The multipass is the all-purpose card of 2263. It’s a driver’s license, work authorization record, proof of identity, emergency medical information, phone card, plus all your credit cards in one. There is a white rectangle and yellowish, rounded-bevel shape on the lower left, each of which may be a button, but that we don’t see in use.
Often just showing it is enough for a human’s satisfaction, but sometimes it must be read by a machine. To do this, the holder inserts it into a slot, where the machine verifies its authenticity and registers the user locally. In Korben’s taxi, he has to leave it in as he operates the vehicle. At the Fhloston Paradise check-in booth, travelers dip it in and out of the reader.
The act of inserting the card to authenticate may seem a bit old-fashioned in the days of RFID and read-at-a-distance technology, but it’s also nice to see that whatever agency was able to get the various corporations and government agencies to cooperate has also got privacy in mind. If it needs to be dipped to be read, maybe it can’t be read at a distance. That means the holder has more control over when and how it’s accessed.
As far as convenience, hot damn. It’s practically a wallet in and of itself. But there are security concerns to having all of this in one place. There are many cards that work like this in the world. Bus passes, skeeball tickets, gift cards. They’re generally low-cost. If you steal or forge Korben Dallas’ multipass, though, do you suddenly have his charge accounts, his taxi, and his phone card all at once? Seems high-cost, especially since the one forgery we see in the movie actually works.
This returns us, as so many things do, to multifactor authentication. This security philosophy requires that the user presents three factors: something they have, something they are, and something they know. The multipass covers only the first two.
- The multipass itself is the thing they have.
- The picture is something they are, i.e., what they look like.
- It could be improved by requiring something they know, like a PIN or a password.
We don’t know what kind of power Cornelius’ order wielded in the world, but since it wasn’t enough to sway the president or purchase tickets to Paradise, let’s presume it wouldn’t have been enough to uncover Korben’s password, and in that case, the PIN would have foiled the attempted forgery.
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I see no great problem in lumping all cards into one übercard; they are usually carried together in the wallet anyways.
The only problem I can see is that they are all covered by the same authentication scheme.
On the other hand; maybe multipass could allow each sub-card has its own authentication system and when user tries to access one card the multipass could force all sub-cards to authenticate the user. You could use credit card only if bank, credit company, dmv, etc all agree you are the owner of the card.
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