Earn more, learn more, and realise your potential Mobile Technology email newsletter Get ZDNet's mobile news and reviews. However, working smartcard solutions are few and far between. First of all, they're not yet integrated as standard with PCs. And while there are alternatives, they aren't as secure,' said Mulhall.
Most current applications lack a digital receipt to verify transactions.
Long-term storage is also a problem. Smartcards may be a solution, and PCs will increasingly support them. So-called virtual smartcards may provide an interim solution.