Titan M. They have it built into their Pixel devices much like a tiny mobile TPM. https://www.blog.google/products/pixel/titan-m-makes-pixel-3-our-most-secure-

Titan M. They have it built into their Pixel devices much like a tiny mobile TPM. https://www.blog.google/products/pixel/titan-m-makes-pixel-3-our-most-secure-phone-yet/ https://www.blog.google/products/pixel/titan-m-makes-pixel-3... With that said, I cant find mention of this on the page so it's probably not leveraging this.