Bitcoin TLDR

#124

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Summary

Jun 15 - Jun 21, 2026

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Recent discussions in the Bitcoin development community have focused on enhancing P2TR transactions by introducing data-carrying annexes to serve as authenticated payloads within accountable computing contracts, particularly for supervising AI agents. This innovation aims to ensure computational verifiability and accuracy in AI responses, addressing the principal-agent problem by potentially making AI errors economically penalizable using Bitcoin’s blockchain (Source URL).

In parallel, significant advancements have been made regarding Bitcoin's protocol, particularly in handling unstructured data within taproot annexes. A consensus on documenting a specific format 0x50 0x00 for such data aims to preserve the integrity of future transactions and prevent conflicts with future soft forks, thereby enhancing the reliability and future scalability of the Bitcoin network (Delving Bitcoin on defining unstructured data).

Additionally, the introduction of Fountain Codes represents a transformative approach to reducing blockchain storage costs by enabling nodes to reconstruct the entire blockchain from encoded segments. This method promises significant improvements in storage efficiency and network scalability, indicating a broader trend towards optimizing blockchain infrastructure for better performance and reduced resource demands (Read more about Fountain Codes).

Active Discussions

Prohibit Merkle Internal Node Preimages That Encode Minimal 64-Byte Transactions

15 replies

By Antoine Poinsot

Involving jeremy, Antoine Riard+3 others

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Original post on June 1, 2026 17:46 UTC

cyclic icon

Last reply on June 16, 2026 20:42 UTC

bitcoin-dev

  • SPV protocol design concerns include vulnerability from fake connector outputs by miners.

  • Proposals suggest invalidating 64-byte transactions to secure blockchain without altering SPV verifiers.

  • Discussions emphasize trade-offs between security enhancements and increased system complexity.

Aligning privacy incentives in P2MR

13 replies

By Pieter Wuille

Involving conduition, Anthony Towns+3 others

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Original post on June 3, 2026 23:12 UTC

cyclic icon

Last reply on June 13, 2026 15:33 UTC

bitcoin-dev

  • The email explains disabling forks for Bitcoin and their timing related to quantum day.

  • It discusses strategic implications of "Later" output types like P2TRv2 for Quantum Post-Quantum migration.

  • It highlights the necessity for coordinated Bitcoin community actions against quantum threats.

Proposal discussion: BIP39 native-language display wordlists

5 replies

By conduition

Involving Daniel Osemberg

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Original post on June 8, 2026 14:24 UTC

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Last reply on June 17, 2026 14:06 UTC

bitcoin-dev

  • Users often struggle with unlabelled seed phrases in cryptocurrency wallets.

  • Proposed adjustments include encoding changes and increasing wordlist size for clearer differentiation.

  • Strategies aim to improve security and aid users in correct seed phrase identification.

[BIP Proposal] Removal of BIP 125 RBF signalling in wallet transactions

5 replies

By rkrux

Involving SomberNight, Murch+1 other

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Original post on June 11, 2026 05:43 UTC

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Last reply on June 16, 2026 14:33 UTC

bitcoin-dev

  • The closure of a specific pull request was based on contributor feedback.

  • Discussions occur on a platform for Bitcoin development, highlighting community involvement.

  • Updates and discussions are disseminated through the "Bitcoin Development Mailing List."

Public key recovery for EC leaves in P2MR (BIP-360)

20 replies

By ajtowns

Involving sipa, conduition+3 others

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Original post on June 6, 2026 22:00 UTC

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Last reply on June 19, 2026 01:04 UTC

delvingbitcoin

  • The new cryptographic method modifies taproot, introducing "P2TRH" with a key recovery focus.

  • It enhances efficiency by reducing space for public key verification without security risks.

  • Notwithstanding, it poses security vulnerabilities especially if quantum decryption emerges.

A Bitcoin-native LLM: dataset, architecture and open questions

13 replies

By alexwaltz

Involving Tsua00021, 0xB10C+4 others

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Original post on June 2, 2026 14:11 UTC

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Last reply on June 16, 2026 12:48 UTC

delvingbitcoin

  • Larger models over 30B parameters are preferred for Bitcoin's complex scripting needs.

  • Effective datasets should index metadata like sources and dates for richer model insights.

  • Benchmarking Bitcoin models involves specific questions on consensus rules and upgrades.

Towards A K-of-N Lightning Network Node

4 replies

By ZmnSCPxj

Involving starius

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Original post on April 8, 2026 09:05 UTC

cyclic icon

Last reply on June 18, 2026 06:35 UTC

delvingbitcoin

  • A tweet sparked debate on using multiple shachains for blockchain security enhancement.

  • Strategies include a formula for determining necessary shachains and signer knowledge configurations.

  • Practical application involves integrating shachains with cryptographic frameworks like FROST.

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