The COC platform leverages the graphene ecosystem EOS 3.0 technology and the most significant advantages of Ethereum, along with corresponding mathematical algorithms, to create distributed encrypted records of human learning behavior and work experience, ensuring data authenticity and trustworthiness! This data will have significant societal value. The construction of the COC platform will accelerate the development and improvement of the education public chain, forming a global network of super nodes, enabling high-quality, efficient, and zero-distance course sharing and educational recognition. This will bring high-quality education to the doorsteps of every household, promoting social integrity and educational innovation.