# 3.3.2 Multi-level Data Protection

AISim provides a multi-level data protection mechanism to ensure the security of user and device data during storage, transmission, and sharing. The system supports encrypted storage and data sharing, with all sensitive information encrypted to prevent data leakage risks. Additionally, AISim has implemented on-chain data access records and audit functions, with all data access recorded on the blockchain, ensuring the transparency and traceability of data access.
