https://hackaday.com/2022/05/30/expired-certificate-causes-german-payment-meltdown/ https://hackaday.com/2022/05/30/expired-certificate-causes-g... This took t

https://hackaday.com/2022/05/30/expired-certificate-causes-german-payment-meltdown/ https://hackaday.com/2022/05/30/expired-certificate-causes-g... This took two and a half days iirc and just so happened to affect the two closest supermarkets.