Zenul_Abidin on Nostr: A signature also needs to have the date. The author is already taken care of via npub ...
A signature also needs to have the date. The author is already taken care of via npub but without the date and something that proves the timestamp accurately like OpenTimeStamps, then you could forge a message to be sent from the past.
Published at
2025-01-19 06:04:01Event JSON
{
"id": "196babdde229540acfe451070a5daeb58a02378938c4b4c5b3ea164cb5749b37",
"pubkey": "58638ea899fa0af1f89b03616c7e0f5ea6c8200c67ec1cb90ca3fe69a443a463",
"created_at": 1737266641,
"kind": 1,
"tags": [
[
"e",
"18db5acdaac47e8236e31dc87b442f598c99c5510ed12d371fb319f9e4ebf771",
"wss://nostr-pub.wellorder.net",
"root"
],
[
"p",
"0575bf03c261c19508094def29ca943a5ab148c4f76c3798a45bbb1162a2b879"
],
[
"r",
"wss://at.nostrworks.com/"
],
[
"r",
"wss://nos.lol/"
],
[
"r",
"wss://nostr.wine/"
],
[
"r",
"wss://relay.snort.social/"
],
[
"r",
"wss://relay.primal.net/"
]
],
"content": "A signature also needs to have the date. The author is already taken care of via npub but without the date and something that proves the timestamp accurately like OpenTimeStamps, then you could forge a message to be sent from the past.",
"sig": "9b940e864fdcb599e410ba549fb7e8b7d94d7ce53c1c6c92b308f85d497a1daf4037b8c1c873902bddd7804dd8fb8ed2ed2b1d107f2e8d2aa547eacdf94a3f79"
}