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Inside the tiny chip that powers Montreal subway tickets
(www.righto.com)
This is a most excellent place for technology news and articles.
Here is a link to the Mastadon post where I saw this first, since this link is showing as non-secure.
https://mastodon.world/@kenshirriff@oldbytes.space/112666771797972297
Thank you for the link! Always had only a vague understand of NFC communication.
Yeah, really appreciated that thorough breakdown!