One of the most consistent human traits is to massively overestimate the short term effect of something, and massively underestimate the long term effect. I'd say in the case of cryptocurrencies this will the most extreme case in all of history.

It's risen at a time when information is much faster and more accessible than ever before, but it's also tackling the most stuffy and fundamental aspect of society - money. Most people don't know the slightest thing about how money works. There's a much longer process of education before the true implications dawn on people.

And look at the progress of the internet itself. The first glimmerings of it were in the late 1960s. It really only became the fabric of everyday life in the last 10-15 years. It only started to get any significant media coverage 25 years after it was invented. That's half a century overall.

The full arc of progress is probably far beyond the average attention span.