Bitcoin TLDR

#86

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Summary

Jul 14 - Jul 20, 2025

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Ava Chow's analysis reveals a marked increase in productivity and engagement within the Bitcoin Improvement Proposal (BIP) process following the introduction of new BIP Editors, underscoring both the positive impact of this change and the emerging challenges related to workload distribution among the editors. This development suggests a potential need for reevaluation of roles to maintain the BIP process's efficiency (source). Ethan Heilman highlights Ava Chow's proposal for allocating Witness Versions based on mnemonic significance rather than numerical order to enhance user understanding and safety in Bitcoin transactions, reflecting a thoughtful consideration of usability and security within the cryptocurrency space (source).

Block's open-sourcing of its Bitcoin fee estimation library, Augur, represents a significant contribution to the Bitcoin development community, offering a novel, real-time approach to transaction fee estimation based on live mempool data. This initiative, alongside the development of a benchmarking tool for performance assessment, highlights Block's commitment to improving the accuracy and efficiency of Bitcoin fee estimation (source). Concurrently, advancements in cryptographic structures, as discussed by Jesse Posner and others, suggest a promising compatibility between lattice-based mechanisms and existing Bitcoin Improvement Proposals, indicating a significant potential for enhancing blockchain security and privacy in the face of quantum computing threats (source).

Active Discussions

Against Allowing Quantum Recovery of Bitcoin

27 replies

By conduition

Involving Jameson Lopp, Boris Nagaev+11 others

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Original post on March 16, 2025 14:15 UTC

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Last reply on July 15, 2025 13:53 UTC

bitcoin-dev

  • Or's approach uses Picnic and BIP39 to prove UTXO properties in zero-knowledge.

  • Backward compatibility might be achieved through soft forks, introducing proof-of-seed-derivation.

  • The email highlights the complexity and suggests researching zk-STARKs for post-quantum security.

A Post Quantum Migration Proposal

16 replies

By conduition

Involving Boris Nagaev, Jameson Lopp+5 others

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Original post on July 12, 2025 21:36 UTC

cyclic icon

Last reply on July 20, 2025 22:54 UTC

bitcoin-dev

  • The proposal addresses protecting Bitcoin from future quantum computing threats.

  • Commit/reveal protocols, while promising, face practical application hurdles, limiting their effectiveness.

  • Integrating phases B and C aims to secure Bitcoin against quantum risks without needing a hard fork.

A Taproot-native (re-)bindable transaction bundle proposal

13 replies

By Antoine Poinsot

Involving James OBeirne, Peter Todd+6 others

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Original post on July 9, 2025 18:19 UTC

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Last reply on July 17, 2025 09:05 UTC

bitcoin-dev

  • Antoine discusses Taproot's growing adoption in Bitcoin, noting a rise from 1.6% to 6.7%.

  • He mentions the inevitable slowdown in adoption as Bitcoin matures but remains optimistic.

  • Gentle encouragement for technology upgrade within Bitcoin is preferred over forceful incentives.

DahLIAS: Discrete Logarithm-Based Interactive Aggregate Signatures

12 replies

By Jonas Nick

Involving waxwing/ AdamISZ, Tim Ruffing

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Original post on April 17, 2025 16:27 UTC

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Last reply on July 17, 2025 13:15 UTC

bitcoin-dev

  • The conversation compares "single-b" and "multi-b" cryptographic variants, highlighting the latter's lower signing cost.

  • It emphasizes verification performance as more crucial than signing efficiency for applications like Bitcoin.

  • The need for an honest coordinator to identify disruptive participants is acknowledged, alongside the potential of algebraic algorithms in zero-knowledge contexts.

[BIP Proposal] Proof-of-Activity Reclamation (PoAR)

7 replies

By Boris Nagaev

Involving Donald Dienst, Christian Riley+3 others

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Original post on July 10, 2025 22:55 UTC

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Last reply on July 20, 2025 23:13 UTC

bitcoin-dev

  • Donald Dienst introduced a Bitcoin proposal to reclaim inactive coins for circulation.

  • The PoAR proposal requires a hard fork, differing from methods like SegWit and Taproot.

  • Critics argue it disrupts inheritance plans and alters funding for network security.

Make pathological transactions with more than 2500 legacy signature operations non-standard

4 replies

By Antoine Poinsot

Involving Antoine Riard

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Original post on July 2, 2025 08:47 UTC

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Last reply on July 14, 2025 14:44 UTC

bitcoin-dev

  • Antoine Poinsot examines BIP54's impact on Bitcoin's sigops, suggesting concerns may be overstated.

  • BIP54's sigop counting method aligns with pre-Segwit practices, affecting mostly pathological transactions.

  • The practical impact on standard Bitcoin transactions seems minimal, urging review of BIP54 documentation.

[BIP Proposal] Compressed Base58 Encoding for BIP-39 Mnemonics with Multisig Extensions

1 reply

By Russell OConnor

Involving Zach

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Original post on July 14, 2025 16:12 UTC

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Last reply on July 14, 2025 20:48 UTC

bitcoin-dev

  • A suggestion for Bitcoin security employs BIP-38x descriptors with all xpubs/key paths.

  • Master secrets in codex32 format require secure backup, different from public descriptor data.

  • Ongoing efforts aim to integrate this approach into Bitcoin Core, as shown in PR #32652.

CTV+CSFS: Can we reach consensus on a first step towards covenants?

80 replies

By stevenroose

Involving instagibbs, jamesob+14 others

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Original post on March 10, 2025 22:58 UTC

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Last reply on July 14, 2025 13:13 UTC

delvingbitcoin

  • Bitcoin's next softfork conversation shows growing consensus and developer engagement.

  • The discussion includes enhancing "next tx commitment" and "re-bindable signatures" with proposed codes.

  • A new proposal suggests replacing OP_CTV with OP_TEMPLATEHASH for efficiency and refinement.

Stats on compact block reconstructions

32 replies

By davidgumberg

Involving 0xB10C, ajtowns+8 others

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Original post on August 2, 2024 12:08 UTC

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Last reply on July 16, 2025 00:00 UTC

delvingbitcoin

  • Prefilling transactions in Bitcoin Core nodes showed a higher block reconstruction rate.

  • Effective prefilling requires managing sizes to fit within TCP window spaces.

  • Recommendations include limiting prefill sizes and prioritizing certain transactions for efficiency.

A simple backup scheme for wallet accounts

23 replies

By pyth

Involving salvatoshi, sjors+7 others

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Original post on April 16, 2025 13:52 UTC

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Last reply on July 15, 2025 12:06 UTC

delvingbitcoin

  • The debate contrasts the ease of fund recovery with concerns over privacy and security.

  • Policies like "Liana" propose decryption with multi-party consent to enhance security.

  • The discussion suggests flexible, customizable security solutions, including optional Secret Sharing Schemes.

Changes to BIP-360 - Pay to Quantum Resistant Hash (P2QRH)

20 replies

By murch

Involving EthanHeilman, stevenroose+5 others

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Original post on July 7, 2025 16:01 UTC

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Last reply on July 24, 2025 21:26 UTC

delvingbitcoin

  • The discussion emphasizes choosing a blockchain protocol version for payload efficiency.

  • P2TR uses version 1; the debate is between adopting version 2 or 3.

  • The choice hinges on technical specifics like payload size, not just existing use.

Fee-Based Spam Prevention For Lightning

16 replies

By ClaraShk

Involving JohnLaw, harding

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Original post on March 14, 2025 23:58 UTC

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Last reply on July 14, 2025 13:26 UTC

delvingbitcoin

  • An attacker aims to jam a communication channel using intermediary points M1 and M2.

  • The channel jamming over two weeks costs approximately 8,000 satoshis.

  • The discussion focuses on economic implications for the attacker with minimal transaction values.

Exploring Extended Relative Timelocks

14 replies

By pyth

Involving stevenroose, scgbckbone+1 other

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Original post on July 10, 2025 04:50 UTC

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Last reply on July 23, 2025 11:53 UTC

delvingbitcoin

  • The discourse proposes shifting to a new timelock system, deeming sub-8 block granularity largely unnecessary.

  • Modifications include altering wallet logic flags and UI slider mechanisms for easier timelock adjustments.

  • The approach prioritizes pragmatic software upgrades and user experience over preserving outdated features.

Mitigating Channel Depletion in the Lightning Network: A Survey of Potential Solutions

6 replies

By renepickhardt

Involving ZmnSCPxj, brh28+2 others

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Original post on April 28, 2025 19:08 UTC

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Last reply on July 15, 2025 12:41 UTC

delvingbitcoin

  • The conversation distinguishes between infeasible payments and actual payment failures in blockchain networks.

  • It critiques approaches like peerswaps for potentially harming the network's overall health.

  • A cooperative node effort is advocated for, supporting individual and network stability.

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