This is going to be a short one...
So just think about it for a moment, during the 1800s we have seen great stories about the gold rush, when mining communities suddenly appeared from nothing all over the world. These people has settled near mountains, rural areas where the infrastructure was nowhere close to the normal levels.
So these people started to mine for Gold, and eventually when some of them found something, they did not go back to their hometown... they have spent it in their communities. They have built Banks, Hospitals, Hotels and Pubs of course. They have reinvested their capital in their communities, which was able to grow and enhance, effectively leading to more miners around.
This is what exactly happens in the cryptocurrency industry.
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The early adopters have made a great fortune through the first years of Bitcoin, but these people are not going back to FIAT currency. They sell when the price has surged a lot, and then reinvest their money in mining rigs, ICOs, other cryptocurrencies, and also starting their own businesses in order to bring the industry to the public. They are strengthening the infrastructure.
Eventually they are "grateful" for their success, and reward the industry by investing in it. This leads a more stable market, which will be ready to handle the greater crowd which will arrive soon.
We all have heard about the Gold rush, the Dotcom Bubble, now we have an emerging blockchain industry. I am not worried at all, just take a look where we are now with Facebook, Amazon, IBM.. etc.
Good times are ahead, I cant wait to see the next five years.