The method and system of the invention provide a variety of techniques for using a selected alias and a selected personal identification entry (PIE) in conjunction with use of a transaction card, such as a credit card, debit card or stored value card, for example. A suitable number or other identification...http://www.google.co.uk/patents/US20090192940?utm_source=gb-gplus-sharePatent US20090192940 - SYSTEM FOR PROVIDING CARDLESS PAYMENT
