Beidou Chain is an underlying public chain framework. As a representative of the third generation of blockchain, it is positioned as an enterprise-level blockchain development and application platform, and creatively proposes the concept of "transaction engine" to provide enterprises with blockchain middleware products to meet the needs of large-scale and mainstream commercial applications. Beidou Chain’s key R&D direction is the combination of blockchain and the Internet of Things, as well as blockchain storage solutions, and can provide enterprises with blockchain BAAS services.