At the beginning of its establishment, HTDF was a global open public chain, with blockchain technology as its core. It integrates application scenarios from multiple perspectives and uses the characteristics of blockchain technology to solve problems that cannot be solved in traditional networks. Through analysis of existing blockchain problems, HTDF proposes unique comprehensive solutions based on POS+PBFT hybrid consensus mechanism, chain cluster cross chain technology, new smart contracts Governance mechanisms such as identity authentication and diversified mining technologies are used to solve a series of specific problems such as the difficulty in implementing blockchain applications in the era of blockchain. Integrating innovative technological features into various "smart home" ecological application scenarios such as entertainment games, social payments, and the Internet of Things....