Towards Pseudonymous e-Commerce

The lack of privacy is one of the main reasons that limits trust in e-commerce. Current e-commerce practice enforces a customer to disclose her identity to the e-shop and the use of credit cards makes it straightforward for an e-shop to know the real identity of its customers. Although there are som...

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Bibliographic Details
Published in:Electronic commerce research 2004-01, Vol.4 (1/2), p.83-111
Main Authors: Rennhard, Marc, Rafaeli, Sandro, Mathy, Laurent, Plattner, Bernhard, Hutchison, David
Format: Article
Language:English
Subjects:
Computer engineering
Credit cards
Customers
Electronic commerce
Internet
Laboratories
Network security
Payment systems
Privacy
Servers
Shopping
Studies
Trust
Websites
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Summary:The lack of privacy is one of the main reasons that limits trust in e-commerce. Current e-commerce practice enforces a customer to disclose her identity to the e-shop and the use of credit cards makes it straightforward for an e-shop to know the real identity of its customers. Although there are some payment systems based on untraceable tokens, they are not as widely used as credit cards. Furthermore, even without buying anything, a customer is already disclosing some information about who or where she may be by just connecting to the e-shop's web server and leaving behind an IP-address. In this paper, we present novel components that enable secure pseudonymous e-commerce. On the one hand, these components allow a customer to browse through an e-shop, select goods, and pay the goods with her credit card such that neither the e-shop operator nor the credit card issuer nor an eavesdropper is able to get any information about the customer's identity. On the other hand, it is guaranteed that none of the involved parties is able to act dishonestly during the credit card payment. Such a system could greatly enhance trust in e-commerce since it overcomes the customers' privacy concerns. [PUBLICATION ABSTRACT]
ISSN:1389-5753
1572-9362
DOI:10.1023/B:ELEC.0000009283.82564.25