The Colorbay community is committed to building a global digital content ecosystem based on blockchain. The core logic of the digital content ecosystem is the effective link and feedback around the chain of "works creation – content discovery – commercial cashing" to ensure the transaction and the rights and interests of all parties. It introduces blockchain technology and business model into the digital content industry, including content mining mechanism, develops standards of the decentralized recording of digital content on chains. And it first creates a set of copyright transaction smart contracts, develops a two-level copyright trading mechanism, to build the digital content value maximization mechanism, which is based on IP cashing, and establish a new blockchain digital content community with creation, comment and transaction in one.