Bitcoin TLDR

#116

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Summary

Feb 9 - Feb 15, 2026

Our weekly newsletter is focused on keeping you updated on what's new in Bitcoin, and summarizes the bitcoin-dev, lightning-dev and delving bitcoin mailing lists

Recent discussions within the Bitcoin community have delved into a multitude of technical enhancements and philosophical debates, showcasing the ecosystem's ongoing evolution. Topics have ranged from the integration of cryptographic agility in Bitcoin to accommodate future security needs, the release of Bitcoin Core 29.3 featuring numerous updates, and the proposal of BIP54 to standardize coinbase transaction fields. These conversations underscore the community's commitment to securing Bitcoin's network against potential threats, including quantum computing, while also enhancing its functionality and user experience (source, source, source).

Furthermore, innovative proposals such as the Hourglass mechanism aim to mitigate risks associated with mass liquidations of P2PK funds, highlighting the community's proactive approach to addressing potential vulnerabilities. Additionally, the introduction of BIP392 for Silent Payment Output Script Descriptors and the discussion around Bitcoin PIPEs version 2 reflect efforts to enhance privacy, security, and programmability within the Bitcoin protocol without compromising its foundational principles (source, source).

Lastly, debates over the future of the Bitcoin Core GUI and the complexities of UTXO consolidation practices shed light on the intricate balance between enhancing user experience and ensuring transactional correctness and safety. These discussions not only illustrate the diverse challenges facing the Bitcoin ecosystem but also the community's dedication to collaborative problem-solving and innovation (source, source).

Active Discussions

Addressing remaining points on BIP 54

14 replies

By Antoine Riard

Involving Antoine Poinsot, Matt Corallo+3 others

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Original post on December 30, 2025 15:59 UTC

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Last reply on February 12, 2026 03:57 UTC

bitcoin-dev

  • BIPs, specifically BIP54, phase out nSequence inspection for coinbase transactions' uniqueness.

  • BIP30's aim to prevent duplicate coinbase transactions becomes redundant after BIP54 activation.

  • The conversation suggests nSequence field might hold future utility for block-wide commitments despite BIP54's changes.

Great Consensus Cleanup Revival

90 replies

By AntoineP

Involving ajtowns, sjors+14 others

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Original post on March 24, 2024 19:53 UTC

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Last reply on February 13, 2026 21:31 UTC

delvingbitcoin

  • BIP 54, termed Consensus Cleanup, is now active on the Bitcoin Inquisition network from block 291168.

  • It represents a critical step in the network's development and optimization.

  • More information on this update is available through the provided link.

SuperScalar: Laddered Timeout-Tr - ee-StructuredDecker-Wattenhofer Factories

33 replies

By ZmnSCPxj

Involving ariard, t-bast+3 others

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Original post on September 16, 2024 20:08 UTC

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Last reply on February 13, 2026 16:30 UTC

delvingbitcoin

  • The proposal suggests removing shachain to simplify revocation key storage.

  • Shachain creation lacks an efficient method for multi-signer endpoints.

  • This limitation threatens multisignature security by easing potential financial losses.

Major BIP 360 Update

21 replies

By cryptoquick

Involving sipa, ajtowns+8 others

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Original post on December 19, 2025 20:46 UTC

cyclic icon

Last reply on February 13, 2026 23:02 UTC

delvingbitcoin

  • Naming the concept "Script Tree" could lead to future complications.

  • Sipa's influence in bitcoin governance can sway terminological changes.

  • The popularity of Simplicity could make the term "Script Tree" ambiguous.

Gossip Observer: New project to monitor the Lightning P2P network

20 replies

By fabian.kraus

Involving jonhbit, rustyrussell+3 others

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Original post on November 14, 2025 20:48 UTC

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Last reply on February 9, 2026 12:49 UTC

delvingbitcoin

  • The enhancement of the Lightning Network's gossip protocol has sparked broad community engagement.

  • A new tool developed for the Summer-of-Bitcoin 2025 event monitors Lightning Network communications.

  • Research on this tool revealed insights into message delay, network visibility, and peer interaction dynamics.

SHRINCS: 324-byte stateful post-quantum signatures with static backups

17 replies

By EthanHeilman

Involving jonasnick, conduition+3 others

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Original post on December 11, 2025 08:40 UTC

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Last reply on February 12, 2026 14:17 UTC

delvingbitcoin

  • Implementing SHRINCS with CAT integrates covenants, enhancing security and cost efficiency in CoinSwaps.

  • This approach prevents state confusion leakage, safeguarding transaction integrity and privacy.

  • Despite higher costs, the security and privacy benefits are significant for users prioritizing protection.

Would OP_SUCCESS (OP_CAT) be spent?

15 replies

By murch

Involving Nuh, AntoineP+2 others

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Original post on February 3, 2026 19:41 UTC

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Last reply on February 13, 2026 20:17 UTC

delvingbitcoin

  • The discussion highlights the feasibility of a soft fork with a strategic approach.

  • The current absence of a proposal doesn't mean it's impossible in the future.

  • It suggests optimism for change through a soft fork, given appealing strategies are developed.

Stealth addresses using nostr

15 replies

By setavenger

Involving 1440000bytes, AdamISZ+1 other

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Original post on July 9, 2025 17:13 UTC

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Last reply on February 15, 2026 19:22 UTC

delvingbitcoin

  • Recent AI advancements improve healthcare, finance, and transportation through efficiency and safety.

  • Beginner programmers should learn Python or JavaScript, utilizing projects and platforms like GitHub.

  • An upcoming tech conference will feature keynotes and workshops on cybersecurity and blockchain technology.

What is the importance of running a node?

13 replies

By AdamISZ

Involving ftw2100, cmp_ancp+3 others

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Original post on October 23, 2025 19:06 UTC

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Last reply on February 12, 2026 13:22 UTC

delvingbitcoin

  • Running a node verifies Bitcoin authenticity without third-party attestations.

  • The 2017 Bitcoin Cash split highlighted the value of node ownership for user clarity.

  • It enhances privacy in transactions and balance queries, offering significant secondary benefits.

Propagation Delay and Mining Centralization: Modeling Stale Rates

8 replies

By 0xbrito

Involving AntoineP, 0xB10C+3 others

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Original post on November 17, 2025 14:18 UTC

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Last reply on February 13, 2026 04:30 UTC

delvingbitcoin

  • Clean code is essential for ease of understanding, maintenance, and future modifications.

  • Version control, especially with Git, is critical for managing code changes and collaboration.

  • Continuous learning and adoption of new technologies are vital for staying relevant in software development.

Bithoven: A Formally Verified, Imperative Smart Contract Language for Bitcoin

8 replies

By ChrisCho-H

Involving ftw2100, GaloisField2718+1 other

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Original post on January 6, 2026 18:23 UTC

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Last reply on February 13, 2026 01:58 UTC

delvingbitcoin

  • Bithoven is a versatile language designed for Bitcoin Script, not limited to covenants.

  • Its goal is to provide developers flexibility without sacrificing consensus compatibility.

  • Future plans include integrating covenants, indicating readiness for Bitcoin network evolutions.

A quantum resistance script only using op_ctv/op_txhash and no new signatures

5 replies

By simul

Involving reardencode

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Original post on December 18, 2025 23:27 UTC

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Last reply on February 20, 2026 18:54 UTC

delvingbitcoin

  • The new SegWit version focuses on when a key spend is allowed.

  • It proposes key spends be permitted either without or only with a script tree.

  • This update aims to enhance blockchain compatibility and security for developers.

Silent Payments notifications via Nostr

4 replies

By setavenger

Involving RubenSomsen

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Original post on January 15, 2026 23:09 UTC

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Last reply on February 14, 2026 15:45 UTC

delvingbitcoin

  • Taproot outputs may streamline transaction verification but pose challenges in search efficiency.

  • Trust between parties can simplify data fetching, yet necessitates validation for output integrity.

  • Discusses designing protocols balancing DoS resistance, message validation, and the role of Web of Trust.

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