I'm still learning, but it's peer to peer computer networking.

Reverse TOR proxy's make me want to pull my hair out. This makes a website you run on your desktop or Start9 available to other computers using public key cryptography.

In other words, you can launch a Minecraft server with three lines of code.

Or....An LNbits instance with a TPOS and a Jukebox at a brewery that accepts bitcoin. 😁