I was just looking at this screenshot of the coins 1 year ago (18 November).

The top 3 are still the same of course, though the prices changed drastically, it's still interesting to see the other coins drop off and disappear like that.
Can't imagine what next year snapshot will look like.
Lol, your topic is a really good one, but most people will see that snapshot of last year and just think, "NOOOOOO!!! If I had only invested a year ago I would be a millionaaaaaareeee!!!!"
Its crazy to look at the history and see how much has changed.
So, of course, it would be crazy to think that it won't change.
I see the wild speculative days of crypto coming to an end this year.
The top 10 most valuable companies will be ones that have an actual working product and community that has real life value.
So, things like ADA and IOTA or other such top coins who people claim will dominate, I just don't see them lasting long.
All of the overvalued coins that have nothing to show will be overtaken by those that have actual functioning businesses.
Also, The top 3, yeah, that will definitely change too. It really is just a matter of time before ETH overtakes btc and ripple dies like the evil sith lord it is.