TAILIEUCHUNG - E-payments: Credit Cards on the Internet Richard Jewson

Tham khảo sách 'e-payments: credit cards on the internet richard jewson', kinh doanh - tiếp thị, quản trị kinh doanh phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả | Aconite Whitepaper E-payments Credit Cards on the Internet Richard Jewson Aconite richardjewson@ October 2001 Contents Introduction Part 1 Overview of Payments Part 2 Payments Technologies Past Present Part 3 Current Developments Conclusion References Credit card payments have remained fundamentally unchanged since the early 80 s. So have the risks. Introduction Commerce involves the exchange of value. By the end of 20th century the exchange of financial value had evolved from coins notes and other instruments to sophisticated epayment systems. In e-payments the exchange of value is represented by the exchange of data. It is easy fast and cheap to transfer data but these benefits come at a cost. The physical authenticity of payment instruments such as notes and coins can be checked. In e-payments the parties involved will probably never even see or talk to each other. Proving the authenticity of the payment payer and payee are fundamental to the widespread adoption of e-payments. This paper is the first in a series which looks at e-payments technology and solutions. This article introduces the basic components of any B2C epayment system the protocols by which the payer and payee establish trust in each other and exchange value electronically across open insecure channels such as the Internet. In this paper we concentrate on credit card payments the most popular method of payment for goods information or services on the Internet. Despite numerous technical advances credit card payments have remained fundamentally unchanged since the early 80 s. So have the risks. Any business that accepts credit cards has to accept a certain level of fraud. In the real world you can manage and mitigate this risk with physical policy and infrastructure controls. This is true for face-to-face or card-present transactions despite recent marked increases in real world fraud such as card cloning. It is less true for card-not-present transactions Aconite October 2001 .

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