The time-space chain app is supported by the state. Time-space chain app is legal. It is a problem-solving tool, which can be used by enterprises, merchants and self-employed entrepreneurs in various industries to break boundaries and connect various resources. The main technology of Time-Space Chain (Beijing) Technology Co., Ltd. is based on the collection and processing of big data in the Internet of Things, providing high-end intelligent technology products and services, and is committed to providing excellent intelligent life solutions. Therefore, the time-space chain app is a legal application supported by the state.