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Add LNHANCE topic page #867

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45d6e9e
feat: add LNHANCE topic page
dergigi Jun 16, 2026
0906701
fix: apply suggestions from Tuma
dergigi Jun 30, 2026
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2 changes: 1 addition & 1 deletion data/blog/fifteenth-wave-of-bitcoin-grants.mdx
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Expand Up @@ -251,7 +251,7 @@ to levels suitable for hardware wallets.
Repositories: [LNHANCE-Expedition]
Licenses: CC0-1.0, CC BY 4.0, MIT

[LNhance soft fork]: https://lnhance.org/
[LNhance soft fork]: /topics/lnhance
[Eltoo]: /topics/eltoo
[hArk]: https://delvingbitcoin.org/t/evolving-the-ark-protocol-using-ctv-and-csfs/1602#p-4785-hark-hash-lock-ark-10
[vaults]: /topics/vaults
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18 changes: 18 additions & 0 deletions data/topics/lnhance.mdx
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---
title: 'LNHANCE'
summary: 'A proposed Bitcoin soft fork bundle that combines new script features to enable richer Lightning, Ark, vault, and shared-UTXO designs.'
category: 'Bitcoin'
aliases: ['LNhance', 'LNHANCE soft fork', 'LNhance soft fork']
---

LNHANCE is a proposed Bitcoin soft fork bundle aimed at making advanced contract constructions easier to express on chain. The proposal combines [OP_CTV](/topics/op-ctv), [OP_CSFS](/topics/op-csfs), `OP_PAIRCOMMIT`, and `OP_INTERNALKEY` to support protocols that need more structured spending conditions than Bitcoin exposes today.

@TumaBitcoiner TumaBitcoiner Jun 16, 2026

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Added issues for OP_PAIRCOMMIT (#871) and OP_INTERNALKEY (#872)


Its designers frame the bundle around practical second-layer and custody use cases. The proposal is meant to improve designs for [Eltoo](/topics/eltoo)-style Lightning channels, [Ark](/topics/ark)-like systems, vaults, payment pools, and other shared-UTXO constructions that benefit from predictable transaction trees and more flexible signature checks.
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LNHANCE remains a proposal. It has not been activated on Bitcoin, and the tradeoffs are still being explored in research, specifications, and proof-of-concept implementations such as the LNHANCE Expedition work funded by OpenSats.
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## References

- [lnhance.org](https://lnhance.org/)
- [Bitcoin Optech Newsletter #285](https://bitcoinops.org/en/newsletters/2024/01/17/)
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- [LNHANCE-Expedition](https://github.com/LNHANCE-Expedition)
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