On December 23rd, according to financial reports, the State Intellectual Property Office information shows that Nokia Technologies Co., Ltd. has applied for a patent entitled "Device Method and Computer Program", publication number CN 119155674 A, and the application date is June 2024. The patent abstract shows that there is provided an apparatus, method, and computer program for use in a user equipment to perform the following: encrypting a digital asset using a first key to form an encrypted digital asset; providing an encrypted digital asset to a first network function and an index of the encrypted digital asset; and providing an identifier of the encrypted digital asset to a first entity.