Revain is a blockchain-based review platform designed to provide authentic feedback on various products and services across industries. Launched in 2018, it utilises blockchain technology to ensure transparency and immutability, thus eliminating the common issue of fake reviews. The platform rewards users with its native token, REV, for their contributions, adding an incentive for providing detailed, honest reviews. Revain is built upon Ethereum and further supports DApp ecosystems, allowing for integration with other blockchain services. The platform incorporates artificial intelligence and machine learning algorithms to evaluate submissions, ensuring that only quality content is rewarded. This approach provides businesses with valuable insights while empowering consumers to make informed decisions.