The distributed search engine QitChain, starting from effective information, aims to build an effective information aggregator in the blockchain field. In the future, it will not only become Google in the blockchain but also build a huge ecosystem. Enabling the blockchain field. QitChain is the infrastructure of the blockchain, which will integrate various infrastructures to provide users in the blockchain field with more effective and accurate information and bring an excellent application experience to developers, users, investment institutions, etc. QitChain Network, a decentralized search engine, mainly helps users to effectively store and search on blockchain distributed networks. It develops and upgrades the protocol layer at the underlying of secure payment, forming a smart contract suitable for ecological construction to provide more blockchain projects such as NFT and Metaverse with efficient and secure storage and search services, being the Google of blockchain.