The ones I've used in the Netherlands and Portugal are similar, but can be refil... | Hacker News

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		mig39 on June 23, 2024 \| parent \| context \| favorite \| on: The tiny chip that powers Montreal subway tickets The ones I've used in the Netherlands and Portugal are similar, but can be refilled. In Portugal, you pay extra for the initial ticket, but subsequent uses are cheaper, because you are using the same physical ticket.

lxgr on June 24, 2024 [–]

I've actually always wondered what type of system the Portugese cards use: They don't seem to be based on anything ISO 14443 (or 15693) at least, since they don't react to my phone or external reader at all.

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