Secure and anonymous data sharing

A backend server providing anonymous data sharing, the server comprising:

• a memory;
• and
• at least one processor connected to the memory, the at least one processor configured to:
• receive, from a client device, client device information and a third-party data package;
• identify, based on the client device information and the third-party data package, a personal user preference from a plurality of personal user preferences;
• create an authenticated payload (AP) including a session identifier and the personal user preference without including a user identification;
• send the AP to a client device based on the client device information;
• receive, from a third-party server, a request for data and the AP previously sent to the client device;
• and
• provide, to the third-party server, requested data when the request for data corresponds with the personal user preference.

A non-transitory computer-readable medium comprising a plurality of instructions that, when executed by a processor of a backend server system, is configured to cause the processor to:

• receive, from a client device, client device information and a third-party data package;
• identify, based on the client device information and the third-party data package, a personal user preference from a plurality of personal user preferences;
• create an authenticated payload (AP) including a session identifier and the personal user preference without including a user identification;
• send the AP to a client device based on the client device information;
• receive, from a third-party server, a request for data and the AP previously sent to the client device;
• and
• provide, to the third-party server, requested data when the request for data corresponds with the personal user preference.