LookRev is a peer-to-peer decentralized marketplace. Using block chain and smart contract as the infrastructure, it enable ordinary people to form and join distribution chains for their own custom products, and earn money. It dynamically generates an ongoing smart contract based proof-of-work product distribution chain, creating a trust-worthy, mutually beneficial chain of services for product creation, customization and distribution. By offering product customization based on real-time market feedback, it accelerates the process of finding product-market-fit, building the framework of sustainable chains of businesses for custom products creators, distributors, retailers, and affiliates community.