Quote:
Originally Posted by pompousjohn
A much simpler system would be to text a 6 digit confirmation code to the cardholder's mobile, which is then entered into the page where the purchase is being made. Far from foolproof, it would cut online fraud rates down to about 10% of what they are currently.
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except for instance in central london where sms messages are carried differently, so automated systems don't work (as I found out when my car died on me, and was trying to transfer money to a new account from victoria station). To do with the density of the buildings, so that'll kill all purchases made in the middle of london, for a start off.