(The intermediate nodes all see the pre-image but cannot know the exact destination node (unless the next-to-last node knows the last node is a dead end with only one channel)).

Lumor

TLDR: no, those nodes in the path are only "forwarders", they don't know too much or nothing.

bitcoin

What's the safest way to prove that you paid an LN invoice?

afizzycola

Watch
[Onion Routing with HTLCs on the Lightning Network explained!](https://youtu.be/toarjBSPFqI)

TLDR: no, those nodes in the path are only "forwarders", they don't know too much or nothing.