Or at least they have learned how to fake volume too

In the case of traditional corporations, external auditors and government bodies like the US SEC try to ensure that production and sales figures have not been inflated to mislead investors. Unfortunately there are no controls whatsoever for cryptocoin exchanges (and some insist that any such controls would defeat the purpose of the initiative).
In 2011 I spent many hours typing and plotting the temperature, pressure, and water level data for the Fukushima reactors that were released by TEPCO several times a day. After a few months TEPCO finally admitted that the fuel had melted its way through the bottom of the reactor vessels, so that those numbers were totally meaningless.
I suspect that I will soon have the same disappointment about the bitcoin market volume data...
