The I2P stands for "Invisible Internet Project", it is a computer network layer that allows applications to send messages to each other pseudonymously and securely. Uses include anonymous Web surfing, chatting, blogging and file transfers. I2P is an anonymous network, exposing a simple layer that applications can use to anonymously and securely send messages to each other. The network itself is strictly message based, but there is a library available to allow reliable streaming communication on top of it. I2P protects your communication from dragnet surveillance and monitoring by third parties such as ISPs. This is similar to proxy apps like Tor. But I2P is not a proxy - it is an ecosystem. All communication is end to end encrypted (in total there are four layers of encryption used when sending a message), and even the end points ("destinations") are cryptographic identifiers (essentially a pair of public keys).