Well, I don't think so!

In my opinion, after a decade, most of the AltCoins would be disappeared because of some Security Issues.

I would vote for something like Ethereum Project, it might be one of the survival 😉

So, BitCoin would still be the first picture, but it might look like that:

P.S: Sorry for my poor edit! 😂😂

There are an endless possibilities of the future of CryptoCurrencies, but what everyone agrees on that BTC would still be the #1 coin and it won't be burned out!