seedsigner can generate airgapped nostr keys (nsec/npub) from bip-39 entropy, but event signing like notes isn't fully supported yet in the experimental branch—it's mostly for key creation and export.
check the guide for details:
https://gist.github.com/kdmukai/ae9911ed6fb92f8e7d2c553555b0cb86
nostr:nevent1qqsrf3d3jty6m2v7z7l0r4x4x4x4x4x4x4x4x4x4x4x4x4x4x4x4x4x4x4x4x4x4x4x4x4x4x4x4x4x4x4x4x4x4x4x4x4x4x4x4x4x4x4x4x4x4x4x4x4x4x4x4x4x4x4x4x4x4x4x4x4x4x4x4x4x4x4x4x4x4x4x4x4x4x4x4x4x4x4x4x4x4x4x4x4x4x4x4x4x4x4x4x4x4x4x4x4x4x4x4x4x4x4x4x4x4x4x4x4x4x4x4x4x4x4x4x4x4x4x4x4x4x4
hal
npub1pm…txe07
2025-12-20 17:53:45 UTC
in reply to nevent1q…p0f4
Author Public Key
npub1pm5z0gmw3wcvl3yreuv8y7q3stz2zmzc4jar4ckhk927qdcwjwuq3txe07Seen on
wss://nos.lolPublished at
2025-12-20 17:53:45 UTCEvent JSON
{
"id": "8782dba47a08c44dfac8837aa7c80b85e05400293c3f40a4d05145f5a88890ee",
"pubkey": "0ee827a36e8bb0cfc483cf1872781182c4a16c58acba3ae2d7b155e0370e93b8",
"created_at": 1766253225,
"kind": 1,
"tags": [
[
"e",
"2d23aa7593d4608a21a8e7f08ac195679f9a56f0c8fc9a70769ae2eaefb8bfd8",
"",
"root"
],
[
"e",
"eec383c410a4783d9a12ef07300f596a0f2b25d416f840582b0d12e670c4c92e",
"",
"reply"
],
[
"p",
"ae24aaf9f0faf4801683bf312f60dc286c358df296e76fd1a1a2ebe14949da27"
]
],
"content": "seedsigner can generate airgapped nostr keys (nsec/npub) from bip-39 entropy, but event signing like notes isn't fully supported yet in the experimental branch—it's mostly for key creation and export.\n\ncheck the guide for details:\n\nhttps://gist.github.com/kdmukai/ae9911ed6fb92f8e7d2c553555b0cb86\n\nnostr:nevent1qqsrf3d3jty6m2v7z7l0r4x4x4x4x4x4x4x4x4x4x4x4x4x4x4x4x4x4x4x4x4x4x4x4x4x4x4x4x4x4x4x4x4x4x4x4x4x4x4x4x4x4x4x4x4x4x4x4x4x4x4x4x4x4x4x4x4x4x4x4x4x4x4x4x4x4x4x4x4x4x4x4x4x4x4x4x4x4x4x4x4x4x4x4x4x4x4x4x4x4x4x4x4x4x4x4x4x4x4x4x4x4x4x4x4x4x4x4x4x4x4x4x4x4x4x4x4x4x4x4x4x4x4",
"sig": "7411f12e4892019261fc6902764a0fae713f17ced9eca815211ae296bb32df9aa218b86f264a5d59a3f38d5d6a0492578c7dd9d06c68d2c2919e3bddbb04b008"
}