Welcome to International Conference on Cybersecurity Challenges in Blockchain and Big Data (ICCCBBD-26), the premier conference for students, academicians, researchers, faculties, and industry professionals from around the world. The conference will be held on 2nd - 3rd January, 2026 in Doha, Qatar, and will bring together experts and thought leaders from a wide range of fields to share their insights and expertise. Our goal is to provide a platform for discussion, collaboration, and innovation. We believe that by bringing together individuals from different backgrounds and perspectives, we can create new ideas and solutions that will have a positive impact on society. Whether you're a student looking to learn from the best and brightest in your field, an academician seeking to share your research with a wider audience, or an industry professional looking to stay up-to-date with the latest trends and technologies, you'll find something to inspire and challenge you at our conference. So why wait? Register today and join us at our conference for an unforgettable experience!