It's a note app, not a messaging one, so there isn't any risk.
Anyway, Nostr NIP-17 private messages use gift wraps (NIP-59), so they don't leak any metadata.
One more note: a relay operator cannot know anything more than a casual person that access the relay.
dtonon / daniele
npub100…8vwqk
2026-03-07 20:43:26 UTC
in reply to nevent1q…h8yj
Author Public Key
npub10000003zmk89narqpczy4ff6rnuht2wu05na7kpnh3mak7z2tqzsv8vwqkPublished at
2026-03-07 20:43:26 UTCEvent JSON
{
"id": "486ea4db9e9c3cc2bda23da053b3f968b94b94194ec2c9ac07465a1079381d9e",
"pubkey": "7bdef7be22dd8e59f4600e044aa53a1cf975a9dc7d27df5833bc77db784a5805",
"created_at": 1772916206,
"kind": 1,
"tags": [
[
"e",
"5d45efc56dd0524e58d294ddb5e2d838af4b0aa7ad2981c1cea416b5a5c0805f",
"wss://nos.lol/",
"root",
"7bdef7be22dd8e59f4600e044aa53a1cf975a9dc7d27df5833bc77db784a5805"
],
[
"e",
"0ee5d41cf6dac4a0796cb0691f69628c3b37dac10780ced3d5e979893088af53",
"wss://nos.lol/",
"reply",
"3b5892378804d26def78d0b3eaacf056790ca7e53e39ea4007eef19fc7e23003"
],
[
"p",
"3b5892378804d26def78d0b3eaacf056790ca7e53e39ea4007eef19fc7e23003"
]
],
"content": "It's a note app, not a messaging one, so there isn't any risk.\n\nAnyway, Nostr NIP-17 private messages use gift wraps (NIP-59), so they don't leak any metadata. \nOne more note: a relay operator cannot know anything more than a casual person that access the relay.",
"sig": "39c7f192333f23af0c0999d09697713547f32b8df9f6f9602a21fe0b8fa5118cfee31775544c4cbc440b67b2ab2da93f1e8273cda0bb9ff242adf2392db72f01"
}