The festival is the first multi-day event in the UK to enable revelers to make cashless payments with the same wristband used to gain entry.

The wristbands, provided by manufacturer ID&C, meant thousands of festival-goers could make instant payments at bars, without the need to carry cash.

Visitors using the wristbands could spend up to £20 in a single transaction and any unused credit would be automatically refunded to their card after the festival, a number of top-up points were ...