Is There a Single Point of Failure in Cassa?

If we were a single point of failure, then we'd really be no better than any of the other exchanges, or bit coin banks, as it were. We have no control over them. Using them does not rely on any cassa infra structure and t that's one of the big benefits of us not doing anything novel. And you can essentially import your your keys and other data into so that you can then manage your funds even if cassa stops working for some reason.