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submitted 1 month ago by Innerworld@lemmy.world to c/world@lemmy.world
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[-] dfyx@lemmy.helios42.de 1 points 1 month ago

Certificates that can’t be tied to a specific person can and will be shared, making them essentially worthless.

We‘ve had that in Germany about 20 years ago. Some websites asked you to verify your age by entering a part of the encoded data on the back of your ID card. It took maybe a few days until lists with valid IDs were all over the internet.

Sure, certificates are marginally more reliable because they can be revoked but at that point, websites need to update their revocation lists close to real time which isn’t practical and still can’t catch every shared cert.

Reliably verifying your identity without revealing too many personal details is an extremely hard problem that has troubled computer scientists for decades.

this post was submitted on 04 Feb 2026
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