V2 Apk" -

: It detects any changes made to the APK, including metadata in the ZIP file, ensuring that the version you install is exactly what the developer released.

: Because the signature covers the whole file, the Android system can verify the app much more quickly than it can with file-by-file verification. v2 apk"

While the v2 scheme itself is a security feature, downloading APK files from third-party sources (sideloading) still carries significant risks. How to Protect Your Device from APK Fraud? | RBL Bank : It detects any changes made to the

: It addresses "rollback" attacks and prevents malicious mangling of compressed entries that were possible under the v1 scheme. Safety Report: Sideloading and Modded APKs including metadata in the ZIP file