BIOTC 2025
BIOTC 2025 was held successfully online and offline combination in University of Tsukuba, Japan during June 25-27, 2025.
Thanks for all your contribution to BIOTC 2025.
1. Proceeding:
October 17, 2025 News! The BIOTC 2025 conference proceedings is archived in the ACM Digital Library.
November 27, 2025 News! The BIOTC 2025 conference proceedings have been indexed by Ei Compendex, Scopus.
2. Conference Photos:
2025 7th Blockchain and Internet of Things Conference (BIOTC 2025)
Group photo (Morning session & Afternoon Session)

Group photo (Online)

Opening Remarks:
Program Chair ——Assoc.
Prof. Takashi Nishide, University of Tsukuba, Japan

Keynote Speeches
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Onsite Keynote Speech I Speech Title: Enhancing Privacy of Electronic Health Records in IoT Systems Using Compressed Image Embedding Techniques Prof. Chin-Chen Chang, Feng Chia University |
Onsite Keynote Speech II |

Onsite Keynote Speech
Title: Machine-to-Machine Crypto Economy
Prof. Kemal Akkaya Florida International
University, USA
Invited Speeches
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Onsite Invited Speech I Title: Interaction Between Miner Decision Making and User Action for Incentive Mechanism of Bitcoin Blockchain Prof. Shoji KASAHARA, Nara Institute of Science and Technology, Japan |
Onsite Invited Speech II Title: Towards Trustworthy AI Ecosystem: Reverse Engineering of Deepfakes, Neural Trojans, and Adversarial Illusions Dr. Ching-Chun Chang, National Institute of Informatics, Japan |

Online Invited Speech
Title: DevLeChain: An Open Blockchain
Platform for DApps Development
Prof. Weizhi Meng, Lancaster University,
U.K.
Group Photo of Onsite Sessions
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| Session 1 | Session 2 |
Best Presentations
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| Session 1 (Onsite) Paper ID: IB0006 Title: Blockchain Applications in Carbon Credit Fraud Detection Presenter: Cheng-En Lee, National Taiwan Normal University |
Session 2 (Onsite) Paper ID:
IB0038-A |

Session 3 (Online)
Paper ID: IB0021
Title: Blockchain-based token incentivized dynamic
spectrum management scheme
Presenter: Shilong Guo, Hainan University, China







