I2P, or the Invisible Internet Project, is an anonymous overlay network that allows users to communicate and share information privately. It achieves this by routing traffic through a volunteer network of peers, making it difficult to trace the origin of the data. This focus on privacy makes I2P a popular choice for users seeking to protect their online activities from surveillance. Unlike traditional networks, I2P is designed to facilitate anonymous peer-to-peer communication. Users can host websites, share files, and send messages without revealing their identities. This decentralized approach enhances security and privacy, making I2P a valuable tool for those concerned about online anonymity.