I don't know about how they do it, but I'd assume they use geo hash.
Similar read: newsletter.systemdesign…
Similar read: https://newsletter.systemdesign.one/p/how-does-uber-find-nearby-drivers
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I don't know about how they do it, but I'd assume they use geo hash.
Similar read: https://newsletter.systemdesign.one/p/how-does-uber-find-nearby-drivers