14-10-2010, 05:14 PM
Prepared by:
Dr. Joseph K. Liu
Outline
Introduction of E-cash
Our Proposed Recoverable and Untraceable E-Cash
Concept
Construction
Extension
Conclusion
Electronic Cash
Digital Analogy of paper cash
According to [1], ideal e-cash has 6 main properties:
Independence
Security
Privacy
Off-line payment
Transferability
Divisibili
for more details, please visit
http://sec.cs.kent.ac.uk/europki2005/pre...E-Cash.ppt