P2P anonymity

P2P researchers: use a blocklist or you will be tracked!

The old cliché "You're not paranoid if they really are out to get you" turns out to apply quite nicely to the world of P2P file-sharing. A trio of intrepid researchers from the University of California-Riverside decided to see just how often a P2P user might be tracked by content owners. Their startling conclusion: "naive" users will exchange data with such "fake users" 100 percent of the time.

Ars Technica