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    Blockchain as a Notarization System for Military Data Sharing
    (2025-01-01)
    Chamnikul, Chatchawan
    ;
    Khawne, Amnach
    This paper presents a blockchain-based notarization system designed to secure and authenticate military data sharing. In the context of national defense, where the integrity and confidentiality of sensitive military data are paramount, traditional centralized systems often fail to meet the required security standards. Our proposed system leverages a permissioned blockchain platform, specifically Hyperledger Fabric, combined with smart contracts to create an immutable and transparent ledger. This ensures that once military data is recorded, it cannot be altered or tampered with, thereby enhancing data integrity and auditability. The system is further integrated with existing military information infrastructures through secure APIs and middleware, enabling seamless data exchange. Experimental evaluations conducted in a simulated environment demonstrate that the system achieves high transaction throughput, low latency, and robust error management. Although challenges remain in scalability and fine-grained access control, the results confirm that blockchain technology has the potential to significantly improve the security and transparency of military data sharing. Future work will focus on addressing these challenges and refining the system for real-world deployment in defense operations.
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    Integrating Blockchain and Smart Contracts for Carbon Credit Management in Thailand: A Preliminary Multidisciplinary Analysis
    (2025-01-01)
    Trakunsathitman, Phanthika
    ;
    Chaisamran, Chiratt
    ;
    Surasak, Thattapon
    Blockchain and smart contracts have emerged as transformative technologies for enhancing transparency, security, and automation in carbon credit management. This study explores the integration of these technologies within the context of Thailand's carbon markets, focusing on system design, user interface development, and blockchain architecture. A UX testing phase was conducted to evaluate usability, security perception, and transaction efficiency. The results demonstrate strong stakeholder trust in blockchain's security benefits while identifying areas for improvement in user guidance and error feedback. While blockchain-based carbon credit platforms exist globally, this study examines their feasibility in Thailand and highlights potential challenges, including policy considerations and stakeholder engagement. The findings suggest that blockchain and smart contracts can enhance market transparency and compliance mechanisms, paving the way for further research into their broader adoption in sustainability initiatives.