Addressing market demand for information on anonymous internet usage, this book discusses anonymous communication networks, networks through which its participants can communicate with each other without revealing identities. It addresses various anonymous communication networks as a solution to Internet privacy concerns and discusses their usefulness in browsing, email, e-banking and e-voting. The author presents a detailed discussion of the two main approaches to anonymous communication networks: onion routing and a mix network. The author also analyzes existing techniques and discusses new ideas on future improvements and directions-- Provided by publisher.