A secure computing module (SCM) is configured for connection with a host device. The SCM includes a processor for performing secure processing operations, a host interface for coupling the processor to the host device, and a memory connected to the processor wherein the processor logically isolates at...http://www.google.com/patents/US20090216681?utm_source=gb-gplus-sharePatent US20090216681 - SYSTEMS AND METHODS FOR PERFORMING WIRELESS FINANCIAL TRANSACTIONS