VOC voice chain is a storage tool for voice data and artificial identification information based on blockchain technology. It mines voice data with different dialects and meanings provided by users to solve the data bottleneck faced by the development of AI voice. The most practical scenario application in the field of big data in the chain technology application. The VOC voice chain is committed to building a corpus resource platform that radiates the world. Through the cooperation of community members, it provides the world's largest, richest and most accurate training data source for the development of AI speech recognition, and realizes the creation of the world's largest decentralized human voice. Data Ecological Vision. Really let the data "take from the people and use it for the people", and make the realizable value of big data "from the people and return to the people".