Houses have an easily definable income stream so are easy to value as a real asset. Companies have capital and know-how that input and create something worth more than the sum of the inputs, so have real net worth.
BTC is just computer digits. you can't can't eat it, can't wear it, and if you're stuck on a desert island it can't improve your life. When the music stops and enough people eventually realise this, they're return to their intrinsic value, which is not quite zero (the technology will prove useful in time), but it is certainly not what some people currently think it is.
I'll be the first to admit that BTC price has gone far higher than I ever thought, but yesterday's growth doesn't help anyone who's buying into it now. Yes, you may be able to make 10% or 20% in a short time just because it is so volatile, but that is like trying to pick up pennies in front of a steam roller.