Nullslash··on Telegram publishes users' locations onlineit's a privacy issue. Users who enable the feature don't understand that are basically publishing thier latitude longitude online. Which can be resolved into a home address.
Nullslash··on Telegram publishes users' locations onlineYour location will be shared on the map if you make yourself visible. Otherwise, you're safe. Disable location sharing for the whole app.
Nullslash··on Telegram publishes users' locations onlineAuthor here. No, that is called z-coordinate. It's not possible to get z-coordinate by just finding the distance between me and the user.