Method and arrangement for securing a digital data file having financial value, terminal operating in the arrangement, and software application employing the method

摘要

A method for creating an electronic data file from information residing in the memory of a first device operating in a data communication system includes storing information identifying the owner who made a request for the creation of the electronic data file in a backup service in addition to information concerning the electronic data file to be created, sending instructions concerning a procedure used in the creation of the electronic data file from the backup service to the first device, wherein the instructions include information on how the electronic data file to be created will be altered during its creation such that it becomes unusable without further information, creating and processing the electronic data file according to the instructions, and saving the processed electronic data file in a second device.