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QR code not a suitable security feature

Mrs Maria Loh Mun Foong has suggested using unique QR codes as an added security feature to discourage forgery in degrees ("Issue QR codes as added security feature for degrees"; Monday). It is true that technology should be harnessed to deter fraudulent practices when it comes to educational certificates. But QR-code technology might not be suitable. QR codes have been around for many years now. Their use is convenient and allows for the efficient access of information.

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