Cryptographic provenance metadata about how media was created or edited.
It helps trace origin, but absence of C2PA does not prove a file is fake.
JRC DigComp / EPSOHQ Digital Skills DB
Deep dive
C2PA: cryptographic provenance metadata for media
C2PA adds cryptographic provenance metadata showing how media was created or edited; the exam trap is that missing C2PA does not mean the file is fake.