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OpenSats is funding thirteen more open-source projects advancing the Bitcoin ecosystem.
LNHANCE
LNHANCE soft fork
A proposed Bitcoin soft fork bundle that combines new script features to enable richer Lightning, Ark, vault, and shared-UTXO designs.
LNHANCE is a proposed Bitcoin soft fork bundle aimed at making advanced contract constructions easier to express on chain. The proposal combines OP_CTV, OP_CSFS, OP_PAIRCOMMIT, and OP_INTERNALKEY to support protocols that need more structured spending conditions than Bitcoin exposes today.
Its designers frame the bundle around practical second-layer and custody use cases. The proposal is meant to improve designs for Eltoo-style Lightning channels, Ark-like systems, vaults, payment pools, and other shared-UTXO constructions that benefit from predictable transaction trees and more flexible signature checks.
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.