About ShengYin

All Hardware Self-Designed

Fully self-developed hardware — no off-the-shelf SoC is used. Physical isolation at the hardware level — the audio path is physically isolated, and privacy-leaking components such as GPS and cameras are removed. Security is ensured from the design stage with no exploitable privacy vulnerabilities.

All Software Self-Developed

The system runs on an extremely compact firmware of under 1 MB. The lean codebase minimizes the attack surface and maximizes overall trustworthiness.

Security at Every Step of Every Call

All communications travel exclusively through self-built servers and use end-to-end encryption, preventing any third-party intervention. The IP addresses and location information of both parties are never exposed, ensuring complete privacy isolation.

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