In recent years, with the development of the Internet, various forms of biological assets can be digitally uploaded to the Internet, such as pictures of animals. Some malicious attackers can use the diffusion model to forgery the biological asset pictures exposed on the Internet, generate a large number of forged pictures to deceive financial institutions or achieve other purposes, which causes immeasurable losses to financial institutions and owners of biological assets. To this end, we propose an algorithm to generate biological asset adduction samples to defend against such attacks, and we propose a blockchain-based system named BBP, which can trace biological asset original and adduction samples. Our research provides a new direction for biological asset information management and improves the security of biological asset management.