I read about Extra Onion Blobs a while ago: https://bitcoin.stackexchange.com/a/84507 and checkout the linked PR.

My understanding was you could add data instead of forwarding info and this was how messaging was done between nodes in juggernaut. I believe impervious.ai was also working on using this and they had a VPN use case https://docs.impervious.ai/ and https://youtu.be/5zWoAE8OkFY?feature=shared

I was wondering if we could use the lightning network like an incentivesed version of tor...