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Paper Abstract and Keywords
Presentation 2020-11-26 09:30
Proxy-typed elimination technology of duplicate processing that realizes cooperation between blockchain systems
Jun Nakajima, Yoji Ozawa (Hitachi) ICM2020-18
Abstract (in Japanese) (See Japanese page) 
(in English) In recent years, the use of blockchain has progressed in various industries, and the need for cooperation between systems using blockchain has increased. When linking, if linking is performed via an application, the problems are that it becomes difficult to ensure the transparency of processing and that a single trust point is created. On the other hand, when the blockchains are directly linked with each other, each node participating in the linking source blockchain calls the linking destination blockchain by mutual verification of the processing contents, which is a characteristic of the blockchain. The problem is that the same processing is executed unnecessarily.
In this study, we proposed the Proxy-typed elimination technology of duplicate processing that realizes cooperation between blockchain systems based on the identification information of processing.We developed and evaluated the cooperation from the system that handles the transaction information of the product to the system that handles the payment information of the product. As a result of the evaluation, we confirmed the feasibility of cooperation between blockchain systems that can ensure the transparency of processing and does not cause unnecessary duplicate processing. In addition, it was confirmed that the processing performance related to cooperation can be improved by eliminating duplicate processing.
Keyword (in Japanese) (See Japanese page) 
(in English) blockchain / elimination technology of duplicate processing / cooperation between blockchain systems / / / / /  
Reference Info. IEICE Tech. Rep., vol. 120, no. 259, ICM2020-18, pp. 1-6, Nov. 2020.
Paper # ICM2020-18 
Date of Issue 2020-11-19 (ICM) 
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)
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Conference Information
Committee NS ICM CQ NV  
Conference Date 2020-11-26 - 2020-11-27 
Place (in Japanese) (See Japanese page) 
Place (in English) Online 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Network quality, Network measurement/management, Network virtualization, Network service, Blockchain, Security, Network intelligence, etc. 
Paper Information
Registration To ICM 
Conference Code 2020-11-NS-ICM-CQ-NV 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Proxy-typed elimination technology of duplicate processing that realizes cooperation between blockchain systems 
Sub Title (in English)  
Keyword(1) blockchain  
Keyword(2) elimination technology of duplicate processing  
Keyword(3) cooperation between blockchain systems  
1st Author's Name Jun Nakajima  
1st Author's Affiliation Hitachi Ltd. (Hitachi)
2nd Author's Name Yoji Ozawa  
2nd Author's Affiliation Hitachi Ltd. (Hitachi)
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Date Time 2020-11-26 09:30:00 
Presentation Time 25 
Registration for ICM 
Paper # IEICE-ICM2020-18 
Volume (vol) IEICE-120 
Number (no) no.259 
Page pp.1-6 
#Pages IEICE-6 
Date of Issue IEICE-ICM-2020-11-19 

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