Yes.
One of original reasons might be also additional security info layer which you need to know (not only number, but expiry date).
9sirtom5
npub1mu6…zflr
2023-07-27 10:57:42
in reply to nevent1q…pd3s
Author Public Key
npub1mu6e6ty69f3vp5tj333tesz5v64tksyj0gep5a6skg5qqznhdjzqmtzflrPublished at
2023-07-27 10:57:42Event JSON
{
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"pubkey": "df359d2c9a2a62c0d1728c62bcc05466aabb40927a321a7750b228000a776c84",
"created_at": 1690448262,
"kind": 1,
"tags": [
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[
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[
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],
"content": "Yes.\nOne of original reasons might be also additional security info layer which you need to know (not only number, but expiry date). ",
"sig": "09b4b45fa9da030b0615f5c176d958607099926cd3b57124dce25e8f966410db0b437e4bf7c32c234b89e389eb504bac0f575d3d577010b2d47202158af519bd"
}