but i think his exchange services constitute more on the risk involved in cryptocurrency, while knowing this he could have maintain only dealing with bitcoin than altcoins which most have resulted into scam related offenses, i think CZ motive is just to make business and profit out of it, regardless of means, we all know many shitty coins enlisted on Binance before now but which are no where to be found today. cryptocurrency involves taking risk but centralized exchanges were risks added to taking a risk.