I'll admit to some nerd shit and say that the Mars trilogy was an important part of my becoming a leftist. It got me to question my capitalist realism and think that maybe a better society is possible. I'm reading his most recent book though and he has this long, weird riddle thing where the answer was blockchain and I found it super off putting.
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That blog post reeks of “computers are just a fad, they’ll never catch on. They’re too expensive, and nobody has room in their house for something the size of a mainframe!”
It's not ridiculous to point out that blockchain is a solution looking for a problem. There's very little that blockchains are good at that a centralized database can't do better. In certain cases, where trust is important between two parties who don't know each other, blockchain is great. Anything else? Eehhhhh
I don't know most of the people in the world, and trust is important in any transaction, so "cases where trust is important between two parties who don't know each other" covers a lot.