PasswordCard has a unique grid of random letters and digits on it. The rows have different colors, and the columns different symbols. All you do is remember a combination of a symbol and a color, and then read the letters and digits from there.
The sentence that made me crazy was: "It's far safer to pick secure passwords and write them down, than it is to remember simple and easy to guess passwords. You already protect your wallet very well, and even if it does get stolen the thief will still not know which of the many thousands of possibilities on the card is your password." - I don't know what kind of study they followed, but ok.. I won't discuss that.
My analysis: The minimum password length usually is 8 chars, most people will choose 8 chars (the minimum) or the ones worried about security will go for the 12 chars. I'll guess (ey it's just my guess) that most people will just choose a password from left to right, so:
- We have 22 * 8 (176) possibilities of 8 chars passwords; and
- We have 18 * 8 (144) possibilities of 12 chars passwords.
I don't know about you.. but I don't feel safe with this.
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