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Paper Abstract and Keywords
Presentation 2024-09-06 10:30
Development and Evaluation of Highly Reliable Oracle Provisioning Infrastructure for Blockchain-based Distributed Metaverse
Raiya Araki, Hideaki Miyaji, Hiroshi Yamamoto (Ritsumeikan Univ.) IA2024-20
Abstract (in Japanese) (See Japanese page) 
(in English) Recent advancements in blockchain technology, a decentralized data management platform, have expanded the demand and supply of Non-Fungible Tokens (NFTs), which realize the concept of ownership for various digital contents.
Especially in the metaverse, NFT content such as images and videos are actively used, fostering communication through NFT art within virtual spaces.
However, systems and technologies that link NFT content in the metaverse with metaverse platforms, enabling the use of data generated through user activities (e.g., visual footage, voice conversations) as metadata (e.g., content popularity) for NFTs on the blockchain, have not been realized.
Our research focuses on developing a system where NFT content in the metaverse is integrated with metaverse platforms by extending existing oracle mechanisms. This system aims to derive metrics related to popularity and evaluation from various types of data associated with NFT content existing outside the blockchain and provide these metrics to users in a highly reliable manner.
Additionally, we propose using devices such as smartphones that users constantly own to function as blockchain wallets. When the metaverse platform transmits data to the blockchain, the platform coordinates with the user's device via short-range wireless communication to enable transaction signing.
Thus, by ensuring user involvement in data transmission to the blockchain and introducing a mechanism for users to mutually verify data related to metaverse content, we achieve both wallet security and data reliability.
Keyword (in Japanese) (See Japanese page) 
(in English) Blockchain / Oracle / NFT / Metaverse / BLE / / /  
Reference Info. IEICE Tech. Rep., vol. 124, no. 182, IA2024-20, pp. 46-51, Sept. 2024.
Paper # IA2024-20 
Date of Issue 2024-08-29 (IA) 
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 IA2024-20

Conference Information
Committee IA  
Conference Date 2024-09-05 - 2024-09-06 
Place (in Japanese) (See Japanese page) 
Place (in English) Hokkaido Univ. 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Internet Operation and Management, Network Architecture, Communication Protocols, IoT, etc. 
Paper Information
Registration To IA 
Conference Code 2024-09-IA 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Development and Evaluation of Highly Reliable Oracle Provisioning Infrastructure for Blockchain-based Distributed Metaverse 
Sub Title (in English)  
Keyword(1) Blockchain  
Keyword(2) Oracle  
Keyword(3) NFT  
Keyword(4) Metaverse  
Keyword(5) BLE  
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1st Author's Name Raiya Araki  
1st Author's Affiliation Ritsumeikan University (Ritsumeikan Univ.)
2nd Author's Name Hideaki Miyaji  
2nd Author's Affiliation Ritsumeikan University (Ritsumeikan Univ.)
3rd Author's Name Hiroshi Yamamoto  
3rd Author's Affiliation Ritsumeikan University (Ritsumeikan Univ.)
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Speaker Author-1 
Date Time 2024-09-06 10:30:00 
Presentation Time 25 minutes 
Registration for IA 
Paper # IA2024-20 
Volume (vol) vol.124 
Number (no) no.182 
Page pp.46-51 
#Pages 6 
Date of Issue 2024-08-29 (IA) 

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