Patent ID: 11915208
Assignee: CAPITAL ONE SERVICES, LLC
Field: IT methods for management (Electrical engineering)
Classification: CPC G | IPC G

Claim 0:
1. A system comprising:
one or more processors;
memory containing instructions that, when executed by the one or more processors, causes the one or more processors to perform operations of:
receiving a first digital image of a negotiable instrument;
determining first metadata from the first digital image of the negotiable instrument using an optical character recognition technique, the first metadata comprising a first instance of one or more of an account number, a date, an amount, or combination thereof;
calculating a first hash value using the first metadata determined from the first digital image of the negotiable instrument;
retrieving a record from a blockchain using the first hash value as an index based on the first hash value matching a second hash value, wherein the second hash value is calculated based on a second digital image of the negotiable instrument;
retrieving the second digital image and second metadata from the record;
comparing the first digital image and the second digital image;
determining either:
the negotiable instrument has not been altered based on the first digital image matching the second digital image; or
the negotiable instrument has been altered based on the first digital image not matching the second digital image.