Awarded for completing Cryptography Algorithms in Practice and passing its exam, demonstrating the ability to choose, configure and retire cryptographic algorithms and parameters across encryption, hashing, key derivation, signatures and certificates.
Certificates are designed to be checked, not just displayed.
The credential is valid for 12 months from issue. Its public page states the expiry date, and renewing means passing the current exam again — so the credential always reflects the current material.