Martin Seeger is a user on octodon.social. You can follow them or interact with them if you have an account anywhere in the fediverse.
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The smart chip on an ID card is too expensive? The solution is easy: print a photo of the chip instead of having a chip. Just like the U.S. senate does for his staffers:
https://www.wyden.senate.gov/download/?id=79B323A8-B168-45D1-9A13-769684C386C0&download=1
