Patent ID: 11887071
Assignee: COMCAST CABLE COMMUNICATIONS, LLC
Field: Audio-visual technology (Electrical engineering)
Classification: CPC G  H | IPC G  H

Claim 16:
17. A method, comprising:
determining, by a first device, content accessed by the first device;
determining a time associated with access by the first device to the content;
generating a first record in a format for a distributed ledger,
wherein the first record comprises an indication of the content accessed, the time associated with the access to the content, and a first identifier associated with a user of the first device,
wherein the identifier indicates a unique identification of the user while maintaining anonymity of the user,
wherein the first record further comprises a digital signature associated with the first device, the digital signature capable of being decrypted using a key;
wherein the distributed ledger comprises a plurality of other records indicative of content accessed by one or more of a plurality of devices;

causing the first record to be stored on the distributed ledger;
receiving, from a second device of the plurality of devices, a second record, wherein the second record comprises an indication of content accessed by the second device and a second identifier associated with a user of the second device, wherein the second identifier is available to the user of the first device; and
causing the second record to be stored on the distributed ledger,
wherein the distributed ledger is stored on the first device and the second device.