Maybe you can improve it by the following: E.g. Elon messages Jack, but doesnt want the public to know, that he messaged Jack. So Elon posts a note, which got encrypted and posted into a messages-pool. Jack can decrypt the message with a private key. So now Elon basically messages everyone, but only Jack can read it. Now the question remains: How do Elon and Jack exchange the private keys, to decrypt each others messages, without the pulic knowing it? #grownostr
 

 *So with this, the network would at least only know once, that they both have exchanged keys, but not that they continue to exchange messages and when they do so.