TOK is a multifunctional decentralized chat application built on the Ethereum Blockchain. While offering users all the classic features of a chat application, it also offers a light weight in-built cryptocurrency wallet. While communicating with family and friends through TOK, the application will offer many more functionalities as compared to the conventional instant messaging apps. TOK is a unified instant messaging application with features that are useful for personal and professional purposes. Webinars, collaborative documents, whiteboard, screen sharing, video broadcasts, advanced location features and currency transfer are a few of our core offerings.