A Web-based minicourse in processing credit card orders over the Internet
The latest information on e-commerce transaction developments
TRUSTe is an independent, nonprofit organization dedicated to improving users' trust and comfort in dealing with companies on the Internet. The site has information for Internet users and Web publishers regarding privacy concerns on the Internet.
Sage Networks, a worldwide membership organization for entrepreneurs, offers its members site hosting and other services. Users can join the network and find advice about e-commerce.
National Electronic Billing Services
eCash Technologies Inc.
CMU's The NetBill Payment System
NetCash at ISI and USC
NetCheque at ISI and USC
National Check Exchange