The bond loan agreement is analyzed as a separate method of securing the fulfillment of obligations under project financing, structural bonds as securities and collateral for them. The purpose of the article - based on the doctrine of Russian civil law and legislation to disclose the legal content of the securitization of financial assets within the framework of project financing through the content of the bond loan agreement, the issued structural bonds, and their collateral. The author of article did not set a goal to disclose the legal content of project financing activities in full.