Welcome to the Proceedings of the 2025 4th International Conference on Bigdata Blockchain and Economy Management (ICBBEM 2025). The conference brought together 152 participants, including researchers, industry experts, and academics, to exchange ideas and explore the latest advancements in big data analytics, blockchain applications, financial technology, and digital economic strategies. The accepted papers covered a wide range of topics, including but not limited to big data processing and security, blockchain innovations and smart contracts, financial risk management, artificial intelligence in economic analysis, digital currency and payment systems, supply chain intelligence, and e-commerce strategies. These studies provided valuable insights and contributed to the advancement of both theoretical and practical applications.

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