The blockchain operating system of NEAR offers the following features: Scalability: NEAR protocol implements high throughput and low latency transaction processing through underlying technology and optimizations, supporting large-scale distributed applications. User-friendliness: NEAR is designed for both developers and non-developers, providing simple and easy-to-use APIs and development tools for quick building and deployment of distributed applications. Security: NEAR adopts state-of-the-art security protocols, including Role-Based Access Control (RBAC) and Two-Factor Authentication (2FA), to ensure the security of user data and transactions. Openness: NEAR protocol is open-source, offering open networks and APIs globally to encourage developers and enterprises to join this ecosystem and share resources and information. In conclusion, the NEAR blockchain operating system provides a powerful and user-friendly platform for building and deploying distributed applications, and offers secure and high-performance solutions for en