FIO is a decentralized protocol designed to enhance the usability of blockchain transactions by enabling human-readable addresses and simplifying the process of sending and receiving cryptocurrencies. It aims to improve the user experience in the crypto space by providing features such as customizable wallet addresses and a secure messaging system for transactions. FIO focuses on interoperability among various blockchain networks, facilitating seamless interactions for users and developers alike. The protocol is governed by the FIO Foundation, which oversees its development and community engagement.