From: Adam Flinton 

Dave Ings wrote:
> This is no different than a debit transaction as far as I can see.
>
> I don't even see the difference from a credit transaction these days - it's
> been eons since I've had an unauthorized credit transaction except at
> roadside stand kinds of places (where I'm loath to use my credit card
> anyways).
>
> You're not making a very convincing case (not that it's particularly your
> job to do so!)

It's about a number of different factors from knowing a pin rather than
using a signature, to being able to turn off the card remotely so that even
a disconeected reader would reject it, through to tracking the user where
& whenever he/she uses it etc.

Adam

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