StrongBox is an implementation of the Keymaster HAL that resides in a hardware security module. It is an important security enhancement for Android devices and paved the way for us to consider features that were previously not possible. StrongBox and tamper-resistant hardware are becoming important requirements for emerging user features, including:Digital keys (car, home, office) Digital car keys, keys, wallet, and more. The Android Ready SE Alliance has formed to accelerate adoption of these new Android use cases.”]
Source: https://security.googleblog.com/2021/03/announcing-android-ready-se-alliance.html