Patent ID: 11968297
Assignee: GOOGLE LLC
Field: Digital communication (Electrical engineering)
Classification: CPC H | IPC H

Claim 18:
19. The non-transitory computer storage medium of claim 18, the operations further comprising:
receiving, by the client device, the first encrypted and signed response transmitted by the second MPC server;
verifying, by the client device, that the first encrypted and signed response is signed by the first MPC server;
recovering, by the client device, a first interest group from the first signed response;
verifying, by the client device, that the first interest group includes the particular user;
verifying, by the client device, that the value of the given key/value pair is signed by the first MPC server;
decrypting, by the client device, the value of the given key/value pair to recover a first selection criterion;
receiving, by the client device, the candidate selection criterion and the given selection criterion from the content distribution system; and
selecting, by the client device, a controlling selection criterion from among the first selection criterion, the given selection criterion, and the candidate selection criterion.