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Chapter 9: Payment System for Electronic Commerce
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  1. PART 3 Chapter 9: Payment System for Electronic Commerce

  2. Summary • In last lecture, you learned about • 1、Online Banking Industry • 2、Payment Cards • 3、Online Payment Basics(1) • Stored-Value Cards • Electronic Wallets 电子商务概论(双语)教研组

  3. Contents OnlinePaymentBasics Credit card Electronic Cash Electronic Check 电子商务概论(双语)教研组

  4. Contents OnlinePaymentBasics Credit card Electronic Cash Electronic Check 电子商务概论(双语)教研组

  5. I. Credit Cards • A credit card refers to commercial banks or other financial institutions have issued payment cards, all or some functions of credit card included consume payment(消费支付), credit savings(信用贷款) and loans, transfer balance(转账结算), access to cash(存取现金)and so on. 电子商务概论(双语)教研组

  6. I. Credit Cards • Credit Card • Quasi Credit Card • Debit Card 电子商务概论(双语)教研组

  7. 1 2 3 I. Credit Cards -> Models Third-Party 通过第三方代理的信用卡支付 Encrypted 简单加密信用卡支付 SET Protocol 基于 SET 的信用卡支付 电子商务概论(双语)教研组

  8. 2 3 I. Credit Cards -> Models 1 Third-Party 通过第三方代理的信用卡支付 Encrypted 简单加密信用卡支付 SET Protocol 基于 SET 的信用卡支付 电子商务概论(双语)教研组

  9. 1. Third-Party 7.Credit Card Info. Third-Party Bank Confirm Payment 1.Credit Card Info. 2.Account 4.Account 5.Authorization 3. Purchase Order and Account Card Holder Merchant 6.Confirm Order Figure 1: Contract with a third-part to handle credit card payment processing 电子商务概论(双语)教研组

  10. 1. Third-Party • Advantage • a. Non- encrypted、Low transaction cost • b. Providing security • Disadvantage • a. Register both buyer and vendor • b. Account within third-party stolen possibly 电子商务概论(双语)教研组

  11. 1 2 3 I. Credit Cards -> Models Third-Party 通过第三方代理的信用卡支付 Encrypted 简单加密信用卡支付 SET Protocol 基于 SET 的信用卡支付 电子商务概论(双语)教研组

  12. 1 3 I. Credit Cards -> Models 2 Third-Party 通过第三方代理的信用卡支付 Encrypted 简单加密信用卡支付 SET Protocol 基于 SET 的信用卡支付 电子商务概论(双语)教研组

  13. 2. Encrypted Merchant’s Bank 5.Authorization Issuing Bank Buyer 4.Request for verifying Credit Card Info. 1.Encrypted Credit Card Info. And Purchase Order 6. Confirm Info. 3. Decrypted Credit Card Info. 8. Purchase Info. 2. Encrypted Credit Card Info. Merchant Third-Party 7. Confirm Info. Figure 2: Simple encrypted credit card payment processing 电子商务概论(双语)教研组

  14. 2. Encrypted • Advantage • a. Providing more security • Disadvantage • a. High transaction cost 电子商务概论(双语)教研组

  15. 1 2 3 I. Credit Cards -> Models Third-Party 通过第三方代理的信用卡支付 Encrypted 简单加密信用卡支付 SET Protocol 基于 SET 的信用卡支付 电子商务概论(双语)教研组

  16. 1 2 I. Credit Cards -> Models 3 Third-Party 通过第三方代理的信用卡支付 Encrypted 简单加密信用卡支付 SET Protocol 基于 SET 的信用卡支付 电子商务概论(双语)教研组

  17. Payment Gateway Certificate Authority 3. SET Protocol Acquiring Bank 3.verify 4.Approve 2.verify 5.Confirm Issuing Bank Certificate Online Merchant Certificate 6.Confirm 1.Order Card Holder Certificate Figure 3:Credit card payment processing based on SET Protocol 电子商务概论(双语)教研组

  18. 3. SET Protocol • Advantage • a. Ensure transmission of data is not stolen by hackers • b. Order information and individual account information isolation • c. Different manufacturer of software development is compatible and interoperability function 电子商务概论(双语)教研组

  19. 3. SET Protocol • Disadvantage • a. The processing speed of payment gateway is fail-soft • b. High transaction cost • c. Pay rise to delay • d. Pay for tracking, sense of insecurity to user 电子商务概论(双语)教研组

  20. Contents OnlinePaymentBasics Credit card Electronic Cash Electronic Check 电子商务概论(双语)教研组

  21. Contents OnlinePaymentBasics Credit card Electronic Cash Electronic Check 电子商务概论(双语)教研组

  22. II. Electronic Cash -> Definition • Electronic cash (also known as electronic money, electronic currency, digital money, digital cash or digital currency) refers to Data representing money, which data can be transferred by means of a computer network and can be traded as a token exchangeable for real money. 电子商务概论(双语)教研组

  23. II. Electronic Cash -> Processing 1.Opens an account with an E-cash issuer Buyer Bank Date-base of E-cash 2.Account 7. Check 3.Establish credit and deposit 4.Gives a specific amount of E-cash 8.Confirm 6.Encrypted E-cash 9.Confirm Info. Vendor 5.Order and Encrypt- ed E-cash Figure 4: Process a Electronic Cash Transaction 电子商务概论(双语)教研组

  24. II. Electronic Cash -> Characteristics a. Virtuality b. Safety c. Storability d. Repeatability 电子商务概论(双语)教研组

  25. II. Electronic Cash -> Advantage a. Anonymous b. Do not follow c. Save transaction costs d. Save transfer fee e. Holding low risk f. Prevent forgery 电子商务概论(双语)教研组

  26. II. Electronic Cash -> Disadvantage a. Depends on bank's private-key security b. Suitable for small transactions 电子商务概论(双语)教研组

  27. Contents OnlinePaymentBasics Credit card Electronic Cash Electronic Check 电子商务概论(双语)教研组

  28. Contents OnlinePaymentBasics Credit card Electronic Cash Electronic Check 电子商务概论(双语)教研组

  29. III. Electronic Check -> Definition • An electronic version of the traditional paper check. It includes all the components of a paper check and can be used as a method of payment on the Internet. 电子商务概论(双语)教研组

  30. III. Electronic Check -> Processing 1.Registration Buyer Bank 2.E-check 4.Varify 5.Confirm 7.Deposits the check in the vendor’s bank 3.Order and check Vendor 6.Confirm Figure 5: Check payment processing 电子商务概论(双语)教研组

  31. Thank You !