Most of the talk about blockchain seems to be from the intersection of the set of people who don't understand cryptography with the set of people who don't unde

Most of the talk about blockchain seems to be from the intersection of the set of people who don't understand cryptography with the set of people who don't understand economics, perhaps with the set of people who don't understand databases thrown in for good measure. >99% of the time there's a better solution for the problem. Blockchains aren't useless. They're just a lot less useful than what they're currently promised to be.