US 11,757,877 B1
Decentralized application authentication
Andras L. Ferenczi, Peoria, AZ (US)
Assigned to AMERICAN EXPRESS TRAVEL RELATED SERVICES COMPANY, Inc., New York, NY (US)
Filed by American Express Travel Related Services Company, Inc., New York, NY (US)
Filed on Aug. 30, 2021, as Appl. No. 17/461,230.
Application 17/461,230 is a continuation of application No. 16/555,607, filed on Aug. 29, 2019, granted, now 11,146,552.
This patent is subject to a terminal disclaimer.
Int. Cl. H04L 9/40 (2022.01); G06F 9/451 (2018.01)
CPC H04L 63/0876 (2013.01) [G06F 9/451 (2018.02)] 20 Claims
OG exemplary drawing
 
1. A method, comprising:
receiving an authentication request from an application, the request comprising a device fingerprint;
determining an identity key associated with the device fingerprint, the identity key indicating the location of an identity document associated with a signed claim identifying a user; and
providing the identity key to the application.