Have you even considered the implications of regulatory approval to create a bitcoin futures market on the CME?
And then the approval to create BTC exchange traded funds (ETFs)?
These are not events that occur for ponzi schemes.
Of course they are
. Read up on Bernie Madoff who is now in jail for the biggest ponzi scheme of all time in the US:https://en.wikipedia.org/wiki/Bernard_Madoff
He was a top market-maker on Wall street not to mention non-executive chairman of the NASDAQ
hence your arguments prove absolutely nothing