Banks test debit cards using fingerprint chips. What happened? Contactless payments have become the norm – you just wave your card and pay. For security reasons, those payments are capped – normally at £30 – so you still need to use your PIN for more expensive purchases. But rather than remembering and entering your four-digit code, you could soon be using your fingerprint. That’s the idea being tested by the Royal Bank of Scotland (RBS) and NatWest, which RBS owns. The banks have put debit cards with fingerprint readers in the hands of 200 customers across the UK, to see if the idea is worth rolling out on a larger scale. Google warns of security flaws in Chrome and Windows How will it affect you? The cards are identical to existing credit and debit cards, but have a small reader built into one corner. This is powered wirelessly via a signal from card readers, so no batteries are necessary. Those taking part in the current trial have to visit a branch of their bank for their fin...
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