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daniskarma@lemmy.dbzer0.com ⁨1⁩ ⁨month⁩ ago

Center spain. Until 6pm we didn’t had internet or electricity. But most TPV still worked.

Here is an article explaining why: xataka.com/…/resolviendo-grandes-incognitas-apago…

Basically there’s two ways. The SAI of the supermarkets keep them going. Or they had the advanced models that accepted offline transactions.

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