WP - 2026-09-16 - Aurel Ruben Mäder, Christoph Meyer, Yves Nacht and Daniel Gatica-Perez: Cash saves the day: How cash infrastructure enhances resilience during a card payment system outage

Can cash infrastructure mitigate the adverse effects of a card payment system outage? As cashless payment systems become increasingly prevalent, societies are becoming more vulnerable to technical disruptions such as card payment system outages. This paper investigates a one-day…