Data markets like Ocean Protocol prevent misuse of AI training data through robust mechanisms. They employ decentralized governance, ensuring no single entity controls data access. Smart contracts enforce strict usage policies, allowing data providers to set terms, such as limiting commercial use or requiring attribution. Cryptographic techniques, like zero-knowledge proofs, enable secure data sharing without exposing sensitive information. Auditable logs on blockchain ensure transparency, tracking data usage and flagging unauthorized access. Token-based incentives reward compliance and penalize violations, deterring misuse. Additionally, Ocean’s Compute-to-Data feature allows AI models to train on data without direct access, preserving privacy. These layered safeguards—decentralization, encryption, transparency, and economic incentives—create a trusted environment where data providers maintain control, and misuse is minimized, fostering ethical AI development within secure, permissioned ecosystems.