What is Lightning Routing ~ Bitcoin to the Max
World Crypto Network
Intermediate nodes forwarding the message can verify the integrity of the packet and can learn which node they should forward the packet to. They cannot learn which other nodes, besides their...

https://relay.towardsliberty.com/bacd220f44ceb8ef5e65b5d02dd8d0bf7ca2d1b40d00a082bc2fc2a4ca1e00c6.mp4
https://www.youtube.com/watch?v=BrhYXz8PXf4