Have you already removed yourself from all centralized networks?

Google, banking ect would see IP

They negotiate the tunnel between your devices and in some cases even relay all encrypted traffic. So yes. If you are uncomfortable with that, consider running Headscale on a cheap VPS.

GitHub

GitHub - juanfont/headscale: An open source, self-hosted implementation of the Tailscale control server

An open source, self-hosted implementation of the Tailscale control server - juanfont/headscale

Been running headscale for a while! Works great for everything except graphene where logginf in simply does not work for me at all anymore.

Don't use google. Use a VPN with bank.

I'll check it out!