I know that private trackers require users to maintain a good seed ratio. How exactly does that work out mathematically? If a bunch of users have seed ratios above 1, does that mean that there are some users who will forever be below 1, and thus end up getting kicked out, thus resulting in the private tracker just… shrinking over time?
Most trackers provide points for seeding torrents. Usually the amount of points depends on the size and the amount of torrents.
These points can be exchanged for “upload” (or other things like an invite), which helps with increasing the ratio.