User accounts created on macOS can have a cryptographic attribute known as a secure token, which allows a user to interact with macOS services that require cryptographic privileges, such as FileVault authentication. On computers with Apple silicon, macOS will also grant a similar cryptographic attribute known as volume ownership to user accounts, allowing them to install software updates and manage legacy kernel extensions.
In macOS 10.15–10.15.7, macOS will only request the bootstrap token to grant a secure token to mobile accounts or to an administrator account created in a PreStage Enrollment.
For more information about using the bootstrap token to manage software updates, see Use MDM to deploy software updates to Apple devices in Apple Platform Deployment.