: A game-theoretic incentive system where peers prioritize sending data to those who are currently uploading data back to them, discouraging "leeching" (downloading without sharing).
: A user who has a complete copy of the file and is only uploading to others. BitTorrent
: Servers that keep track of which peers are in a swarm and help them find each other. : A game-theoretic incentive system where peers prioritize