Roger Dingledine, The Free Haven Project, arma@freehaven.net Nick Mathewson, The Free Haven Project, nickm@freehaven.net Paul Syverson, Naval Research Lab, syverson@itd.nrl.navy.mil Abstract We present Tor, a circuit-based low-latency anonymous communication service. This second-generation Onion Routing system addresses limitations in the original design by adding perfect forward secrecy, congesti
