Bitcoin TLDR

#130

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Summary

Jul 27 - Jul 30, 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

The staletip proposal aims to enhance the monitoring of stale block rates in the Bitcoin network by introducing a peer-to-peer messaging system that allows nodes to share information about stale tips. This initiative leverages AJ Towns' foundational work and includes a proof-of-concept developed by pseudoramdom and w0xlt, designed to address issues in block propagation delays and improve network diagnostics. The developers have provided technical specifications and encourage feedback to refine the system further. More details on this proposal and the proof-of-concept can be found in the Draft BIP and Proof-of-concept.

In another development, the Blockchain Commons is hosting a Gordian Developers Meeting to discuss advanced Bitcoin security techniques, featuring presentations by Shannon Appelcline and Stan Reeves. The session will cover the integration of Bitcoin Core within the broader ecosystem, focusing on exporting descriptors, managing BIP-39 secrets, and the secure setup of multisig transactions using the Keylay protocol. Participants can join the meeting via Zoom to explore these security enhancements.

Discussions on enhancing Bitcoin's resilience against quantum threats have introduced the P2TRv2 output type for emergency post-quantum cryptography readiness and a dual strategy for a more comprehensive migration to P2MR-based outputs. These strategies aim to balance ease of adoption with robust long-term security solutions, addressing potential quantum computing threats without waiting for definitive quantum milestones. The ongoing debate also explores the timing and mechanisms for disabling ECC in response to these quantum advances, highlighting various community-driven approaches to decision-making. Further insights into this discussion can be found here.

Active Discussions

BIP draft: CISA for Taproot Key Path Spends

6 replies

By Fabian

Involving waxwing/ AdamISZ, conduition

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Original post on July 18, 2026 12:39 UTC

cyclic icon

Last reply on July 31, 2026 14:15 UTC

bitcoin-dev

  • Waxwing's proposal adds complexity to coordination in Bitcoin transaction protocols.

  • The alternative aggregation method offers a theoretical savings of 3.4% per group.

  • Concerns include potential fingerprinting risks and the unclear real-world utility of new features.

[BIP Draft] Segregated Data: a prunable, script-isolated block region for data carriage

42 replies

By MrHash

Involving murch, AntoineP+5 others

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Original post on June 23, 2026 16:40 UTC

cyclic icon

Last reply on July 30, 2026 21:52 UTC

delvingbitcoin

  • Recent updates to Bitcoin Improvement Proposals have seen significant revisions.

  • The updated BIPs are now open for further review and collaborative input.

  • These changes aim to enhance functionality and address community concerns.

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

30 replies

By jeanpablojp

Involving EthanHeilman, sipa+8 others

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Original post on July 7, 2025 16:01 UTC

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Last reply on July 28, 2026 21:43 UTC

delvingbitcoin

  • BIP 360 on Bitcoin Core regtest showed robust functionality and identified two critical bugs.

  • Proposed fixes and amendments for these bugs were submitted, enhancing protocol reliability.

  • Observations suggest a need for expanded testing vectors to improve consensus spend path testing.

P2share: how to turn any network (or testnet!) into a bitcoin miner

26 replies

By VzxPLnHqr

Involving cmp_ancp, ZmnSCPxj+4 others

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Original post on November 7, 2025 01:06 UTC

cyclic icon

Last reply on July 28, 2026 00:12 UTC

delvingbitcoin

  • Innovative distributed mining mechanisms facilitate major blockchain network upgrades.

  • These mechanisms may establish consensus only when controlling a majority hashrate.

  • Strategic use of such technologies can either safeguard or compromise network integrity.

Onion Message Jamming in the Lightning Network

22 replies

By brh28

Involving erickcestari, carla+9 others

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Original post on April 13, 2026 17:13 UTC

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Last reply on July 30, 2026 20:38 UTC

delvingbitcoin

  • Enhancing rate limiting in network protocols integrates a peer reputation system.

  • High-reputation peers service more transactions; low-reputation peers face rate limits.

  • The system allows evolutionary development and continuous network improvement.

Bitcoin PIPEs v2

13 replies

By ZmnSCPxj

Involving AdamISZ, nemothenoone+1 other

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Original post on February 12, 2026 16:56 UTC

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Last reply on July 27, 2026 09:37 UTC

delvingbitcoin

  • MuSig2 enables distributed cryptographic signing with shared, non-specific mailboxes.

  • Any party can compute MuSig2 sums and fund a UTXO with the result.

  • MuSig2 supports anonymous participation by broadcasting key lists and UTXO references.

Spanning-forest cluster linearization

13 replies

By sipa

Involving blockchainhao, gmaxwell+1 other

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Original post on February 5, 2025 01:08 UTC

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Last reply on July 28, 2026 03:22 UTC

delvingbitcoin

  • The paper explores advanced computational methods in scientific problem-solving.

  • It addresses data management challenges in large-scale simulations, suggesting innovative solutions.

  • Full details are found in the complete paper available at arXiv.

BIP110 Monitor & Simulator

4 replies

By orangesurf

Involving 0xB10C, AntoineP

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Original post on July 27, 2026 08:21 UTC

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Last reply on July 28, 2026 13:16 UTC

delvingbitcoin

  • The BIP110 situation monitor offers live tracking of miner signaling and fork dynamics.

  • BIP110 might not reach the 55% miner signal needed, risking a potential chain fork.

  • BIP110 enforces data field size limits for a year, with concerns about enforcement viability.

Transaction rate-limiting

3 replies

By 0xB10C

Involving AntoineP, ajtowns+1 other

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Original post on July 27, 2026 07:59 UTC

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Last reply on July 29, 2026 18:30 UTC

delvingbitcoin

  • The email discusses the use of a peer-observer dashboard for monitoring node activities.

  • It details an operational strategy involving a 31.x node and multiple master/v32.0 nodes.

  • This setup aims to facilitate comparisons and enhance future monitoring effectiveness.

K-of-N threshhold key generation scheme by limited shared secrets

2 replies

By ZmnSCPxj

Involving nkohen

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Original post on June 20, 2026 06:52 UTC

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Last reply on July 27, 2026 09:08 UTC

delvingbitcoin

  • Cryptocurrency security evolves with advances like MuSig2 in Lightning Network's Taproot.

  • Enhanced flexibility in cryptography is achieved through complex k-of-n configurations.

  • Future development may integrate novel nonce generation methods after rigorous proofs.

Onion Messaging DoS Threat Mitigations

2 replies

By brh28

Involving MattCorallo, gijswijs

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Original post on August 7, 2024 06:47 UTC

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Last reply on July 30, 2026 17:39 UTC

delvingbitcoin

  • Implementing a hop-limit could enhance network efficiency by prioritizing capable nodes.

  • Integration of new protocols marks a significant shift in node communication structures.

  • Comparative analysis of node support for emerging features will yield crucial insights.

SuperScalar: an implementation report

1 reply

By ZmnSCPxj

Involving 8144225309

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Original post on July 13, 2026 07:21 UTC

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Last reply on July 27, 2026 09:10 UTC

delvingbitcoin

  • The email appreciates interest in a new Language Server Protocol scheme.

  • It urges LSP operators to adopt and implement this scheme in their software.

  • The goal is wide integration into LSP and client software for practical use.

Bitcoin Inquisition 29.4

1 reply

By ajtowns

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Original post on July 22, 2026 23:16 UTC

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Last reply on July 27, 2026 03:14 UTC

delvingbitcoin

  • Templatehash is active with type "heretical" and uses BIN-2026-0001-000 identifier.

  • It began operation at Unix timestamp 1767225600, expires at 2082758400.

  • No signals are active; maintenance or future updates may be needed for stability.

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