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Addressing remaining points on BIP 54

12 replies

By Antoine Poinsot

Involving Antoine Riard, Matt Corallo+3 others

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Original post on December 30, 2025 15:59 UTC

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Last reply on January 30, 2026 04:08 UTC

bitcoin-dev

  • BIP 54 discussion reignites, focusing on pros and cons of embedding extranonce in nLockTime.

  • Jeremy Rubin proposes a sparse Merkle tree to avoid smart contract issues, facing skepticism.

  • Despite concerns, consensus leans towards pragmatic solutions avoiding major protocol changes.

Algorithm Agility for Bitcoin to maintain security in the face of quantum and classic breaks in the signature algorithms

2 replies

By Ethan Heilman

Involving Brandon Black, Erik Aronesty+1 other

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Original post on February 9, 2026 14:20 UTC

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Last reply on February 11, 2026 00:19 UTC

bitcoin-dev

  • The proposal enhances Bitcoin's security against quantum computing and algorithm breaks.

  • It introduces a dual signature system with primary and emergency backup algorithms.

  • This approach aims to maintain Bitcoin's reliability as a long-term investment option.

Bip54: add sequence, timestamp (and version) to GBT

By Sjors Provoost

Involving Melvin Carvalho

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Original post on February 9, 2026 19:37 UTC

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Last reply on February 9, 2026 19:37 UTC

bitcoin-dev

  • BIP54 focuses on setting `nLockTime` and `nSequence` in coinbase transactions by mining pools.

  • It introduces keys in `getblocktemplate` for better future soft fork compatibility.

  • The proposal underscores compliance importance for future-proofing against protocol changes.

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