Persistent Information Exchange is a cryptocurrency which launched in October 2016. It is a pure Proof of Stake cryptocurrency. Initially, it was designed to make the blockchain technology easy to use and facilitate the transactions. Features of the currency implement functionality which enables users to freely send coins through social media platforms like Facebook or Twitter. The name of the currency is based on the assumption that the blockchain is a permanent record of trading values: An exchange of information that is persistent. The article will be further updated in case of additional information about PIE.