Cryptocurrencies - Survival of the Fittest Rat?

crypto currencies are kind of hit or miss right now, from people coming from more of the legacy world. The best story about a micro cap stock is one that starts as a micro cap, grows into a small cap, then grows into a mi then becomes a large cap,. That's a success story. Now, the failure rate on the way from micro to large though, is pretty high right nowan you'll know the answer o this better than me.