great conversation.
I think the likely solution would be a check that happens at signup time, which usually isn't part of the ActivityPub protocol.
However, it might make sense for us to come up with collective solutions for the Fediverse.
Evan Prodromou 🇨🇦🇺🇸🇬🇷🇵🇸
npub176…6nuj0
2026-09-17 14:33:26 UTC
in reply to nevent1q…cg6h
Author Public Key
npub176495h5jd2deymed6taalm3mwgcg9k9qf6z03vac2wp84htwvzvs66nuj0Published at
2026-09-17 14:33:26 UTCEvent JSON
{
"id": "f53ec3367b46764b3eb281d91bf3e5d3713627dea1fa04610759f20b8c7e9fe0",
"pubkey": "f6aa5a5e926a9b926f2dd2fbdfee3b723082d8a04e84f8b3b853827add6e6099",
"created_at": 1789655606,
"kind": 1,
"tags": [
[
"e",
"b25837b0688f262d1d6fc2589ff9c91e51b85f8b9242748cad1016c51e4932d9",
"",
"reply",
"dfb71495e1a9349496b225e90718c56e55b8f67d9a13e2eda554cbaed37569a8"
],
[
"p",
"dfb71495e1a9349496b225e90718c56e55b8f67d9a13e2eda554cbaed37569a8"
],
[
"p",
"f6aa5a5e926a9b926f2dd2fbdfee3b723082d8a04e84f8b3b853827add6e6099"
],
[
"p",
"c73c9e21b3c05f638ab3a40bb0862e48576bfe815eec9b41df6d06ba1c209c47"
],
[
"e",
"334862737835fbffdc663c01336ad64e317117e8474ceb8ad787af2bfdc3e747",
"",
"root",
"c73c9e21b3c05f638ab3a40bb0862e48576bfe815eec9b41df6d06ba1c209c47"
],
[
"proxy",
"https://cosocial.ca/@evan/117286869853220872",
"web"
],
[
"proxy",
"https://cosocial.ca/users/evan/statuses/117286869853220872",
"activitypub"
],
[
"L",
"pink.momostr"
],
[
"l",
"pink.momostr.activitypub:https://cosocial.ca/users/evan/statuses/117286869853220872",
"pink.momostr"
],
[
"-"
]
],
"content": "great conversation.\n\nI think the likely solution would be a check that happens at signup time, which usually isn't part of the ActivityPub protocol.\n\nHowever, it might make sense for us to come up with collective solutions for the Fediverse.",
"sig": "acfef22d455f21f171230bdf40a8347baa2d55024b81d2fd01515d5b62a775a24937358a40b661ee32f43151270a6897575b232662b8fa1a5b7dd7eb3f957453"
}