What i mean is they have a dynamic Server Seed while a true Provably fair engine has an static and let the users change it when they want.
Thanks for sharing that @seoincorporation. I've been like curious on how a dynamic server works and how provably fair matters: I stumble upon this article here:
https://medium.com/@f5.works/introduction-to-provably-fair-f039e241aa2a and more likely it explains here how provably fair really should work, I really like the example here more like ELI5 kind of stuff. A good read.