Lots of academics suffer from that syndrome. As soon as they get out of their comfort zone of year-long expertise, they still think of themselves as experts, yet don't realize their ignorance.

No need to "hmmm", let's just say it: Krugman is writing about things of which he has no knowledge. Disgraceful, for someone purporting to be an academic 



SimpleStacker

These keys are generated by “mining,” which means using banks of computer servers to solve extremely complex computational problems (a process that is costly and consumes huge amounts of electricity, generating lots of greenhouse gases).

crypto

How 2024 Became a Crypto Election - Paul Krugman

south_korea_ln

> These keys are generated by “mining,” which means using banks of computer servers to solve extremely complex computational problems (a process that is costly and consumes huge amounts of electricity, generating lots of greenhouse gases).

Hmmm