Revain is a project based on the BlockChain blockchain in which it is based on reviews and comments of comments to companies which is evaluated to guarantee its authenticity. This platform receives opinions and analysis from users to companies such as games, exchanges, and casino projects to maintain a value so that they can be recognized by more people. This is a secure platform since it has technology that decrypts each of the publications to discard those unnecessary publications or that are not related to the subject and as a reward those who make their comments will obtain each certain level RVN that is the currency of the platform .