June
1st,
2004
Wired News: Complex Passwords Foil Hacks
There's an interesting form of 2-factor authentication mentioned in this article on Wired. Scratchcards that reveal one-time passwords. One thing that does occur to me is that I suppose they will need to be used in sequence (so that only one is valid at any one time), so what would happen if you wanted to skip one, for example if the cover on one rubbed off in your wallet and you weren't sure if someone else had seen it...