# \#coinselection

**URL:** https://delvingbitcoin.org/tag/coinselection/9.md

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## [Deterministic UTXO consolidation under volatile fee regimes](https://delvingbitcoin.org/t/deterministic-utxo-consolidation-under-volatile-fee-regimes/2257)

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**Author:** [@babyblueviper1](https://delvingbitcoin.org/u/babyblueviper1)\
**Replies:** 4\
**Last updated:** [August 17, 2026, 3:48pm UTC](https://delvingbitcoin.org/t/deterministic-utxo-consolidation-under-volatile-fee-regimes/2257 "2026-08-17T15:48:29Z")

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Hi all, I’ve been thinking about UTXO consolidation not purely as a fee optimization problem, but as a potential determinism and correctness surface in wallet transaction construction. Specifically, I’m interested in c…

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## [ CRISP — memory-compressed subset-sum solver for large-n coin selection](https://delvingbitcoin.org/t/crisp-memory-compressed-subset-sum-solver-for-large-n-coin-selection/2454)

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**Author:** [@prashanshan6](https://delvingbitcoin.org/u/prashanshan6)\
**Replies:** 0\
**Last updated:** [April 24, 2026, 1:25pm UTC](https://delvingbitcoin.org/t/crisp-memory-compressed-subset-sum-solver-for-large-n-coin-selection/2454 "2026-04-24T13:25:20Z")

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Hi all — sharing an independent research project on subset-sum solving that I think has a narrow but real application in Bitcoin coin selection. Looking for feedback on whether the regime it targets is actually interesti…

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## [Liquidity provider utxo management](https://delvingbitcoin.org/t/liquidity-provider-utxo-management/600)

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**Author:** [@remyers](https://delvingbitcoin.org/u/remyers)\
**Replies:** 12\
**Last updated:** [September 11, 2024, 3:14pm UTC](https://delvingbitcoin.org/t/liquidity-provider-utxo-management/600 "2024-09-11T15:14:28Z")

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Problem Current wallets are not optimized for liquidity providers like Lightning nodes that fund requests for liquidity via liquidity ads. Liquidity provider wallets have a usage pattern with these characteristics: fr…

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## [GutterGuard and CoinGrinder Simulation results](https://delvingbitcoin.org/t/gutterguard-and-coingrinder-simulation-results/279)

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**Author:** [@murch](https://delvingbitcoin.org/u/murch)\
**Replies:** 3\
**Last updated:** [December 10, 2023, 2:19am UTC](https://delvingbitcoin.org/t/gutterguard-and-coingrinder-simulation-results/279 "2023-12-10T02:19:40Z")

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This post compares results of coin selection simulations on master, GutterGuard (#28977) and CoinGrinder (#27877) branches. Status Quo Bitcoin Core currently uses multiple coin selection algorithms to generate input set…