The Foundation of Interwallet Operabillity (FIO) Protocol, an open source blockchain designed to improve the usability across multiple blockchains, has completed a $5.7 million dollar funding round led by Binance Labs. FIO is a consortium of major wallet providers, exchanges and payment processors such as Bitcoin.com, Shapeshift and Binance's Trust Wallet. The mainnet is expected to launch in the first quarter of 2020.