A system and method for obtaining a personal identification number (PIN) from a client terminal is disclosed herein. The method includes storing, at the client terminal, PINs for plural prepaid services. The method also includes receiving, at the client terminal, a request for a PIN associated with a...http://www.google.ca/patents/US7676030?utm_source=gb-gplus-sharePatent US7676030 - System and method for personal identification number distribution and delivery
