A single click on what may appear to be a Telegram username or harmless link is all it takes to expose your real IP address to attackers due to how proxy links are handled.
A single click on what may appear to be a Telegram username or harmless link is all it takes to expose your real IP address to attackers due to how proxy links are handled.
Or to not use Telegram.
Or both.
Clicking a link in any application will reveal your IP address to the server the link points to, there is nothing unique to Telegram about this
It is still a source of information you can’t get anywhere else, but that utility is declining.