Cryptocurrency could make you a millionaire, as long as someone else buys it before it loses the lure and another one doesn't take its place. It's a gamble, like penny stocks. :)

Sure, silver moves up and down in the short time but in the long run it's value stays about the same. Perfect example I've heard about precious metals, "an ounce of gold 100 years ago could buy a vey nice suite... an once of gold today will buy you a very nice suite. "