Qitchain is an independent public chain designed to empower the blockchain, perform distributed storage and distributed retrieval of valid data in the blockchain, and form a distributed search engine in the blockchain network. At present, QitChain is in the stage of infrastructure construction and is upgrading the underlying protocol of secure payment. In the future, it will gradually build smart contracts, establish an ecosystem, integrate popular track projects such as NFT and Metaverse, and provide more innovative blockchain projects and applications. program. QitChain benchmarks against Google in the Internet, provides secure storage and retrieval services for universities in the blockchain field, and eventually forms a distributed search engine system that touches a large user group and developers.