But you seem to be picking whatever is your least favorite defense of blockchain tech from Twitter and declaring that it's the only "purpose" of the whole categ

But you seem to be picking whatever is your least favorite defense of blockchain tech from Twitter and declaring that it's the only "purpose" of the whole category of technologies. This is just as preposterous as saying "locks are built with the declared intention of protecting private property without any government protection of property, therefore if someone breaks your lock and steals your stuff you can't just go to the police and expect them to help."