SECURE SYSTEM FOR CONDUCTING POSTAL SERVICE TRANSACTIONS AND METHOD FOR USE THEREOF

摘要

Featured are systems and methods for creating digital signatures. More particularly, there is featured a method for facilitating online commerce including issuing an electronic commerce card to a customer during a registration phase, the commerce card having a customer account number and a customer-related secret associated therewith and generating at the customer, during an online commerce transaction phase, a proxy number suitable for the online commerce transaction. The proxy number being generated resembles the customer account number; and embedded therein is a code number derived at least in part on the customer-related secret and an associated date and time stamp.