: On a real hacked PS Vita, the NoNpDrm plugin automatically generates these keys from your purchased games.

: Vita games are typically encrypted. A zRIF key contains the necessary data to decrypt these files on the fly so the emulator can read them.

Without the correct ZRIF for a game, Vita3K will show a "missing zrif" error and refuse to boot.

A ZRIF Key Exclusive is a fan-made or reverse-engineered zRIF that unlocks: