Committee |
Date Time |
Place |
Paper Title / Authors |
Abstract |
Paper # |
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, SITE, IPSJ-IOT [detail] |
2022-03-08 14:55 |
Kyoto |
Kyoto University, Yoshida Campus (Primary: On-site, Secondary: Online) |
A study on electric energy consumption and measures to reduce environmental impact for public blockchain Yusuke Kaneko (JRI) SITE2021-60 IA2021-73 |
Public blockchains, the lower layers of cryptocurrencies, security tokens, and Non-Fungible Token (NFT), are consuming m... [more] |
SITE2021-60 IA2021-73 pp.83-88 |
BioX, ISEC, SITE, ICSS, EMM, HWS, IPSJ-CSEC, IPSJ-SPT [detail] |
2021-07-20 14:25 |
Online |
Online |
Computer experiment evaluation for time variance of virtual currency mining using cryptographic hash function Kei Ikebe, Kouichi Sakurai (Kyushu Univ.) ISEC2021-36 SITE2021-30 BioX2021-37 HWS2021-36 ICSS2021-41 EMM2021-41 |
Cryptocurrencies are searching for solutions to difficult-to-calculate problems called mining when conducting transactio... [more] |
ISEC2021-36 SITE2021-30 BioX2021-37 HWS2021-36 ICSS2021-41 EMM2021-41 pp.161-166 |
ISEC, IT, WBS |
2020-03-10 11:55 |
Hyogo |
University of Hyogo (Cancelled but technical report was issued) |
Consideration on Kleptographic Attack on Cryptocurrency Monero Sho Minami, Takashi Nishide (Tsukuba Univ.) IT2019-91 ISEC2019-87 WBS2019-40 |
Kleptographic attacks involves embedding the attacker's public key in the attack target encryption/signature system, and... [more] |
IT2019-91 ISEC2019-87 WBS2019-40 pp.7-14 |
NS, IN (Joint) |
2020-03-05 11:20 |
Okinawa |
Royal Hotel Okinawa Zanpa-Misaki (Cancelled but technical report was issued) |
Effects of Coin Age on Centralization of Proof-of-Stake Blockchains Shu Takayama, Ryunosuke Nagayama, Kai Otsuki, Kazuyuki Shudo (Tokyo Tech) NS2019-207 |
Proof-of-Stake is a type of consensus protocol used in blockchain technology. Peercoin is the first cryptocurrency with ... [more] |
NS2019-207 pp.175-178 |
IT, ISEC, WBS |
2019-03-08 11:40 |
Tokyo |
University of Electro-Communications |
Act-Finding Survey on Cryptocurrency Exchanges in Japan and Overseas(2) Tomoki Fujitani, Kazumasa Omote (Univ. of Tsukuba) IT2018-107 ISEC2018-113 WBS2018-108 |
The issue of cryptocurrency exchanges gains prominent attention by the incidents that a large amount of NEM is leaked fr... [more] |
IT2018-107 ISEC2018-113 WBS2018-108 pp.193-200 |
HWS, ISEC, SITE, ICSS, EMM, IPSJ-CSEC, IPSJ-SPT [detail] |
2018-07-25 16:15 |
Hokkaido |
Sapporo Convention Center |
A design of interest-rate recordable cryptocurrency management program Yusuke Kaneko (SMBC/JRI), Shigeyuki Osada (JRI), Shigeyuki Azuchi (HAW), Hitoshi Okada (NII), Shigeichiro Yamasaki (KINDAI Univ.) ISEC2018-27 SITE2018-19 HWS2018-24 ICSS2018-30 EMM2018-26 |
Cryptocurrencies based on blockchain technology keep the deposit’s total amount to meet withdraws’ one for preventing do... [more] |
ISEC2018-27 SITE2018-19 HWS2018-24 ICSS2018-30 EMM2018-26 pp.143-148 |
HWS, ISEC, SITE, ICSS, EMM, IPSJ-CSEC, IPSJ-SPT [detail] |
2018-07-26 13:45 |
Hokkaido |
Sapporo Convention Center |
Consideration on Crypto Key Management Devices on the Market. Kohei Isobe, Keisuke Hasegawa, Tadahiko Ito (SECOM) ISEC2018-40 SITE2018-32 HWS2018-37 ICSS2018-43 EMM2018-39 |
Cryptographic key management devices have been widely used to hire crypt-technologies securely. Most of these cryptograp... [more] |
ISEC2018-40 SITE2018-32 HWS2018-37 ICSS2018-43 EMM2018-39 pp.327-332 |
ISEC |
2018-05-16 14:00 |
Tokyo |
Ookayama Campus, Tokyo Institute of Technology |
Analysis of the cryptocurrency network using darknet traffic Mitsuyoshi Imamura (Univ-Tsukuba/NomuraAM), Kazumasa Omote (Univ-Tsukuba) ISEC2018-6 |
Cryptocurrency such as bitcoins ia a peer-to-peer(P2P) network systems based on distributed ledger technology called blo... [more] |
ISEC2018-6 pp.29-34 |
ISEC |
2018-05-16 14:25 |
Tokyo |
Ookayama Campus, Tokyo Institute of Technology |
Survey on Tracking of Leaked NEM by Coincheck Incident Teppei Sato (Univ. of Tsukuba), Mitsuyoshi Imamura (Univ. of Tsukuba/NomuraAM), Kazumasa Omote (Univ. of Tsukuba) ISEC2018-7 |
Some volunteers had performed tracking a huge amount of NEM leaked from CoinCheck by sending specific mosaics which no o... [more] |
ISEC2018-7 pp.35-41 |
ISEC |
2018-05-16 14:50 |
Tokyo |
Ookayama Campus, Tokyo Institute of Technology |
Act-Finding Survey on Cryptocurrency Exchanges in Japan and Overseas Tomoki Fujitani (Univ. of Tsukuba), Mitsuyoshi Imamura (Univ. of Tsukuba/NomuraAM), Kazumasa Omote (Univ. of Tsukuba) ISEC2018-8 |
The issue of Cryptocurrency Exchanges gains prominent attention by the incident that a large amount of NEM is leaked fro... [more] |
ISEC2018-8 pp.43-49 |
IN |
2016-01-21 16:50 |
Aichi |
Nagoya Kigyou Fukushi Kaikan |
[Invited Talk]
Blockchain technology and its potential Shigeru Fujimura, Hiroki Watanabe, Shigenori Ohashi, Atsushi Nakadaira, Yasuhiko Miyazaki, Koichi Maruyama, Akihito Akutsu (NTT), Jay (Junichi) Kishigami (Muroran Inst. of Tech) IN2015-101 |
A blockchain technology is the core technology of the bitcoin and one of its technological features is that it is possib... [more] |
IN2015-101 pp.35-40 |