Verification and encryption scheme in data storage

Abstract

A reader device includes a processor; and a computer readable medium coupled to the processor. The computer readable medium including code, executable by the processor, to perform a method including: receiving, from a user device operated by a user, signed data and a cryptogram, wherein the signed data is determined by digitally signing data, which includes an electronic identifier associated with the user using a key stored in a secure element of the user device; determining, by the reader device, whether the cryptogram can be verified; and, upon verifying the cryptogram, sending, by the reader device, a request to a remote server computer to include the signed data in an electronic ledger.

Dependencies are inferred from the claim text.