People are still trying to wrap their heads around cryptocurrencies, as we've seen from regulators, lawmakers, investors, and even true believers. Some argue Bitcoin is digital gold. Some say it's a currency. Some a commodity. Others call it a "protocol." But the answer is simple: Bitcoin is digital alcohol.
-- Joe Weisenthal, Bloomberg
Of course this is just the punch-line. You will have to click-through to read the (very clever) setup.