Review on the Aofex exchange, the project which it make use blockchain technology which enable it to offer search and download service that include the music files, and it ensure the creation of the very easy economic system which is based on the exchanges of music in exchange for fees in a crypto currency era today. The Voise which also makes use of the VOISE token as a best driving force that works with the platform's operation provided. the project is an ERC-20 token form which normally based on the smart contract service technology of an Ethereum chain. part of the project fundamental aims is to offer a very good blockchain technology to all of its music industry's. and it also Create a well secure ecosystem to the monetize the music industry with the interaction of other customers, many artists and blockchain technology system.