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I know when you make an account with Nordea, they give you a page with several hundred codes printed on it. Each time you authenticate, you have to use the next

by swebs 7y ago

I know when you make an account with Nordea, they give you a page with several hundred codes printed on it. Each time you authenticate, you have to use the next code in the list. If you use any other code on the page, it's considered invalid. They instruct you not to mark the page so if someone takes your code page they do not know which one is the current code.

grimjack00 7y ago
But then, how does the account holder know which is the current one?
- theptip 7y ago
  How does an account holder know what their password is? (They remember it, or they write it down and store it with their other valuable pieces of paper.)
- swebs 7y ago
  In theory, by remembering the last one you used. In practice, by just marking the damn pages.