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Paper Abstract and Keywords
Presentation 2022-01-20 13:40
[Short Paper] Proposal of MQTT-based Micropayment System
Ryota Nakada, Kien Nguyen, Hiroo Sekiya (Chiba Univ.) SeMI2021-53
Abstract (in Japanese) (See Japanese page) 
(in English) With the increase of IoT devices and their sensing data, the demand for IoT data sharing methods has recently increased. The IoT data, normally collected by low-resource IoT devices, is small in volume. It is hence expected to transmit and utilize the data efficiently. To this end, transfer data in exchange for small electronic payments called micropayments will be a good solution. The micropayment for small amounts of IoT data needs to support many transactions with low latency and low fees. The previous work had proposed a P2P micropayment system for IoT. However, that system uses Transport Control Protocol (TCP) to exchange data, limiting to a one-to-on communication. In this work, we propose an MQTT-based micropayment system, which allows multiple IoT devices to perform simultaneous transactions. The micropayment system uses the distributed ledger technology/cryptocurrency called IOTA, which can speed transactions without fees.
Keyword (in Japanese) (See Japanese page) 
(in English) IoT / IOTA / Blockchain / MQTT / / / /  
Reference Info. IEICE Tech. Rep., vol. 121, no. 333, SeMI2021-53, pp. 6-10, Jan. 2022.
Paper # SeMI2021-53 
Date of Issue 2022-01-13 (SeMI) 
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 SeMI  
Conference Date 2022-01-20 - 2022-01-21 
Place (in Japanese) (See Japanese page) 
Place (in English)  
Topics (in Japanese) (See Japanese page) 
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Paper Information
Registration To SeMI 
Conference Code 2022-01-SeMI 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Proposal of MQTT-based Micropayment System 
Sub Title (in English)  
Keyword(1) IoT  
Keyword(2) IOTA  
Keyword(3) Blockchain  
Keyword(4) MQTT  
1st Author's Name Ryota Nakada  
1st Author's Affiliation Chiba Universicy (Chiba Univ.)
2nd Author's Name Kien Nguyen  
2nd Author's Affiliation Chiba Universicy (Chiba Univ.)
3rd Author's Name Hiroo Sekiya  
3rd Author's Affiliation Chiba Universicy (Chiba Univ.)
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Date Time 2022-01-20 13:40:00 
Presentation Time 10 
Registration for SeMI 
Paper # IEICE-SeMI2021-53 
Volume (vol) IEICE-121 
Number (no) no.333 
Page pp.6-10 
#Pages IEICE-5 
Date of Issue IEICE-SeMI-2022-01-13 

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