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Paper Abstract and Keywords
Presentation 0000-00-00 00:00
Proposing the privacy-preserving cross-chain communication
Hideaki Miyaji, Noriaki Kamiyama (RU) IT2023-127 ISEC2023-126 WBS2023-115 RCC2023-109
Abstract (in Japanese) (See Japanese page) 
(in English) Cross-chain communication is a cryptographic technique for sending and receiving tokens and data among different blockchains. To make cross-chain communication more feasible, there are many existing studies on cross-chain communication between multiple blockchains. For example, Zala et al. constructed a cross-chain communication among multiple blockchains using a parent-child blockchain. However, their scheme uses Byzantine agreements to prove the honesty of the parent blockchain, and the number of intermediaries may be larger than the number of blockchains. Also, their scheme cannot prove that both the sender and receiver of a token cannot act maliciously. In this proposal, we propose a privacy-preserving and data-volume-reducing cross-chain communication scheme, called a commitment scheme, which solves the above problems of the parent-child blockchain proposed by Zala et al.
Keyword (in Japanese) (See Japanese page) 
(in English) cross-chain communication / parent-child blockchain / zero-knowledge proof / commitment scheme / unlinkability / unforgeability / scalability /  
Reference Info. IEICE Tech. Rep., vol. 123, no. 424, ISEC2023-126, pp. 324-331, March 2024.
Paper # ISEC2023-126 
Date of Issue 2024-03-06 (IT, ISEC, WBS, RCC) 
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 IT2023-127 ISEC2023-126 WBS2023-115 RCC2023-109

Conference Information
Committee RCC ISEC IT WBS  
Conference Date 2024-03-13 - 2024-03-14 
Place (in Japanese) (See Japanese page) 
Place (in English) Osaka Univ. (Suita Campus) 
Topics (in Japanese) (See Japanese page) 
Topics (in English) RCC, ISEC, IT, WBS 
Paper Information
Registration To ISEC 
Conference Code 2024-03-RCC-ISEC-IT-WBS 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Proposing the privacy-preserving cross-chain communication 
Sub Title (in English)  
Keyword(1) cross-chain communication  
Keyword(2) parent-child blockchain  
Keyword(3) zero-knowledge proof  
Keyword(4) commitment scheme  
Keyword(5) unlinkability  
Keyword(6) unforgeability  
Keyword(7) scalability  
Keyword(8)  
1st Author's Name Hideaki Miyaji  
1st Author's Affiliation Ritsumeikan University (RU)
2nd Author's Name Noriaki Kamiyama  
2nd Author's Affiliation Ritsumeikan University (RU)
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Speaker Author-1 
Date Time 0000-00-00 00:00:00 
Presentation Time minutes 
Registration for ISEC 
Paper # IT2023-127, ISEC2023-126, WBS2023-115, RCC2023-109 
Volume (vol) vol.123 
Number (no) no.423(IT), no.424(ISEC), no.425(WBS), no.426(RCC) 
Page pp.324-331 
#Pages 8 
Date of Issue 2024-03-06 (IT, ISEC, WBS, RCC) 

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