this post was submitted on 14 Mar 2025
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[–] baggins@lemmy.ca 53 points 2 days ago* (last edited 2 days ago) (25 children)

How would you make an arbitrary QR code have a verifiable signature?

[–] 0tan0d@lemmy.world 2 points 2 days ago (1 children)

Just pay a public CA everytime you make one /s

[–] Bilaketari@reddthat.com 2 points 1 day ago

You pay CAs for certificate issuance, not for signing. You could sign all the QR codes in a city with a single CA-issued certificate as long as the standards for it were all accepted.

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