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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 20 of 61  /  [Next]  
Committee Date Time Place Paper Title / Authors Abstract Paper #
IA, SITE, IPSJ-IOT [detail] 2024-03-12
14:10
Okinawa Miyakojima City Future Creation Center
(Primary: On-site, Secondary: Online)
Rerouting Tip Algorithm to Bypass Conflicting Transactions in Tangle
Changle Wan, Kazuyuki Shudo (Kyoto Univ.)
 [more]
IA, SITE, IPSJ-IOT [detail] 2024-03-12
14:35
Okinawa Miyakojima City Future Creation Center
(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.)
 [more]
IA, SITE, IPSJ-IOT [detail] 2024-03-12
13:20
Okinawa Miyakojima City Future Creation Center
(Primary: On-site, Secondary: Online)
Quantitative Analysis of the Mining Fairness in a Blockchain
Akira Sakurai (Tokyo tech), Kazuyuki Shudo (KU)
 [more]
IA, SITE, IPSJ-IOT [detail] 2024-03-12
13:45
Okinawa Miyakojima City Future Creation Center
(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.)
(To be available after the conference date) [more]
IA, SITE, IPSJ-IOT [detail] 2024-03-12
15:10
Okinawa Miyakojima City Future Creation Center
(Primary: On-site, Secondary: Online)
Analysis of Double-Spending Attacks with Limited Attack Time
Taishi Nakai (Kyoto Univ.), Akira Sakurai (Tokyo Tech), Kazuyuki Shudo (Kyoto Univ.)
 [more]
ICM, NS, CQ, NV
(Joint)
2023-11-22
14:35
Ehime Ehime Prefecture Gender Equality Center
(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
(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
(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
(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
(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
(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
(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
(Primary: On-site, Secondary: Online)
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
(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
(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 [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 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
SITE, IA, IPSJ-IOT [detail] 2021-03-01
11:45
Online Online Impact of saving attack on blockchain consensus
Kai Otsuki (TIT), Ryuya Nakamura (LayerX), Kazuyuki shudo (TIT) SITE2020-41 IA2020-37
(To be available after the conference date) [more] SITE2020-41 IA2020-37
pp.15-22
SITE, IA, IPSJ-IOT [detail] 2021-03-02
10:45
Online Online Broadcasts with Tree Selection on an Overlay Network
Takeshi Kaneko, Kazuyuki Shudo (TokyoTech) SITE2020-49 IA2020-45
On an overlay network where a number of nodes work autonomously in a decentralized way, the efficiency of broadcasts has... [more] SITE2020-49 IA2020-45
pp.64-71
IA 2021-01-29
14:25
Online Online A Routing Method for Range Queries Utilizing Detour Routes on Skip Graph
Yuya Miki, Takeshi Kaneko (Tokyo Tech), Ryohei Banno (Tokyo Tech/Kogakuin Univ.), Kazuyuki Shudo (Tokyo Tech) IA2020-33
A structured overlay is a technique to construct an autonomous decentralized network of nodes and to achieve efficient r... [more] IA2020-33
pp.15-20
 Results 1 - 20 of 61  /  [Next]  
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