Peer-to-peer (P2P) file sharing is a system of sharing files directly between network users, without the assistance or interference of a central server. Files reside on computers of users all over the world and are shared bit by bit between those users directly. The decentralized nature of peer-to-peer file sharing removes the need for a central server, and removes the possibility of centralized control. Because peer-to-peer file sharing networks do not require a central server, they are more scalable and more redundant than centralized file sharing schemes. Peer-to-peer file sharing networks are also more resistant to legal attacks, because there [...]