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Paper Abstract and Keywords
Presentation 2020-07-20 13:25
Risk analysis of zero downtime mechanism by dispersibility in blockchain technology (2)
Wataru Taguchi (Tsukuba Univ.), Kazumasa Omote (Tsukuba Univ./NICT) ISEC2020-19 SITE2020-16 BioX2020-22 HWS2020-12 ICSS2020-6 EMM2020-16
Abstract (in Japanese) (See Japanese page) 
(in English) Blockchain technology has been used as the basis of crypto assets since the advent of Bitcoin, and new operation methods are being discussed daily.
At the Security Summer Summit 2019, we confirmed that there are nodes that are also operating on the blockchain network of valueless crypto assets for which there is no reason to operate.
And it was clarified that nodes of multiple stocks among them have biased regional dispersion.
Therefore, in this paper, we check the operation status of various crypto assets, report the network status of each crypto asset, and discuss the risks of nondisruptive mechanism due to decentralization.
Keyword (in Japanese) (See Japanese page) 
(in English) blockchain / curypto currenct / altcoin / / / / /  
Reference Info. IEICE Tech. Rep., vol. 120, no. 112, ISEC2020-19, pp. 33-38, July 2020.
Paper # ISEC2020-19 
Date of Issue 2020-07-13 (ISEC, SITE, BioX, HWS, ICSS, EMM) 
ISSN Print edition: ISSN 0913-5685  Online edition: ISSN 2432-6380
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 ISEC2020-19 SITE2020-16 BioX2020-22 HWS2020-12 ICSS2020-6 EMM2020-16

Conference Information
Conference Date 2020-07-20 - 2020-07-21 
Place (in Japanese) (See Japanese page) 
Place (in English) Online 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Security, etc. 
Paper Information
Registration To ISEC 
Conference Code 2020-07-SITE-ISEC-HWS-EMM-BioX-CSEC-SPT-ICSS 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Risk analysis of zero downtime mechanism by dispersibility in blockchain technology (2) 
Sub Title (in English)  
Keyword(1) blockchain  
Keyword(2) curypto currenct  
Keyword(3) altcoin  
1st Author's Name Wataru Taguchi  
1st Author's Affiliation University of Tsukuba (Tsukuba Univ.)
2nd Author's Name Kazumasa Omote  
2nd Author's Affiliation Tsukuba Univ./NICT (Tsukuba Univ./NICT)
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Date Time 2020-07-20 13:25:00 
Presentation Time 25 
Registration for ISEC 
Paper # IEICE-ISEC2020-19,IEICE-SITE2020-16,IEICE-BioX2020-22,IEICE-HWS2020-12,IEICE-ICSS2020-6,IEICE-EMM2020-16 
Volume (vol) IEICE-120 
Number (no) no.112(ISEC), no.113(SITE), no.114(BioX), no.115(HWS), no.116(ICSS), no.117(EMM) 
Page pp.33-38 
#Pages IEICE-6 
Date of Issue IEICE-ISEC-2020-07-13,IEICE-SITE-2020-07-13,IEICE-BioX-2020-07-13,IEICE-HWS-2020-07-13,IEICE-ICSS-2020-07-13,IEICE-EMM-2020-07-13 

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