Bitcoin has pulled back sharply after reaching all-time highs of over $60,000 per coin.To old hands in the crypto game, the selloff is just another day at the office. To newer players, the volatility is jolting.While there is nothing wrong with taking profits, I believe Bitcoin will go down in history as one of the most powerful inventions of all time.Why the biggest risk in owning Bitcoin isn't price crashes, but losing your password.