"Why I'm Less Than Infinitely Hostile To Cryptocurrency" by Scott Alexander in Astral Codex Ten https://astralcodexten.substack.com/p/why-im-less-than-infinitely-hostile

Lots of interesting discussion in the comments. I don't think my overall appraisal of the #cryptocurrency / #blockchain space has changed much but it has at least expanded my knowledge somewhat and added to the "known unknowns."