I don't really understand the whole DID thing. It seems as if the same thing could be accomplished with a public/private key pair (users are identified by the p

I don't really understand the whole DID thing. It seems as if the same thing could be accomplished with a public/private key pair (users are identified by the public key and content is signed). What is the actual benefit of having these only hosted in a central server or over DNS? Other than that I very much like this. I have long thought that the ideal form of social media would be a combination of static hosting combined with an indexer – essentially a more accessible version of web-hosting.