Digital Cash

This book is a comprehensive guide to exchanging money over the Net. Coverage includes detailed algorithms for producing and implementing monetary systems like digital checks, digital coupons, digital cashier's checks, divisible cash and anonymous digital cash, as well as a survey of the different commercial digital cash systems available. Several different systems for creating secure credit card transactions are described in detail. This book is your invaluable guide to setting up shop on the Net.

• Encryption: public key and private key
• Cash protocols: digital cashier's checks through traceable, anonymous cash
• HTTP and Digital Cash
• Commercial digital cash systems: such as First Virtual, CyberCash, DigiCash, and more
• Includes floppy disk with First Virtual software that will enable you to conduct transactions over the Net.

1. Introduction
• What Can Emerge
• Technical Challenges
• Political Challenges
• How To Use This Book
2. Encryption
• Introduction
• Private-Key Encryption
• Public-Key Encryption
• RSA
• Signature-Only Systems
• Discrete Log Signature Schemes
• Blinded Digital Signatures
• Hash Algorithms
• MD-4, MD-5, and the SHA
• SHA, the Secure Hash Algorithm
• Secret Sharing
• Bit Commitment
• Zero-Knowledge Proofs
• A Discrete Log Zero-Knowledge System
• A Graph-Based ZKP
• Kerberos
• Political Concerns
3. Cash Protocols
• Digital Checks
• Forcing the Recipient
• Adding Additional Security
• Digital Cashier's Checks
• Simple Anonymous Cash
• Traceable Anonymous Cash
• Cash without Choices
4. Flexible Cash
• Universal Electronic Cash
• Quadratic Residue
• Hierarchical Secrets
• Completing the Picture
5. A Product Overview
• On- or Off-Line
• Encryption and Security
• Certificates and repudiation
• Anonymity
6. First Virtual
• A Model Transaction
• Trying Before Buying
• Possible Attacks
• How to Set Up a First Virtual Storefront
• Using the FV Infohaus
• HTML and GTTP Storefronts
• FTP Access
• Final Assessment
7. HTTP and Cash
• S-HTTP
• SSL
• Using a Secure Link
• How to Set Up an SSL Storefront
• Final Assessment
8. IBM's iKP
• 1KP
• 2KP
• 3LP
• Final Assessment
9. NetCash and NetCheque
• NetCash
• Currency Server Transaction
• Payment Transfer
• Low-grade Anonymity and the Law
• NetCheque
• How to Set Up a NetCash and NetCheque Storefront
• Final Assessment
10. CyberCash
• Credit Cards
• Cash Transactions
• Bitlevel Detail of CyberCash
• Transactions
• The Internet Payment Framework
• How to Set Up a CyberCash Storefront
• Final Assessment
11. CheckFree
• CheckFree's Wallet
• How to Set Up a CheckFree Storefront
• Final Assessment
12. Open Market
• First Virtual vs. Open Market
• How to Set Up an Open Market Storefront
• Final Assessment
13. CAFE
• Cryptographic Foundations
• Final Assessment
14. DigiCash
• A Sample Transaction
• How to Set Up a DigiCash Storefront
• Using DigiCash's Server
• Running Your Own Ecash Server
• Final Assessment
15. Magic Money
• Setting Up a Magic Money Server
• The Magic Money Client
• A Sample Transaction
• Final Assessment
16. NetBill
• A Simple Exchange
• Setting Up a NetBill Storefront
• Final Assessment
17. VaporWare
• Microsoft and Visa
• Visa and the Electronic Purse
• Chemical Band and Microsoft
• Bank America, NatyionsBank, and Meca
• Banker's Trust
• Mondex
18. EDI
• X12 Standard
• Invoice (810)
19. Money Past
• Wampum and Beaver Pelts
• Tobacco Reigns
• A Penny Printed is a Penny Earned
• A Brave New Bimetalism
• Biddle's Bank
• The Greenback Era
• Cross of Gold
• Gold in the 20th Century
• Conclusions
20. Future Cash
• Token- Versus Account-Based Money
• Anonymity in the Future
• What Is Money?
21. Card Trader 2010
22. Other Voices
• Q & A with Dave Banisar
• Q & A with Stewart Baker

1. Disk Contents
2. Digital Cash Patents
3. Internet Sources
• Commercial Providers WWW Pages
• Other Important Sources
• Places to Buy

A good walkthrough of the electronic payment systems available at the time.