Title: ELECTRONIC COMMERCE SYSTEM[err]Abstract: A system for electronic commerce avoids the transmission of credit card numbers across the Internet (6). Internet vendor sites (7, 8) are registered with an ISP (5). Consequently, action URLs from credit card details forms for the vendor sites (7, 8) can be intercepted by the ISP (5). These action URLs are then modified to include a transaction ID code in place of the credit card details and sent to the relevant vendor site (7, 8) with the ISP (5) mimicking the user (1, 2, 3). The ISP (5) may be financial service provider or have a secure communication link to a financial service provider.
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