Patent ID: 11907801
Assignee: THE WORK SHOP LIMITED
Field: IT methods for management (Electrical engineering)
Classification: CPC G | IPC G

Claim 0:
1. A system including:
a user device including:
a display;
at least one processor, wherein the processor is configured to:
obtain a resource access credential authorising payment for a transaction relating to the purchase of goods or services;
receive a user supplied transaction identifier from a user;
generate a barcode encoding barcode data including at least a purchasing entity identifier, the resource access credential, and the user supplied transaction identifier; and
display the barcode on the display of the user device;

a merchant computing system including:
an optical reader;
at least one processor, wherein the processor is configured to:
receive the barcode data from the optical reader on reading of the displayed barcode, in use;
request payment for the transaction using the resource access credential; and
produce a transaction data packet containing transaction data relating to the transaction, together with at least the purchasing entity identifier and the user supplied transaction identifier.