It is considered to be an online review platform being the first to adopt the decentralized review system through a two-step process and confirmation by blockchain technology.
Revain acts as a new generation positive feedback platform which is based on blockchain technology, this program has been built on the ethereum platform to be able to obtain revain first you have to configure a Revain portfolio which should later be purchased with ethereum since it is built on this platform to then exchange ethereum to revain.