Proper backup protocol raises HW requirements. But if you want to do something right, it's just the cost of doing business. There's the old saw, "If you don't have time to do it right, when will you have time to do it again?" But there may not be an opportunity to do this one over.

I foresee moneyed interests working steadily, diligently, relentlessly (with paid labor!) to help this entire effort fail. The success of this concept represents the loss of inestimable billions to today's dominant platforms. Those corporations will, as always, work hard toward their self interests.