Get in Touch
Whether you have technical feedback on detection signals, guide corrections, or general inquiries, we welcome open communication. Please review our preferred channels below to ensure the fastest response.
Primary Contact Channels
- Direct Email: For general inquiries, privacy notices, or technical feedback: v@vvrn.cn.
Guidelines for Reporting Signal Issues
To help us diagnose and improve fingerprint accuracy, please include the following technical context when reporting false positives or detection discrepancies:
- Operating System & Version (e.g., macOS Sequoia 15.3, Windows 11 24H2, Ubuntu 24.04 LTS)
- Browser & Version (e.g., Chrome 134, Firefox 136, Safari 18)
- Specific Signal ID (e.g., System timezone, Chinese vendor fonts, WebRTC leak)
- Observed Output vs Expected Output
Frequently Answered Topics
Before sending an inquiry, please note that common questions regarding timezone mechanics, virtual card BIN selection, API prompt caching, and account appeal templates are comprehensively covered in our Anti-Ban Knowledge Base and homepage FAQ.