Palm prints and fingerprints are actually produced at the absolute lowest levels of the skin so you'd have to fry your hand all the way to the meat to permanently damage your prints. Otherwise it'll regenerate fine with time. The biggest risks to your fingerprints is actually aging.

Not that I think basing such stuff on prints are a good idea, but I just wanted to clarify the resilience of them.

[–] acockworkorange@mander.xyz 4 points 1 year ago* (last edited 1 year ago) (1 children)

People working in citrus orchards are known to temporarily lose their prints. Imagine having no digital access for over a month. It's a huge contingent of people.

Other people are known to lose limbs.🤷‍♂️

Whatever we think of, it's got to be some 3 or 4 possible systems to cover 99.9% of the cases. And then you're still left with a lot of marginalized edge cases; and a system that can be exploited by creating multiple disconnected identities using the different systems in isolation.

I hope I'm wrong and it's just my own limitations in creativity, but I don't see a light at the end of this tunnel.

[–] VonReposti@feddit.dk 1 points 1 year ago

Completely agree, I was just addressing the durability of prints as it was misrepresented in OPs comment. Burning yourself on a cast iron (or working with citrus and the like) would at most give you temporary problems with scanning the prints. But a severed finger is definitely impossible to read. For most people the problem though first occurs with aging which affects the elasticity of the skin, making prints hard to read.

[–] QuaternionsRock@lemmy.world 1 points 1 year ago* (last edited 1 year ago)

By “for a month” I meant to imply that it will grow back. it’s not very common for people to permanently lose their prints, but we have to consider things like cuts and burns here as well. You won’t be able to verify your identity through a system like this until it regrows, which is an obvious problem.