> For the complete documentation index, see [llms.txt](https://xwalk.gitbook.io/xwalk-white-book/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://xwalk.gitbook.io/xwalk-white-book/technical-architecture/5.8-user-management-and-membership-system.md).

# 5.8 User Management and Membership System

##  5**.8.1 Authentication and Authorization**

* **OAuth 2.0**: Implements OAuth 2.0 for secure authentication.
* **JWT**: Uses JWT for stateless authentication and authorization.

## **5.8.2 Membership Levels and Subscription Management**

* **Levels**: Defines VIP, SVIP, and other membership levels with specific benefits.
* **Subscription Management**: Implements subscription management to handle membership fees and renewals.