Patent ID: 11947812
Assignee: CAPITAL ONE SERVICES, LLC
Field: Computer technology (Electrical engineering)
Classification: CPC G  H | IPC G

Claim 17:
18. The computer implemented method of claim 17, further comprising:
receiving, from a second user device, a second request for a listing of user names associated with a second user attribute;
generating, at the remote computing device and based on a second user identifier associated with the second user device, a second secret key;
generating a third plurality of hash values, wherein each hash value of the third plurality of hash values is based on a combination of one of the plurality of anonymized user identifiers, one of the plurality of user attributes, and the second secret key;
determining a second subset of the first plurality of hash values that match the third plurality of hash values; and
transmitting the listing of user names associated with the second subset of the first plurality of hash values to the second user device.