai (Kyoto Univ.), Akira Sakurai (Tokyo Tech), Shiori Hironaka, Kazuyuki Shudo (Kyoto Univ.) IA2023-31 |
[more] |
IA2023-31 pp.123-130 |
IA |
2023-09-22 15:50 |
Hokkaido |
Hokkaido Univeristy (Hokkaido, Online) (Primary: On-site, Secondary: Online) |
Tie Breaking Rule Based on Transaction Fees in a Blockchain Akira Sakurai (Tokyo Tech), Kazuyuki Shudo (Kyoto University) IA2023-32 |
[more] |
IA2023-32 pp.131-138 |
IN, NS (Joint) |
2023-03-02 16:10 |
Okinawa |
Okinawa Convention Centre + Online (Okinawa, Online) (Primary: On-site, Secondary: Online) |
Simulation Evaluation of Multiple Plumtree Application in Blockchain Networks Yusuke Kitgawa (Kogakuin Univ.), Kazuyuki Shudo (Tokyo Tech), Osamu Mizuno, Ryohei Banno (Kogakuin Univ.) NS2022-204 |
In a blockchain, many nodes are randomly interconnected to form a peer-to-peer (P2P) network, and each node broadcasts i... [more] |
NS2022-204 pp.213-218 |
IA, CQ, MIKA (Joint) |
2022-09-15 16:00 |
Hokkaido |
Hokkaido Citizens Actives Center (Hokkaido, Online) (Primary: On-site, Secondary: Online) |
Simulation Evaluation of Plumtree Application in Blockchain Networks Yusuke Kitagawa (Kogakuin Univ), Kazuyuki Shudo (Tokyo Tech), Osamu Mizuno, Ryohei Banno (Kogakuin Univ) IA2022-19 |
In a blockchain, many nodes are randomly interconnected to form a peer-to-peer (P2P) network, and each node broadcasts i... [more] |
IA2022-19 pp.26-31 |
CQ |
2022-07-22 10:30 |
Osaka |
Ritsumeikan Ibaraki Future Plaza Conference Hall (Osaka, Online) (Primary: On-site, Secondary: Online) |
[Invited Talk]
Researches on Blockchain "Networks" Kazuyuki Shudo (Kyoto Univ.) CQ2022-24 |
[more] |
CQ2022-24 p.42 |
IA, ICSS |
2022-06-23 13:30 |
Nagasaki |
Univ. of Nagasaki (Nagasaki, Online) (Primary: On-site, Secondary: Online) |
A Distributed Clock Synchronization Protocol for Proof of Stake Blockchain Yuya Miki, Kazuyuki Shudo (Tokyo Tech) IA2022-2 ICSS2022-2 |
In a Proof of Stake (PoS) blockchain, all nodes need to be able to recognize approximately synchronized clocks. A PoS bl... [more] |
IA2022-2 ICSS2022-2 pp.8-14 |
IA, SITE, IPSJ-IOT [detail] |
2022-03-07 15:20 |
Kyoto |
Kyoto University, Yoshida Campus (Kyoto, Online) (Primary: On-site, Secondary: Online) |
Accelerating Block Propagation by Sender Switchover in a Blockchain Network Akira Sakurai, Kazuyuki Shudo (Tokyo Tech) SITE2021-54 IA2021-67 |
[more] |
SITE2021-54 IA2021-67 pp.52-57 |
IA, SITE, IPSJ-IOT [detail] |
2022-03-07 15:45 |
Kyoto |
Kyoto University, Yoshida Campus (Kyoto, Online) (Primary: On-site, Secondary: Online) |
Block Interval Adjustment Based on Block Propagation Time in A Blockchain Masumi Arakawa, Kazuyuki Shudo (Tokyo Tech) SITE2021-55 IA2021-68 |
Throughput (TPS) of transaction confirmation is one of the most important performance metrics of public blockchains. It ... [more] |
SITE2021-55 IA2021-68 pp.58-62 |
PN, NS, OCS (Joint) |
2021-06-24 15:00 |
Online |
Online (Online) |
[Invited Talk]
t.b.d. Kazuyuki Shudo (Tokyo Tech) NS2021-27 OCS2021-3 PN2021-9 |
Blockchain is supported by cryptography as its origin Bitcoin is called cryptocurrency. On the one hand theories and tec... [more] |
NS2021-27 OCS2021-3 PN2021-9 p.14(NS), p.14(OCS), p.32(PN) |
IA, ICSS |
2021-06-21 15:50 |
Online |
Online (Online) |
Verification of Applying Plumtree Algorithm to Blockchain Networks Yusuke Kitagawa (Kogakuin Univ.), Kazuyuki Shudo (Tokyo Tech), Osamu Mizuno, Ryohei Banno (Kogakuin Univ.) IA2021-7 ICSS2021-7 |
Blockchain is gaining attention as a technology to support cryptocurrency. It is a system that prevents internal and ext... [more] |
IA2021-7 ICSS2021-7 pp.39-42 |