Public key cryptography was one of my inspirations. Discussion of cancelled credit cards here http://cikeep.com/faq.htm.
Charles -----Original Message----- From: IBM Mainframe Discussion List [mailto:[EMAIL PROTECTED] On Behalf Of Jeffrey D. Smith Sent: Thursday, December 14, 2006 9:18 AM To: [email protected] Subject: Re: What does a patent do that copyright does not? Seems very similar to public/private key cryptographic security. What stops the consumer from cancelling the credit card account and getting a new credit card account? Sharing a dead credit card account number on a forum seems to circumvent the security invention? I guess it depends on how expensive is the software and what the perceived benefit is for defeating the security. OTOH, the dead credit card account number published on a forum could be traced back to the original owner ("I lost my wallet!" yeah, right!). ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [EMAIL PROTECTED] with the message: GET IBM-MAIN INFO Search the archives at http://bama.ua.edu/archives/ibm-main.html
