I like nr 4 the most, but has to be done in a way that doesn't download repeated data. Check with @doug from #strfry for that. He had a simple algorithm that that is O(ln n), where n is the difference from local set to global set.
For number, Matrix/Element does this out of the box. You can get inspiration there, as it's open source and has an SDK: https://element.io/
/ Mussum
npub1v4…89wsv
2023-06-24 19:49:14
in reply to nevent1q…h87e
Author Public Key
npub1v49mjjly3e8xuufwfn92r58shk4keajqumtkmgr43cndpzye8qgqr89wsvSeen on
wss://relay.nostr.bandPublished at
2023-06-24 19:49:14Event JSON
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