[flukus]

By storing it as a hash, just like how every other password should be stored.

[brokenmachine]

That's what I said.

> Of course the bank has your PIN (or hashed PIN)

All the previous poster said was that the bank said they sent him a card with the same PIN. The bank can do this by storing PINs or hashed PINs.

As rrobukef noted, storing a PIN hashed offers little additional security as storing them unhashed because of the small number of unique PINS that are possible.