So is it a currency or a market? Because if it's a currency, it way too useless and volatile compared to EUR/USD/AUD/CAD/GBP etc. If it's a market (a la share

So is it a currency or a market? Because if it's a currency, it way too useless and volatile compared to EUR/USD/AUD/CAD/GBP etc. If it's a market (a la share market, commodities etc), then the volatility is fine, but what advantage does being a crypto-currency bring here? Because I'd rather invest in a normal company on the stock market instead of a crypto-currency, because at least with the former I am far, far less concerned about yet another exchange disappearing off the face of the earth or doing something illegal...