Please stop. You don't know what you're talking about. nostr private messages are not synced by any central server. The protocol doesn't lend itself to having very reliable Private messages. For privacy, on nostr, there are a few ways to DM and not all clients use the private way. If they don't, it's terrible for privacy. If they do, well you better hope it's battle tested and that your recipient is using a client that supports it, and if it does you better hope it's programmed well enough to reply in kind instead of insecurely.
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lol, gov shill jumping out of the cave.
NOSTR functions on the same principle as PGP. The privacy of these messages is beyond doubt since decades.
Shill harder 😂
Bro... You're embarrassing yourself. Nothing about event signatures is encrypting messages. Tell me what nip defines private messaging on nostr and how it achieves it.
Not you ... I knew the answer. He clearly doesn't understand privacy on nostr. It's not a good protocol for reliable private messaging.
And that defines the gift wrapping scheme for nip44 which is used for NIP17 DMs and you better hope any other client involved doesn't switch to nip4 because it doesn't do NIP17. And you have to make sure you're signing the right thing. Oh and let's hope the two people talking are using clients that support outbox too otherwise they'll never see each other's messages unless they happen to be on the same relay. And unless it's a big public relay you have a very small anon set. Finding whose messaging on a private relay is easy (no you can't see what or who is messaging but you know the user base of your relay by their kind0s)
Do you see my point? I know the protocol pretty well. I'm not expert but there are better solutions to private messaging right now.
I was just answering your question for informational purposes, nothings perfect