I think the main answer to most of these questions is that everything works well as long as BTC and most others currencies continues to rapidly increase in valu

I think the main answer to most of these questions is that everything works well as long as BTC and most others currencies continues to rapidly increase in value as a result of a lot of cash inflows into these cryptocurrencies. This papers over all of the fraud at least for now... When the explanation is too complex for anyone to really grasp or verify, realize that this is probably intentionally opaque in order to hide the fact that it is either hugely risky, built on a house of cards or it may be just outright fraud.