The global energy landscape is evolving with a focus on sustainability, with hydrogen emerging as a key player due to its energy density and eco-friendly combustion. The article delves into the potential of hydrogen as an alternative to traditional fossil fuels, emphasizing its role in reducing carbon emissions and advancing energy storage. Additionally, it explores the transformative impact of blockchain technology on the hydrogen economy, highlighting its ability to improve traceability, certify clean production, and streamline supply chain logistics. The study outlines how blockchain can address crucial issues within the hydrogen sector, offering transparency and trust among stakeholders. Real-world projects like 'HydroChain' and 'H2-Share' exemplify the practical applications of blockchain in ensuring credibility and facilitating efficient transactions in hydrogen energy. However, challenges such as scalability, cybersecurity, and interoperability need to be addressed to fully integrate blockchain technology effectively. By bridging gaps in existing literature, the research aims to enhance understanding of blockchain's role in boosting operational efficiencies and reducing costs in the hydrogen industry. It advocates for multidisciplinary research efforts to overcome obstacles and maximize the benefits of blockchain integration. The study provides insights into navigating the complexities of blockchain technology in the hydrogen sector, paving the way for further advancements and innovations in sustainable energy practices.