Comment by grapheneos

It doesn't wipe after a certain number of failed attempts but rather the secure element only permits a total of 20 attempts and heavily throttles the rate those can be done. That's a standard feature for Android 16 QPR2 and later for devices implementing the recommendations. The list of devices with it likely currently only includes Pixels but we'll make sure to have it on the upcoming Motorola Mobility devices.

We wrote an overview of the features we provide:

https://discuss.grapheneos.org/d/40700-grapheneos-protection...