Data ownership authentication system and method based on behavior fingerprints

The invention discloses a data ownership identification system and method based on behavior fingerprints, and relates to the technical field of financial industry information security. The method is provided for proving the ownership of the data of the financial institution, preventing information from being maliciously tampered and erased after the data of the financial institution is leaked, and improving the unpredictability of the data. According to the method, the virtual primary key is used for identifying the transaction record, the watermark is embedded into the data set through the frequency conversion transaction behavior of the controllable account, and the system security is improved by utilizing the unpredictability of the chaos function. According to the method, the watermark embedding technology is adopted, the transaction amount and the transaction time of the controllable account are analyzed, the controllable account is controlled to carry out the transaction behavior of the specified transa