It is very difficult for me to see that cryptos were a bubble, and even more difficult when you try to point out things to be careful about...bubblewise..
Bubbles tend to burst with a big bang...not loose air slowly and gradually...so why are you talking about bubbles?
Yeah, I know that you could say that people bought Bitcoin three times the price today...when I bought my house, the price doubled in the years that followed...then dropped back again...was that a bubble??