Ro.boot.vbmeta.digest !!top!!

Or directly from the kernel command line:

: The value is initially passed to the kernel via the command line as androidboot.vbmeta.digest and is then reflected as the read-only ( ) system property ro.boot.vbmeta.digest within Android. Verification ro.boot.vbmeta.digest

adb shell getprop ro.boot.vbmeta.digest

In the beginning, the device was a blank slate. Its makers stitched together kernels and frameworks, apps humming like bees within a hive. Each piece of software carried a fingerprint — a digest — and those fingerprints gathered into a ledger: vbmeta. The ledger’s purpose was simple and severe: to list and to vouch, cryptographically, that the pieces of the system had not been tampered with. Or directly from the kernel command line: :

The ro.boot.vbmeta.digest is a read-only ( ro ) property populated by the bootloader during the initial boot stages. It contains a hexadecimal hash (typically SHA-256) representing the digest of the vbmeta partition. Each piece of software carried a fingerprint —