Sweden's defense ministry distributed brochures titled "If Crisis or War Comes," which urged regular cash usage to ensure national preparedness

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In November, the Swedish defense ministry mailed a national survival brochure titled If Crisis or War Comes to every home. It asked people to use cash regularly and keep at least a week’s worth of bills in various denominations.

This was supposed to be the model for the future of finance. However, the Swedes now have second thoughts about cash, with the authorities even urging citizens to use cash more frequently for civil defense purposes. Popular payment apps, for instance, can become inaccessible in the case of cyberattacks.