Ok I don't know...
Let us assume your superduper computer figures are correct, going forward the PS4 etc will have at least 4x times the power of the PS3 & the internet will be an IP6 based gigabit to the home vonder land
Further all encryption must decrypt as that is the point (send it thru unknown pipes in a safe fashion) but given enough CPU all encryption must fail, even quantum, because at some point you need to decrypt the bloody thing
At the moment I can only see a usage model as supplying the nes. security; Just as with limiting emails from one mailbox by what one human could reasonably send, we now need "electronic money" that weighs too much for you to carry that much around and spend
But if the market needs to be regulated like that then QED Capitalism must fail, for it can only exist in a market with no regulations e.g. cocaine
If every transaction must ultimately backtrack to some central point to verify the plausibility that someone somewhere might want to d/l a game in Poland and buy a tank of petrol in Peru (at the same time , keep up) that would mean a level of surveillance which would exclude any and all newcomers thus creating a closed market almost as it were "too big to start "
I ask you is there any evidence, any at all, that the world would stand back whilst a few rich and powerful people would control all trade like this? is there?