I’ve never used webtor but just trying to understand how it works. Apparently it’s a Tor client running on a web server which then serves the data to web users the simple way -- correct?

Do users have to wait until the complete torrent is fetched before being able to download?

Does webtor just leech or does it seed as well? And if it just leeches, don’t others in the swarm take notice and cut webtor off?