It cannot be hacked and also cannot become a scam.
The funding is working rotation with no old-new user contribution.
All users who have finished their circles after each deposit will become new supporters.
This principle contributes to makinga fair system, not takes the money from new users to feed the old ones.
The funded amount in HopeBook would be refunded with the principle of 51% community voting which makesHopeBook become special.