Qu Tech

Aug 23, 2021 · Information Security

How Qutoutiao Built a Robust Anti-Cheat SDK and Device Fingerprinting System

This article outlines Qutoutiao's security team's development of a standalone anti‑cheat SDK, its custom device‑fingerprinting architecture, the evolution of their fingerprint algorithms, the creation of the tuid identifier, and how these technologies together combat black‑market attacks while maintaining compliance and stability.