There have been many differing interpretations about what a prayer hub actually is and does. Looking at it in its broadest terms, yes, THE INTERNET already is a prayer hub, in that it allows rapid communication globally between praying people.
Information is passed on faster now than ever before - but it's not co-ordinated / managed, there is loads of duplication and it can be difficult knowing what information or people to trust.
So this Prayer Hub will be managed and secure.