i have never heard about this project up until now. did they manage to have some working pos?
Not until now, we're waiting for the development
We are NOT waiting for development. Most of the things are ready and in beta testing. Next about 3 months will be beta testing and then... Thats it
For all new investors I suggest you to go through links in weekly discussion on reddit page.
It has all the important links and features there
https://www.reddit.com/r/Graft/comments/9mmujx/weekly_graft_discussion_october_09_2018/