At the beginning of its establishment, HTDF (HTDF) was a public chain open to the world, with blockchain technology as the core, and the application scenarios were integrated in many aspects and from various angles. The characteristics of blockchain technology were used to solve the traditional network Unresolved problems, through the analysis of existing problems in the blockchain, a unique comprehensive solution is proposed, based on POS + PBFT hybrid consensus mechanism, chain group cross-chain technology, new smart contracts, identity authentication and other governance mechanisms and diversified mining Mine technology to solve a series of specific problems such as the difficulty of landing application in the era of blockchain. Through innovative technical characteristics, it is integrated into a variety of "smart home" ecological application scenarios such as entertainment games, social payment, Internet of Things, and so on....