Yes, that happened when I completed the whitepaper reading, around a year and a half ago. I knew that it was something big and I thought that it wouldn't be a bad idea to enter, even a decade later. I was correct! But, I generally entered for the profit, it took a while to feel financial free with my Electrum.

It is, indeed, one (if not the) most revolutionary invention ever. Maybe not that “world changing” compared with the internet, but it's surely revolutionary. A guy made a completely unstoppable movement and then he disappeared, leaving the throng to use it, with no bosses.