doc: update motivation

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Vlad Stan 2023-04-10 09:26:38 +03:00 committed by GitHub
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@ -11,6 +11,8 @@ This NIP defines a way for two clients to derive `one-use-only` keys for sending
## Motivation
The content of `Direct Messages` [NIP-04](https://github.com/nostr-protocol/nips/blob/master/04.md) is encrypted, but everyone can see who is chatting with whom. This is far from ideal from a privacy perspective.
This NIP describes a way to obfuscate DM communications from the "general public", it does not deal with the relay tracking of clients (for that see [NIP XXX](xxx)).
## Suggestion
For the maximum of privacy the two participants of a `Direct Message` exchange SHOULD use a different public key for each `kind:4` event.
This means that each participant has to: