Block, Inc.
Controlled emulation of payment cards

Abstract:

A technique for a proxy card to emulate each of a plurality of payment cards according to emulation rules associated with the payment card. The proxy card initially selects one of the plurality of payment cards for emulation based on one or more selection rules or a user instruction. Next, the proxy card emulates the selected payment card according to one or more emulation rule associated with the selected payment card, each relating to how emulation is performed with respect to time, location, business, or other factors.