Patent ID: 9626674
Date: 2017-04-18
CPC Classifications: G06Q

Claim:
1. A method for generating tokens, performed on one or more computing devices, the method comprising: receiving, on the one or more computing devices, first token image data corresponding to a first graphical token, the first graphical token corresponding to a first unit of currency; calculating a first token identifier based on a secure hash of the first token image data; creating a first machine readable image corresponding to the first token identifier; compositing, on the one or more computing devices, the first machine readable image onto a template image to create second token image data for a second graphical token, the second graphical token corresponding to a second unit of currency, the first graphical token and the second graphical token associated with a sequence of tokens representing a store of value that is denominated in a currency; and embedding a digital fingerprint within the first machine readable image to create a link from the second graphical token to the first graphical token in the sequence of tokens.