The document discusses traditional and electronic payment methods. It covers cash, checks, money orders, credit cards, debit cards, and merchant accounts. It then discusses payment processing software and security measures needed to protect customer information during electronic transactions, including digital certificates and encryption. Alternative electronic payment forms mentioned include electronic cash, smart cards, electronic checks, and person-to-person payment systems. Fraud is a major problem and merchants must balance security measures with potential loss of sales.

1. Traditional and Electronic Payment Methods Chapter 3

3. Check Processing

4. Encryption/Decryption of Transactions

15. Verification Software

18. A Digital Certificate

26. Person to Person Payment

27. Person to Person (P2P) System