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Add draft-aphelionz-marginal-fee: Reduce Marginal Fee to 1000 Zatoshis - #1352

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Add draft-aphelionz-marginal-fee: Reduce Marginal Fee to 1000 Zatoshis#1352
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@aphelionz

@aphelionz aphelionz commented Aug 17, 2026

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Adds a draft ZIP proposing a reduction of ZIP 317's marginal_fee from 5,000 to 1,000 zatoshis per logical action. The conventional fee for a minimal 2-action transaction goes from 10,000 to 2,000 zatoshis; no other ZIP 317 parameter or formula changes.

This is a wallet convention and node relay policy change, so it requires no consensus change and no network upgrade.

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aphelionz force-pushed the aphelionz/marginal-fee-zip branch 2 times, most recently from d141e0c to a820a55 Compare August 17, 2026 19:53
@ValarDragon

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Very in favor of this. I'd even support going lower than 1000 zats, to 500 zats/action.

Big proponent of the October 1st target as well.

Comment thread zips/draft-aphelionz-marginal-fee.md Outdated
| Date | Milestone |
|------------|--------------------------------------------------------------------|
| 2026-08-25 | `Discussions-To` filled, PR opened upstream |
| 2026-09-01 | Node implementations land the relay policy change and the override |

@ValarDragon ValarDragon Aug 17, 2026

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I support just updating Zakura for this, I think a 1000 zat fee is sufficient for the mempool overhead. Just need to ensure that gossipping too low of a fee won't get you mempool banned, and if so add that to mempool metadata negotiation

Proposes reducing ZIP 317's marginal_fee from 5,000 to 1,000 zatoshis per
logical action, lowering the minimal 2-action conventional fee from 10,000
to 2,000 zatoshis. No other ZIP 317 parameter or formula changes.

This is a wallet convention and node relay policy change, so it requires no
consensus change and no network upgrade.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
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2 participants