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Zero-Knowledge Location Privacy via Accurate Floating-Point SNARKs (ia.cr)

submitted 1 week ago by Joker@sh.itjust.works to c/technology@lemmy.world

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[–] tekato@lemmy.world 1 points 1 week ago (1 children)

You mean the hexagon? What prevents you from mapping your GPS output to a hexagon?

[–] brian@programming.dev 1 points 1 week ago

you have to be more specific lol

just tesselate the world with hexagons and say you're in a specific one? that doesn't give precise proximity but does expose your general area.

this does the opposite, doesn't expose your general area but let's you determine if it is close to some other location via an expensive comparison. the precision of proximity isn't tied to how precise a location/small a hexagon you're exposing