PayPal Inc. has filed a patent application for a modular payment device that accepts bitcoin and other digital currencies.

The application, filed with the U.S. Patent & Trademark Office, includes a lengthy description of how it manages virtual currencies and it specifically names bitcoin, Litecoin and Dogecoin. The application also describes physical characteristics of the device, and it includes an image of the device.

Modular Payment Module

The application's abstract describes a modular payment module. The module includes a chassis which has a modular device connector. A payment database in the chassis stores funding source information and security information.