UAV Chain is a decentralized, open-source, and smart contract enabled public chain that adopts a hybrid consensus mechanism of POW+DPOS. We will build a blockchain+drone public chain UAV Chain. This public chain will be able to be used in all areas where drones may be used. In the first stage, we will issue UAV Coin based on the REITs CHAIN RRC20 certification standard. In the second stage, we will develop our own UAV Chain blockchain system, abbreviated as UAV Chain, to create a blockchain+drone ecosystem. Become a complex and comprehensive public chain that stores massive amounts of data, possesses data storage and processing capabilities, and can ensure data security and privacy. UAV Chain will be a platform capable of supporting various fields, applications, and rich business models. This platform has high scalability and high reliability underlying public chain support. UAV Chain also provides support for the development of drone technology through innovative pluggable smart contract platforms, and the application of drones will become increasingly widespread and deeply applicable to various aspects of the national economy. UAV Chain will become one of the application operating system protocols in the field of unmanned aerial vehicles, providing high throughput and different access permissions for decentralized application operation on the protocol. This will enable the platform to be used for both data disclosure requirements and as a super underlying service public chain for commercial grade applications in the less sensitive drone field. UAV Chain is committed to promoting internet decentralization, and its URC-20 protocol will be the world's largest blockchain based decentralized ecosystem....