I carry two contactless cards: the metro pass and an office key. They are just t... | Hacker News

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		thesmok on Aug 9, 2017 \| parent \| context \| favorite \| on: Why Germans pay cash for almost everything I carry two contactless cards: the metro pass and an office key. They are just taped together (because I want to make sure I always have both) and still reliably work, so I doubt you are protected.

faceplanted on Aug 20, 2017 [–]

I have tried many times to use a single one of them without the other 5 interfering and it has literally never worked.

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