It was very rare for us, only happened once as far as I remember. The network would need to be down, while the power was still up. I don’t think the extra frau

It was very rare for us, only happened once as far as I remember. The network would need to be down, while the power was still up. I don’t think the extra fraud was a major concern. The person would need to happen to be in the shop with their fake card for this very rare event.