Yes thats pending for many months now and its very strange that such important part is incomplete so far. But you just keep an eye on this thread and there site, i think they will update it very soon since the project has been launched for quite a while now.
i think the project has been aleft on its own by the team because of the idea they introduced cant be achieved. So its better to stay away from this project.
Do you have any source to prove this clam that project team has stopped working on it?
Its very big project, CATA is designing some protocols for Flow blockchain and as per my info CATA is a project backed by Chinese team who have extensive experience of working on different projects.