I wonder, how many of us here actually understand Bitcoin and cryptocurrencies? I know several of us probably use them, but even amongst the tech-savy, there seem to be very few who actually understand it, and even fewer of those who participate in the programming of it. I understand the descriptions of blockchains and it's advantages, but I've never looked at any code. And I realize that anyone could in theory look at the code and participate, but it's out of the reach of most programmers I think, let alone regular people. So while on the one hand it seems to be a great "power to the people" currency option, it's really still in the hands of a few.