A method and system for use on a quasi-public network, such as the Internet, to enable users of the network to conduct commercial transactions involving a payment of funds by one user to another user of the network. The method includes operating a computer system for sending and receiving...http://www.google.fr/patents/US5757917?utm_source=gb-gplus-shareBrevet US5757917 - Computerized payment system for purchasing goods and services on the internet
Computerized payment system for purchasing goods and services on the ...
