The present disclosure relates to a method, apparatus and computer program product for managing an application system. According to example implementations of the present disclosure, there is provided a method for managing an application system. In the method, backup data of the application system are generated in response to receiving a backup request for the application system; abstract information of the backup data is obtained on the basis of a predefined abstract rule; the abstract information is transmitted to a blockchain system associated with the application system so as to store the abstract information to the blockchain system; and the application system is managed on the basis of the blockchain system and the backup data. Further, there is provided an apparatus and computer program product for managing an application system.