The zRIF key is essentially a compressed version of a "fake" license file (originally known as a .rif or work.bin file). In the PS Vita homebrew scene, specifically using the plugin, these keys act as a digital "unlock" that tells the system the software is authorized.
For those using hardware or emulators, zRIF keys are used in several ways: ps vita zrif key free
A is a string of compressed cryptographic data used to bypass digital rights management (DRM) on the PlayStation Vita The zRIF key is essentially a compressed version
: A zRIF key typically starts with a standard header (often "KO5...") followed by a long, alphanumeric string. How to Use zRIF Keys specifically using the plugin