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Illustration: Jonathan Djob Nkondo for Bloomberg Businessweek

Bitcoin Is Ridiculous. Blockchain Is Dangerous

The true believers won’t stop until they’ve remade the world. Some of it will be thrilling. Some of it will keep us up at night.

On the days when Bitcoin crashes, a holiday atmosphere takes over in my corners of the internet. People tweet screengrabs of Reddit fights. It’s always good fun to watch strangers grieve as their digital nonsense nickels melt into slag.

It’s not that I want Bitcoin holders to suffer, really. As a technologist and entrepreneur, I’m sympathetic to and admiring of risk takers. But as a writer, I enjoy the sheer human-condition-revealing sport. I’m happy to watch other people play video games without playing myself. I’ll watch poker, but I’ve never bought a deck of cards—and when I watch football, I keep the official NFL rulebook open on my phone. For whatever reason, I tend to like the rules more than the game. Bitcoin is at some level just a set of rules, defined by software, that has become one of the world’s weirdest games. And people who invest in an unmanageable abstraction, then panic when it underperforms, are very entertaining.