Bitcoin TLDR

#88

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Summary

Jul 28 - Aug 3, 2025

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

Calvin Kim, alongside Tadge Dryja and Davidson Souza, proposed three Bitcoin Improvement Proposals (BIPs) focusing on Utreexo, aimed at enhancing Bitcoin's efficiency and scalability by enabling transactions verification without the entire Unspent Transaction Output (UTXO) set. The BIPs, still in the conceptual phase, are available for community feedback on GitHub, highlighting the collaborative effort toward improving Bitcoin's infrastructure and potentially lowering barriers to operating full nodes.

Gloria Zhao announced the release candidate for Bitcoin Core version v29.1rc1, a significant step in the cryptocurrency's development, available for testing with binaries from Bitcoin Core's official website and source code on GitHub. This version aims to enhance software reliability and stability, with community feedback playing a crucial role in identifying issues before the final release, emphasizing the importance of community involvement in Bitcoin's ongoing development.

Christopher Allen highlighted Blockchain Commons' integration of FROST signing with Bitcoin transactions, improving multisignature processes and resilience. A demonstration will be showcased at the Gordian meeting, accessible via a Zoom link, with a focus on addressing challenges in integrating FROST with Bitcoin's Taproot. The initiative aligns with Blockchain Commons' educational goals, extending learning to FROST and BDK technologies, and emphasizes community engagement for navigating architectural and security complexities.

In a discussion led by glozow, a proposal to lower Bitcoin Core's minimum relay feerate was outlined, motivated by observations of low-fee transactions being mined and concerns over block relay and network DoS attack prevention. The discussion on GitHub invites further insights into balancing network robustness with accessibility, reflecting ongoing efforts to adapt Bitcoin's infrastructure to evolving transaction patterns and market conditions.

Active Discussions

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

17 replies

By Sjors Provoost

Involving Antoine Poinsot, James OBeirne+9 others

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Original post on July 9, 2025 18:19 UTC

cyclic icon

Last reply on July 31, 2025 07:35 UTC

bitcoin-dev

  • James O'Beirne discussed SegWit support on the Bitcoin Development Mailing List.

  • He criticized hardware manufacturers for not adopting Schnorr signatures, affecting security.

  • O'Beirne proposed a balanced approach to innovation and supporting older SegWit versions.

Taproot is post-quantum secure when restricted to script-path spends

2 replies

By Maxim Orlovsky

Involving Ethan Heilman, Tim Ruffing

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Original post on July 23, 2025 11:03 UTC

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Last reply on August 3, 2025 17:42 UTC

bitcoin-dev

  • Maxim Orlovsky discusses quantum security flaws in taproot wallets.

  • He points out risks in script-spending paths and wallet descriptor exposure.

  • Orlovsky raises concerns about quantum miners altering transactions.

Proposal: Self-Verifiable Transaction Broadcast Log for Enhanced User Transparency

1 reply

By Murch

Involving wang wang

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Original post on June 16, 2025 09:57 UTC

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Last reply on July 29, 2025 22:55 UTC

bitcoin-dev

  • The email questions indefinitely storing unconfirmed Bitcoin transaction data.

  • It discusses the redundancy of tracking unconfirmed transactions with existing node notifications.

  • The sender recommends Bitcoin Stack Exchange for more suitable technical discussions.

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

27 replies

By EthanHeilman

Involving sipa, stevenroose+5 others

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Original post on July 7, 2025 16:01 UTC

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Last reply on July 28, 2025 18:19 UTC

delvingbitcoin

  • Breakthroughs in cryptographic cracking could severely threaten Bitcoin's security and value.

  • Implementing P2QRH and PQ signature opcodes, along with potential forks, may protect Bitcoin.

  • Proactive adaptations and advanced security measures are crucial for Bitcoin's resilience against such threats.

Exploring Extended Relative Timelocks

20 replies

By chris

Involving pyth, stevenroose+4 others

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Original post on July 10, 2025 04:50 UTC

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Last reply on August 12, 2025 03:35 UTC

delvingbitcoin

  • The onboarding process for Liana raises questions about extending the timelock beyond 15 months.

  • Suggestions include extending timelock to 5 or 10 years to improve user experience.

  • This aims to align the platform with long-term custody and inheritance planning needs.

On the possibility of evil covenants and implications for soft fork proposals

11 replies

By ajtowns

Involving gmaxwell, CubicEarth+3 others

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Original post on May 17, 2025 21:36 UTC

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Last reply on July 29, 2025 04:02 UTC

delvingbitcoin

  • The Coinbase Vault features a two-phase security process requiring initial approval then a cancellation period.

  • BIP 345 offers an on-chain method for transaction visibility and cancellation, specific to Bitcoin.

  • The feasibility and efficiency of SMS for transaction notifications in blockchain systems are explored and questioned.

Fingerprinting nodes via addr requests

11 replies

By naiyoma

Involving danielabrozzoni, 0xB10C+2 others

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Original post on June 23, 2025 13:31 UTC

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Last reply on August 1, 2025 10:41 UTC

delvingbitcoin

  • The proposal involves setting GETADDR timestamps to 10 ± 2 days in the past.

  • Concerns include the risk of addresses being marked as 'Terrible' from synchronized timestamps.

  • This synchronization challenges maintaining network address list diversity and robustness.

Where does the 33.33% threshold for selfish mining come from?

9 replies

By ajtowns

Involving zawy, AntoineP+1 other

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Original post on June 5, 2025 20:26 UTC

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Last reply on July 29, 2025 04:29 UTC

delvingbitcoin

  • Transitioning from rewards to fees in Bitcoin mining adjusts inflation and dynamics concerns.

  • The shift towards fee-based transactions changes how block production rates influence miner revenue.

  • This evolution in mining incentives impacts blockchain operations and economic balance, as explored in 2018.

Paralel Bitcoin only for conscious living individuals

6 replies

By davidtaubmann

Involving danoprey

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Original post on July 29, 2025 02:41 UTC

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Last reply on August 1, 2025 19:50 UTC

delvingbitcoin

  • The discourse critiques how institutions and tech impact humanity, urging prioritization of human needs.

  • It proposes managing digital and financial autonomy via sub-wallets to align with life-expanding goals.

  • The narrative questions if these entities inherently serve humanity, hinting at a deeper philosophical debate.

Bitcoin Version 2 only for conscious living individuals

5 replies

By davidtaubmann

Involving PakoVM, chris+1 other

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Original post on July 26, 2025 23:45 UTC

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Last reply on July 28, 2025 13:48 UTC

delvingbitcoin

  • The longevity of altcoins, especially Worldcoin, is debated within the cryptocurrency community.

  • Intense competition, regulatory pressures, and technical challenges are key factors influencing altcoin survival.

  • Resources like forums and academic papers offer insights into altcoin challenges and Worldcoin's future prospects.

Chain Code Delegation: Private Access Control for Bitcoin Keys

2 replies

By jaonoctus

Involving jurvis, marathon-gary

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Original post on July 15, 2025 00:41 UTC

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Last reply on July 29, 2025 08:08 UTC

delvingbitcoin

  • Schnorr signatures provide elegant simplicity and robust security through clean algebraic structures.

  • Their validation process maintains integrity via a linear equation, allowing tweaks in the public key.

  • This method underscores the significance of algebra in cryptographic protocols, enhancing cybersecurity.

Post-Quantum HD-Wallets, Silent Payments, Key Aggregation, and Threshold Signatures

2 replies

By jesseposner

Involving sanket1729

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Original post on July 20, 2025 18:33 UTC

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Last reply on July 28, 2025 19:05 UTC

delvingbitcoin

  • Jesse Posner requests specific content for a detailed response.

  • He mentions the lack of information prevents generating a summary.

  • Posner offers further assistance upon receiving specific email content.

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