There have also been complaints after the card payment system failed at Wembley Stadium.

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The company has also won high marks for its new Arch Card payment system, effectively a store credit card.

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In the past, most internet transactions required a credit card or an online payment system like PayPal (NASDAQ: EBAY), creating an effective digital paper trail for people engaging in online transactions.

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Last spring it won permission to inspect the records of customers of PayPal, eBay's online payment system, who have bank or payment-card accounts in tax havens.

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Political pressure has already led credit-card firms and PayPal, an online payment system, to stop customers transferring cash for online wagers.

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The Bank of China Group, which already has a secure online payment system for Visa cards, is developing another system for BOC's Great Wall card, as well as Visa and Mastercard.

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The industry hopes that the introduction in 2003 of chip cards and the personal identification number (Pin) payment system in the UK will lead to a significant reduction in most types of card fraud.

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With over 400 million active credit card accounts on file, Apple had a prime opportunity to convert its customers using a sleek mobile payment system tied to the iPhone.

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