US 12,229,761 B1
Non-fungible tokens for payment instruments
Andras L. Ferenczi, Phoenix, 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 Sep. 10, 2021, as Appl. No. 17/472,161.
Int. Cl. G06Q 20/38 (2012.01)
CPC G06Q 20/3829 (2013.01) 19 Claims
OG exemplary drawing
 
8. A method, comprising:
receiving a purchase notification, the purchase notification indicating that a first user has purchased a stored value payment instrument;
in response to receiving the purchase notification, creating a non-fungible token (NFT) on a distributed data store by providing a redemption uniform resource locator (URL) to a function associated with the distributed data store, the function being configured to generate the NFT to include the redemption URL, the NFT having a unique identifier, and the redemption URL identifying a website for redeeming the stored value payment instrument;
associating the unique identifier of the NFT with the stored value payment instrument;
receiving a first public key associated with the first user;
updating an owner identifier of the NFT with the first public key associated with the first user;
transferring the NFT to a second user by updating the owner identifier of the NFT with a second public key associated with the second user based at least in part on a request from a first client device of the first user;
receiving the unique identifier of the NFT from a second client device of the second user for redeeming the stored value payment instrument;
rendering the NFT non-transferable based at least in part on receiving the unique identifier from the second client device for redeeming the stored value payment; and
encoding payment information of the stored value payment instrument in a web page that is provided to the second client device after rendering the NFT non-transferable.