What do you mean by spreading out UTXOs?
A SegWit output is as secure against QC with or without CoinJoin'ing.
Addresses should not be reused anyway. So until spent, the PubKey is not public and thus not susceptible to being broken by QC or anything else.
About plausible deniability: privacy is not a crime! And a very legit thing to worry about. For better or worse, you're always able to prove the trace of your coins through CoinJoins. So it's up to you to reveal it selectively.
m0wer
npub1w3…t4c5c
2026-04-06 08:57:54 UTC
in reply to nevent1q…zgp2
Author Public Key
npub1w3vaxva0vcrx7pnvlpmede5smvafdl69xnu7ma82kaxl9us89zdsht4c5cPublished at
2026-04-06 08:57:54 UTCEvent JSON
{
"id": "717bc96e9b4343c9ccb969187e245f7a9bbbb0d4981cf138394d62de3e514a0e",
"pubkey": "7459d333af66066f066cf87796e690db3a96ff4534f9edf4eab74df2f207289b",
"created_at": 1775465874,
"kind": 1,
"tags": [
[
"e",
"f364f3331c72656684299c5c4344e01b43b0b70cc5fa1882837a016e01214c26",
"",
"root"
],
[
"p",
"7459d333af66066f066cf87796e690db3a96ff4534f9edf4eab74df2f207289b",
"wss://nos.lol/",
"mention"
],
[
"p",
"f0232a536bb84b566170c7353059e95675558a314e478ead5f6e947be53a1e01"
],
[
"r",
"wss://nos.lol/"
],
[
"r",
"wss://nostr.sgn.space/"
],
[
"r",
"wss://relay.damus.io/"
],
[
"r",
"wss://nostr.bitcoiner.social/"
],
[
"client",
"Primal Web"
]
],
"content": "What do you mean by spreading out UTXOs?\n\nA SegWit output is as secure against QC with or without CoinJoin'ing.\n\nAddresses should not be reused anyway. So until spent, the PubKey is not public and thus not susceptible to being broken by QC or anything else.\n\nAbout plausible deniability: privacy is not a crime! And a very legit thing to worry about. For better or worse, you're always able to prove the trace of your coins through CoinJoins. So it's up to you to reveal it selectively.",
"sig": "fbc8b6997cf769f9718340401db34e717843b724c0bb14314fc99d06518b9f95cb92ae6fd74dc965d8d91748d30aeafe2fbd79d172de5458b975885f3abdc20b"
}