That's why they're introducing No-SIM signup, so that they don't have to give away data that can be tracked. IPs are a bit tricky to handle though, because the

That's why they're introducing No-SIM signup, so that they don't have to give away data that can be tracked. IPs are a bit tricky to handle though, because they're required to be stored for session management since Telegram is cross-platform and has independent multi-device login.