Tara Darrow, a spokeswoman, repeated that Nordstrom is "exploring other options" and declined to say how many Nordstrom cardholders use Mint.
In the present, Monzo is operating in a limited beta test, with 50,000 cardholders using the service through pre-paid debit cards.
The roll-out of new technology in McDonald's in the UK has led to a surge in contactless payments for fast food, with a third of cardholders using the system to pay for food in the last three months of 2011.
PayPal already knows that its cardholders use its service more often than others, which in turn, increases the number of transactions per account.
Currently, almost 40percentt of cardholders use their Akimbo account to share money — a number Akimbo will look to increase as it moves forward to give it some protection from the growing number of competitors in this space.
"The zip code data is important because it allows the bad guys to quickly and more accurately locate the social security number and data or birth of cardholders using criminal services in the underground that sell this information," said Mr Krebs.
When the cardholder used his card abroad, the transaction theoretically would go through the normal Visa or MasterCard processing that takes place outside of Russia.
"We envisage the cardholder using it to make payments on the Internet," said Sandra Alzetta, senior vice president for electronic commerce for Visa in Europe, "but also to make local payments, such as standing next to a parking meter and sending details to the parking meter, or being able to use it for payment inside a shop".
Create a finger slot at the top of the gift cardholder using your scissors.
Nectar sends out regular bonus points vouchers for cardholders to use when shopping, and individual retailers often offer their own.
