> Honestly, cryptocurrencies are useless. Cryptocurrencies are essential. I don't see this mentioned often enough: We've had distributed systems for a long whi

> Honestly, cryptocurrencies are useless. Cryptocurrencies are essential. I don't see this mentioned often enough: We've had distributed systems for a long while before Bitcoin showed up. One of the most significant problems with any distributed system is incentivizing people to run nodes. Cryptocurrency solved this by providing a way to give value back to people who support the network.