Which proved nothing, no machine shown hashing, just a "prototype" of a case.

I don't get it, you guys aren't stupid, you know that you would get a boatload of orders if you just showed a working machine but you just refuse to do it.

Which means you are either really really stupid businessmen and don't deserve our custom, or you are charlatans who don't have a product and are trying to rip off the unwary.