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Paper Abstract and Keywords
Presentation 2025-03-06 11:10
Fork rate reduction method for blockchain management system considering disaster
Tomoya Kato (SIT), Sumiko Miyata (Science Tokyo), Aram Mine (Gaiax), Eiji Kamioka (SIT) IN2024-96
Abstract (in Japanese) (See Japanese page) 
(in English) In the event of an earthquake or other disaster, information about the affected area needs to be shared quickly. However, a centralised management system may make it difficult to share information due to congestion or server failure. Blockchain has been touted as a solution, but bandwidth limitations and retransmissions during disasters may increase forking rates. Existing studies have analysed the processing delay, but have not yet started to analyse the forking rate, and have not analysed the analysis assuming a disaster. Therefore, this study shows that priority management is available by simulating existing studies. Moreover, the delay during a disaster is modeled by a gamma distribution, and a fork rate reduction scheme focusing on the block generation time is proposed and its effectiveness is shown by numerical calculations.
Keyword (in Japanese) (See Japanese page) 
(in English) disaster information management / blockchains / ethereum / gamma distribution / fork rate / / /  
Reference Info. IEICE Tech. Rep., vol. 124, no. 420, IN2024-96, pp. 98-103, March 2025.
Paper # IN2024-96 
Date of Issue 2025-02-27 (IN) 
ISSN Online edition: ISSN 2432-6380
Copyright
and
reproduction		 All rights are reserved and no part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopy, recording, or any information storage and retrieval system, without permission in writing from the publisher. Notwithstanding, instructors are permitted to photocopy isolated articles for noncommercial classroom use without fee. (License No.: 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034)
Download PDF IN2024-96

Conference Information
Committee IN NS  
Conference Date 2025-03-06 - 2025-03-07 
Place (in Japanese) (See Japanese page) 
Place (in English) Okinawa Industry Support Center 
Topics (in Japanese) (See Japanese page) 
Topics (in English) General 
Paper Information
Registration To IN 
Conference Code 2025-03-IN-NS 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Fork rate reduction method for blockchain management system considering disaster 
Sub Title (in English)  
Keyword(1) disaster information management  
Keyword(2) blockchains  
Keyword(3) ethereum  
Keyword(4) gamma distribution  
Keyword(5) fork rate  
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Keyword(8)  
1st Author's Name Tomoya Kato  
1st Author's Affiliation Shibaura Institute of Technology (SIT)
2nd Author's Name Sumiko Miyata  
2nd Author's Affiliation Institute of Science Tokyo (Science Tokyo)
3rd Author's Name Aram Mine  
3rd Author's Affiliation Gaiax Co.Ltd. (Gaiax)
4th Author's Name Eiji Kamioka  
4th Author's Affiliation Shibaura Institute of Technology (SIT)
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Speaker Author-1 
Date Time 2025-03-06 11:10:00 
Presentation Time 25 minutes 
Registration for IN 
Paper # IN2024-96 
Volume (vol) vol.124 
Number (no) no.420 
Page pp.98-103 
#Pages 6 
Date of Issue 2025-02-27 (IN) 

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