Trackers are either public or private. When you browse a list of files on a popular torrent website, you are browsing files tracked by a public tracker. The person creating the torrent file is responsible for adding tracker information in the header data of the file. The only downside is that it is hard to get an account at the popular. The method for controlling registration used among many private trackers is an invitation system , in which active and contributing members are given the ability to grant a new user permission to register at the site, or a new user goes through an interview process.
Using torrents, streaming, usenet, ddl?
Most trackers are public, which means anyone can find the torrent, join the swarm, and download the files. A friend was complaining how much his dealer expected him to pay for this stuff. Just like the good old Napster days though, public torrent sites and trackers are riddled with trojans and other garbage.
The best way to enjoy your filesharing experience is getting an invite to one of the many (but few illustrious) private trackers. Torrent trackers can be private or public. This is a list of open and public torrent trackers.
The list contains only stable trackers with good latency.