Patent ID: 11921888
Assignee: VISA INTERNATIONAL SERVICE ASSOCIATION
Field: Computer technology (Electrical engineering)
Classification: CPC G  H | IPC G  H

Claim 4:
5. A method, comprising:
receiving, with a first user device, first persona data associated with a first user from at least one publisher system;
generalizing, with the first user device, the first persona data to form first generalized persona data;
generating, with the first user device, a session key;
encrypting, with the first user device, the first generalized persona data and the session key with a first public key of an advertisement network system to form a first ciphertext;
communicating, with the first user device, the first ciphertext and first user identity data to a mediator system, the first user identity data associated with an identity of the first user;
generating, with the mediator system, first pseudo-identity data associated with the first user identity data;
communicating, with the mediator system, the first ciphertext and the first pseudo-identity data to the advertisement network system;
decrypting, with the advertisement network system, the first ciphertext with a first private key of the advertisement network to form the first generalized persona data and the session key;
determining, with the advertisement network system, a first targeted advertisement based on the first generalized persona data;
generating, with the advertisement network system, a tracking token based on the first targeted advertisement;
encrypting, with the advertisement network system, the first targeted advertisement and the tracking token with the session key to form a second ciphertext, the second ciphertext comprising a first encrypted targeted advertisement and an encrypted tracking token;
communicating, with the advertisement network system, the second ciphertext and the first pseudo-identity data to the mediator system;
receiving, with the first user device, the second ciphertext comprising the encrypted tracking token and the first encrypted targeted advertisement based on the first generalized persona data from the advertisement network system via the mediator system; and
decrypting, with the first user device, the second ciphertext with the session key to form the first targeted advertisement and the tracking token,
wherein the at least one publisher system comprises a first publisher system, the method further comprising:
communicating, with the first user device, the first targeted advertisement and the tracking token to the first publisher system;
presenting, with the first publisher system, the first targeted advertisement to the first user;
communicating, with the first publisher system, the tracking token to the mediator system; and
communicating, with the mediator system, the tracking token to the advertisement network system.