Obviously if they DM you some nonsense about trades or whatever its probably fake. Mute them.
If you have a doubt check their profile to see their followers.
Most big accounts have a website or alt social which will show their npub.
Kosmosis
npub13e…43twj
2024-09-12 07:42:59
in reply to nevent1q…sk5w
Author Public Key
npub13edhg83mlhs0pz76axxkxv8q3vktvuhvnp7w39xdemxtt7hgvvws943twjPublished at
2024-09-12 07:42:59Event JSON
{
"id": "59349f668c77e79d4e0cbe770c593bdf5ae0965119efa3324972c19f91331265",
"pubkey": "8e5b741e3bfde0f08bdae98d6330e08b2cb672ec987ce894cdceccb5fae8631d",
"created_at": 1726126979,
"kind": 1,
"tags": [
[
"e",
"d6d4cd8473ac72cc464a028dd7cdf40776581c0fdfc82e3f3d6422ab25adbb9a",
"",
"root"
],
[
"p",
"a44dbc9aaa357176a7d4f5c3106846ea096b66de0b50ee39aff54baab6c4bf4b"
]
],
"content": "Obviously if they DM you some nonsense about trades or whatever its probably fake. Mute them.\n\nIf you have a doubt check their profile to see their followers.\n\nMost big accounts have a website or alt social which will show their npub.",
"sig": "cd79e752a2be8386a50960a1643d966b458fa2f1b924c896ca3f8bd1ee6fd3655942ceed78c5bc7e5e65a55dbb86345090b288b908c96af1cfea43f61854ab01"
}