Public-private key pairs enable cryptographic verification that the holder/owner of the private key created the artifact (text, image, note) in question. That’s all, but it’s immensely powerful. 

As for attributes or credentials, we then get into things like Decentralized ID (DID) and so-called Verified Credentials. These become considerably more complex. Some are bullish on these schemes, others not so much. 

 Bro I had to read that so slowly and three times out loud lmaooooo I think I got it. Thank you. 

 😆 It’s a lot.