We've had "auth without centralized authority" for decades, and 99% of people don't care and won't deal with the hassle involved. see PGP, encrypted email, OpenID, etc etc..
The exclusive communities you mention only have value because of the hype and FOMO and high dollar amounts that people see being made on sales of "exclusive" NFTs or some such. Same as many of the many crypto pumps, same as the dotcom bubble, same as tulips. Same as it ever was.
The exclusive communities you mention only have value because of the hype and FOMO and high dollar amounts that people see being made on sales of "exclusive" NFTs or some such. Same as many of the many crypto pumps, same as the dotcom bubble, same as tulips. Same as it ever was.