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Paper Abstract and Keywords
Presentation 2024-07-18 13:45
Implementation and basic evaluation of a High-Reliability Misdelivery Vehicle Audit System Using Smart Contracts
Hikaru Tomita (KIT), Hiroshi Yamamoto (Rits), Daiki Nobayashi, Takeshi Ikenaga, Kazuya Tsukamoto (KIT) NS2024-57
Abstract (in Japanese) (See Japanese page) 
(in English) Advancements in IoT technology generate various data types, including spatio-temporal data (STD) linked to specific times and spaces, and STD-RS, which uses vehicles for data distribution. However, vehicles with location errors may distribute data outside designated areas. Previous research proposed a multi-layered blockchain system to detect and audit such misdeliveries, validated via simulations but not in real-world tests. This study implements a detection and audit mechanism using smart contracts and a multi-layered blockchain in live environments. We evaluate performance on actual devices, building on simulations. The method stores STD hash values and area information in a smart contract to identify misdelivery vehicles. Detection time is evaluated using both full block searches and optimized searches starting from the last checked block. Results show that as data scale increases, search time also increases, with real-world implementation reflecting similar characteristics to simulations.
Keyword (in Japanese) (See Japanese page) 
(in English) Multilayered blockchain / Spatio-temporal Data / Blockchain / Retention audit / / / /  
Reference Info. IEICE Tech. Rep., vol. 124, no. 106, NS2024-57, pp. 85-90, July 2024.
Paper # NS2024-57 
Date of Issue 2024-07-10 (NS) 
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 NS2024-57

Conference Information
Committee RCC RCS SeMI NS SR RISING  
Conference Date 2024-07-17 - 2024-07-19 
Place (in Japanese) (See Japanese page) 
Place (in English) Hokkaido Citizens Activities Promotion Center 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To NS 
Conference Code 2024-07-RCC-RCS-SeMI-NS-SR-RISING 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Implementation and basic evaluation of a High-Reliability Misdelivery Vehicle Audit System Using Smart Contracts 
Sub Title (in English)  
Keyword(1) Multilayered blockchain  
Keyword(2) Spatio-temporal Data  
Keyword(3) Blockchain  
Keyword(4) Retention audit  
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1st Author's Name Hikaru Tomita  
1st Author's Affiliation Kyushu Institute of Technology (KIT)
2nd Author's Name Hiroshi Yamamoto  
2nd Author's Affiliation Ritsumeikan University (Rits)
3rd Author's Name Daiki Nobayashi  
3rd Author's Affiliation Kyushu Institute of Technology (KIT)
4th Author's Name Takeshi Ikenaga  
4th Author's Affiliation Kyushu Institute of Technology (KIT)
5th Author's Name Kazuya Tsukamoto  
5th Author's Affiliation Kyushu Institute of Technology (KIT)
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Speaker Author-1 
Date Time 2024-07-18 13:45:00 
Presentation Time 25 minutes 
Registration for NS 
Paper # NS2024-57 
Volume (vol) vol.124 
Number (no) no.106 
Page pp.85-90 
#Pages 6 
Date of Issue 2024-07-10 (NS) 

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