The Department of Computer Science discussed the doctoral thesis Secure Approach For IOT Data Based On Homomorphic And Blockchain Technologies For doctoral student (Muhannad Ali Muhammad) Computer Science/General on Wednesday 10/25/2023 in the discussion room in the Computer Science Department building. The goal of the thesis is to produce a secure and lightweight blockchain system based on a new proposed consensus algorithm and integrating it with the homomorphic Okamoto a Chiyama. To achieve the greatest degree of confidentiality. It was concluded that the system can work with Internet of Things data, ensuring confidentiality and reducing resource consumption and implementation time. The discussion committee consisted of Prof. Dr. Zahir Abdel Hadi Abdullah as chairman, and Prof. Dr. Sakina Hassan Hashem, Prof. Dr. Nida Falih Hassan, Prof. Dr. Abeer Tariq Mawlood, Prof. Ikhlas Khalaf Kabbashi, and Prof. Dr. Hala Bahjat Abdel Wahab as members. Member and supervisor.