E-commerce which may include delivery of a good ordered or purchased over a network (e.g., the Internet) to a purchaser/user, and/or arranging for electronic payment of the good is accomplished while securing private and personal information of purchasers/users. Proxy software is provided for user computers, one or more proxy computers, or both, for users to communicate with vendors anonymously over the network, provide for delivery of an ordered good and provide for electronic payment, while securing the user's private information.