Block, Inc.
Method for Securely Storing and Forwarding Payment Transactions

Abstract:

Method, systems, and apparatus for receiving transaction data for the payment transaction, where the transaction data includes at least card track data; encrypting the transaction data at the data processing apparatus using an encryption key of a cryptographic key pair to generate encrypted transaction data, where the cryptographic key pair includes the encryption key and a decryption key; storing a plurality of copies of the encrypted transaction data in a plurality of storage devices; receiving an instruction to submit the transaction data for processing; decrypting the encrypted transaction data using the decryption key; and submitting the transaction data for processing by an issuer.