Any application using WebRTC is forced to use some kind of centralized signaling service. The OP uses WebTorrent trackers. At least, until there's a well establ

Any application using WebRTC is forced to use some kind of centralized signaling service. The OP uses WebTorrent trackers. At least, until there's a well established analog to the BitTorrent DHT, but that doesn't seem likely anytime soon.