We all know here that there are ways to verify the authenticity of a license, the casino will not put its reputation in trouble just by faking the certificate and trying to fool the community.

Here is the tutorial on how to verify and validate a Curacao license if the method is not working in a platform then there's a possibility that the platform does not have a license at all and just faking it.
https://casino-howto.com/blog/how-to-verify-curacao-gambling-licenses-easy/