A method for creating and exchanging a copyright for each artificial intelligence (AI)-generated multimedia is described. An AI model and a reference input for a multimedia is received from a user. If the reference input complies with system policies, an AI-generated multimedia is generated from the reference input using the AI model. The AI-generated multimedia is compared against works of a same type in a blockchain and decentralized file storage and if the AI-generated multimedia fails to match the works, the AI-generated multimedia is categorized as having originality. A copyright for the AI-generated multimedia and the AI-generated multimedia is stored. An exchange is facilitated with a buyer using cryptocurrency and is written to a blockchain.