Patent ID: 11956243
Assignee: PAYPAL, INC.
Field: Digital communication (Electrical engineering)
Classification: CPC H  G | IPC G  H

Claim 13:
14. A non-transitory machine-readable medium having instructions stored thereon, the instructions executable to cause performance of operations comprising:
receiving, from a requesting computing system, an authentication request for authenticating a client device with a certain application service, the authentication request comprising an electronic encrypted authentication token, the authentication request indicating that the requesting computing system received the authentication token from the client device;
decrypting the encrypted authentication token;
determining, based at least on a verification that the decrypted authentication token matches an expected token value for a user account, that a user of the client device is authenticated for the user account; and
in response to the determination that the user of the client device is authenticated for the user account, communicating to the requesting computing system certain user information authorized to be shared with one or more entities including the requesting computing system, the communicating of the certain user information causing the requesting computing system to perform the authentication of the client device with the certain application service based on the certain user information, without communication of the certain user information between the client device and the requesting computing system.