authentication solutions

There are doors that open to reveal another world — one where the end of a wardrobe is a place where a loving lion fights a sinister witch. One where the occupant is a little person obsessed with a magical ring. One where (once penetrated) uncovers platform nine and three-quarters. But, there are doors that just close with no rhyme or reason. One thing I think they have in common — they offer some kind of hope on the other end, should we dare take a step closer. Oh! and, they have some sort of authentication. Ok, maybe not just one thing.

Further reading: centimentalcomics.com