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Re:Ask HN: What under-the-radar technology are you excited a... by frombody on Monday April 12, 2021 @08:42PM (#26786917)
FYI - This is literally no different than the current state of affairs.

https://www.extremetech.com/extreme/306346-researchers-tape-...

Re:Ask HN: What under-the-radar technology are you excited a... by Robotbeat on Monday April 12, 2021 @08:53PM (#26787007)
Yeah, in fact it'd be a LOT harder to modify a fiducial that has been checksummed/signed/encrypted.

Human readable signage is potentially much easier to attack than machine-readable signage.