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Read the most recent individual posts in chronological order.

Draft BIP: DustSweep policy-only UTXO dust compaction

By UTC | newest]

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Original post on December 11, 2025 12:53 UTC

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Last reply on December 11, 2025 12:53 UTC

bitcoin-dev

The DustSweep proposal, crafted by Defenwycke, targets the specific issue of long-term accumulation of uneconomical dust in the UTXO set. It outlines a precise and non-exploitable category of transactions designed for nodes to relay and miners to include, but only during times of low mempool and block space utilization.

Feedback on a simple 2-path vault design (2-of-2 + CLTV recovery) and use of pruned nodes for UTXO retrieval

1 reply

By Antoine Poinsot'

Involving Feedback on a simple 2-path vault design (2-of-2 CLTV recovery) and use of pruned nodes for UTXO retrieval victor perez

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Original post on December 11, 2025 11:30 UTC

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Last reply on December 11, 2025 14:14 UTC

bitcoin-dev

Victor's inquiry touches upon the development of a non-custodial vault system employing a dual spending path mechanism for enhanced security and inheritance or emergency purposes. The system architecture includes a normal spending path, necessitating a 2-of-2 multisig (requiring both key A and key B) for immediate transactions, and a recovery path which allows key B alone to execute transactions after a certain block height, utilizing a CheckLockTimeVerify (CLTV) operation for time-delayed access.

CTV activation meeting on IRC - Thursday 18 December 17:00 UTC

By UTC | newest]

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Original post on December 9, 2025 22:08 UTC

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Last reply on December 9, 2025 22:08 UTC

bitcoin-dev

Next week, a meeting will be organized to deliberate on the activation parameters for BIP 119. Participants are encouraged to familiarize themselves with the related pull requests, various activation methods, and previous meeting logs to contribute effectively to the discussion.

Request for early peer review of two BIP drafts (BUDS and segOP)

By UTC | newest]

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Original post on December 8, 2025 21:52 UTC

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Last reply on December 8, 2025 21:52 UTC

bitcoin-dev

The email discusses two Bitcoin Improvement Proposals (BIPs) published by the sender for peer review. The first proposal, named BUDS (Bitcoin Unified Data Standard), is an informational proposal that aims to establish a neutral, non-consensus taxonomy for describing transaction data within the Bitcoin network.

[Discussion] Year 2106 Timestamp Overflow - Proposal for uint64 Migration

By UTC | newest]

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Original post on December 8, 2025 18:43 UTC

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Last reply on December 8, 2025 18:43 UTC

bitcoin-dev

The challenge faced by the Bitcoin network is centered around its current timestamp mechanism, which utilizes a 32-bit unsigned integer to store Unix time. This system caps at approximately 4.294 billion seconds since January 1, 1970, setting an overflow date of February 7, 2106.

Hash-Based Signatures for Bitcoin's Post-Quantum Future

10 replies

By Jonas Nick

Involving Olaoluwa Osuntokun, conduition'+4 others

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Original post on December 8, 2025 20:28 UTC

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Last reply on December 10, 2025 00:53 UTC

bitcoin-dev

The discourse on integrating post-quantum cryptographic solutions into Bitcoin's framework has brought forward several key points of consideration and technical insights. Central to these discussions is the potential application of hash-based signature schemes, notably SPHINCS+, which rely on the well-established security foundations of hash functions such as SHA-256.

A safe way to remove objectionable content from the blockchain (now on GitHub)

By UTC | newest]

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Original post on December 6, 2025 06:41 UTC

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Last reply on December 6, 2025 06:41 UTC

bitcoin-dev

The primary focus of the ongoing project is to develop a method for removing objectionable content from the blockchain, adhering to a set of meticulously defined design goals. These goals ensure that the removal process remains optional, ensuring that each node can decide independently whether to engage in the removal of content.

Reducing RAM requirements with dynamic dust

3 replies

By Eric Voskuil

Involving Erik Aronesty, Reducing RAM requirements with dynamic dust 'uuowwpevskfcordh'

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Original post on December 6, 2025 16:08 UTC

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Last reply on December 10, 2025 20:44 UTC

bitcoin-dev

The proposal to manage Bitcoin's Unspent Transaction Outputs (UTXO) set growth involves an innovative approach modeled after Proportional-Integral-Derivative (PID) control systems. This method aims to address the scalability and decentralization concerns posed by the unbounded accumulation of UTXOs, which increases RAM requirements for nodes and could lead to centralization.

Splitting more block, addr and tx classes of network traffic

1 reply

By defenwycke

Involving UTC | newest]

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Original post on December 4, 2025 22:33 UTC

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Last reply on December 4, 2025 22:33 UTC

bitcoin-dev

The evolution of the Bitcoin network's management of traffic and the potential for further improvements in how different types of network messages are segregated has been a topic of discussion among developers. Initially, Bitcoin Core connections did not distinguish between types of network traffic, such as block, transaction, and address messages, which were all relayed over a single network link.

[BIP Proposal] Add sp() output descriptor format for BIP352

2 replies

By Craig Raw

Involving Oghenovo Usiwoma, [BIP Proposal] Add sp() output descriptor format for BIP352 Craig Raw

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Original post on December 4, 2025 06:45 UTC

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Last reply on December 4, 2025 11:02 UTC

bitcoin-dev

The discussion revolves around the proposal for a new Bitcoin Improvement Proposal (BIP) that introduces a silent payments output descriptor format to enhance wallet interoperability and backup/recovery capabilities. This proposal outlines the creation of a top-level script expression named sp(), designed to facilitate silent payments by combining key material with sender input public keys.

Re: SLH-DSA (SPHINCS) Performance Optimization Techniques

By UTC | newest]

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Original post on November 28, 2025 15:39 UTC

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Last reply on November 28, 2025 15:39 UTC

bitcoin-dev

In the latest exchange on the Bitcoin Development Mailing List, a significant conversation unfolded regarding the utilization of SIMD (Single Instruction, Multiple Data) in cryptographic processes. It was highlighted that employing SIMD can lead to remarkable performance improvements, outpacing SHA-NI significantly.

Q-Lock: Quantum-Resistant Spending via ECDSA + Hash-Based Secrets

By UTC | newest]

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Original post on November 28, 2025 15:00 UTC

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Last reply on November 28, 2025 15:00 UTC

bitcoin-dev

The proposed Q-Lock: Quantum-Resistant Spending Protocol introduces a novel approach to securing Bitcoin against quantum attacks without altering the existing ECDSA cryptographic foundation. This protocol integrates a hash-based secret layer atop ECDSA, employing SHA256 and Merkle trees, which are already proven cryptographic methods.

op_ctv still has no technical objections

2 replies

By /dev /fd0

Involving conduition', UTC | newest]

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Original post on November 27, 2025 07:43 UTC

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Last reply on November 28, 2025 02:04 UTC

bitcoin-dev

The discussions within the Bitcoin development community have recently centered on the cautious and moderated approach towards implementing new covenants, with a specific focus on the opcode known as OP_CTV (OP_CheckTemplateVerify). This opcode is favored for its non-recursive nature and limitations that prevent its use in potentially unsafe operations, making it an ideal candidate for initial adoption.

Announcing Penlock v1: Paper-Based Secret Splitting for BIP39 Seed Phrases

By UTC | newest]

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Original post on November 20, 2025 09:04 UTC

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Last reply on November 20, 2025 09:04 UTC

bitcoin-dev

The public release of Penlock marks a significant milestone in the domain of cryptographic security, particularly for individuals keen on securely managing their digital assets. Penlock is a novel tool designed to facilitate the mechanical splitting of a 12-word seed phrase into a 2-of-3 backup format.

Re: AI-assisted drafts and disclosure

1 reply

By Oghenovo Usiwoma

Involving UTC | newest]

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Original post on November 20, 2025 12:16 UTC

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Last reply on November 20, 2025 12:16 UTC

bitcoin-dev

The discourse surrounding the integration of artificial intelligence (AI) into various aspects of professional workflows, as shared by Oghenovo Usiwoma and Bitcoin Mechanic, presents a multifaceted view on the evolution of work processes with AI. The discussion underlines the natural human inclination towards seeking the most efficient means to achieve objectives, which increasingly involves leveraging AI tools. This trend is notably beneficial for a range of tasks including summarizing extensive discussions, prioritizing issues, identifying duplicate proposals, and spotting clear errors in coding practices.

A safe way to remove objectionable content from the blockchain

16 replies

By Peter Todd

Involving Boris Nagaev, waxwing/ AdamISZ+6 others

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Original post on November 20, 2025 01:57 UTC

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Last reply on December 9, 2025 19:32 UTC

bitcoin-dev

The discussion delves into the challenges and implications of integrating Zero-Knowledge Proofs (ZKPs) within Bitcoin's infrastructure, particularly concerning the management of objectionable content on the blockchain and the security of Hash Time-Locked Contracts (HTLCs). The core argument revolves around the innovative yet potentially exploitative nature of ZKPs in the context of Bitcoin, drawing parallels to the hypothetical threat posed by quantum computing to cryptographic security.

[BIP Proposal] Standardization of On-Chain Identity Publication

By UTC | newest]

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Original post on November 19, 2025 11:54 UTC

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Last reply on November 19, 2025 11:54 UTC

bitcoin-dev

The draft Bitcoin Improvement Proposal submitted for discussion aims at the standardization of on-chain identity publication. It introduces a specification that includes canonical CBOR payloads and employs Poseidon-based nullifier_hash domain separation with identifiers v0iden and v0corp.

New bitcoin backbone code release + Tx relay v2 update

By UTC | newest]

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Original post on November 19, 2025 00:01 UTC

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Last reply on November 19, 2025 00:01 UTC

bitcoin-dev

The recent update on the Bitcoin backbone, as detailed in the communication, brings to the forefront several significant enhancements and developments aimed at refining the overall functionality and security of Bitcoin transactions. The primary focus has been on the re-implementation of BIP324, alongside efforts to eradicate bugs, introduce a simplified transaction relay stack, implement a mempool buffer, and lay foundational work for address management.

Improve Bitcoin’s resilience to large-scale power grid failures and Carrington-type solar storms

1 reply

By Edil Guimarães de Medeiros

Involving UTC | newest]

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Original post on November 16, 2025 22:54 UTC

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Last reply on November 16, 2025 22:54 UTC

bitcoin-dev

The feature request under discussion highlights the necessity for Bitcoin to improve its resilience against major solar events, such as significant solar storms, which could disrupt Earth's electrical and communication infrastructures. These disruptions pose a real threat to the integrity of the Bitcoin network, potentially causing fragmentation into isolated regions that continue mining independently.

segOP potential BIP discussion

2 replies

By moonsettler

Involving defenwycke, segOP potential BIP discussion defenwycke

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Original post on October 29, 2025 23:40 UTC

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Last reply on November 1, 2025 12:00 UTC

bitcoin-dev

The segOP proposal, introduced by Defenwycke, aims to significantly enhance Bitcoin transactions by establishing a segregated, structured, full-fee data lane for on-chain data storage. This initiative seeks to mitigate the current inefficiencies and limitations associated with arbitrary data storage within the blockchain, specifically addressing the issue of fee market distortion caused by Segregated Witness (SegWit).

On (in)ability to embed data into Schnorr

18 replies

By waxwing/ AdamISZ

Involving Garlo Nicon, Tim Ruffing+4 others

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Original post on October 1, 2025 14:24 UTC

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Last reply on November 2, 2025 13:30 UTC

bitcoin-dev

In an extensive discourse on the potential of embedding data within Schnorr signatures, particularly under the BIP340 framework, AdamISZ offers a critical analysis that zeroes in on the inherent challenges and limitations. The principal concern revolves around whether it is feasible to embed data into Schnorr signature tuples (P, R, s) without resorting to grinding or revealing the private key, which could compromise the security of the associated UTXO set.

LNHANCE a soft-fork package

1 reply

By Brandon Black

Involving LNHANCE a soft-fork package 'moonsettler

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Original post on November 3, 2025 23:05 UTC

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Last reply on November 6, 2025 17:34 UTC

bitcoin-dev

The LNHANCE proposal introduces a series of four new opcodes to the Bitcoin blockchain aimed at enhancing its functionality, specifically targeting improvements in the Lightning Network's LN-Symmetry implementation. These opcodes include OP_CHECKTEMPLATEVERIFY (CTV), OP_CHECKSIGFROMSTACK (CSFS), OP_INTERNALKEY (IKEY), and OP_PAIRCOMMIT (PC), each with detailed documentation available on GitHub.

BIP54 implementation and test vectors

3 replies

By Antoine Riard

Involving Antoine Poinsot, 'Antoine Poinsot

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Original post on October 21, 2025 15:46 UTC

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Last reply on November 10, 2025 01:40 UTC

bitcoin-dev

Antoine Poinsot recently updated the progress on BIP54, also known as Consensus Cleanup, emphasizing its development and testing stages. A notable advancement includes the implementation against Bitcoin Inquisition version 29.1, which has been comprehensively documented.

[Pre-BIP Discussion] Bitcoin Node Repository Consensus-Policy Separation

11 replies

By Juan Aleman

Involving Antoine Riard, Antoine Poinsot+2 others

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Original post on October 31, 2025 17:54 UTC

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Last reply on October 31, 2025 18:51 UTC

bitcoin-dev

Juan Alemán initiated a discourse within the Bitcoin developer community, expressing concerns over recent changes in version 30 of the Bitcoin Core defaults that significantly diverge from historical standards, which sparked discussions about a potential network fork. Alemán suggests that reverting these defaults could prevent such drastic measures and proposes a structural adjustment to the repository to reduce political influence on policy decisions.

Benchmarking Bitcoin Script Evaluation for the Varops Budget (GSR)

2 replies

By Julian'

Involving Russell O'Connor', Julian

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Original post on November 7, 2025 15:50 UTC

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Last reply on November 10, 2025 14:46 UTC

bitcoin-dev

In an innovative step towards enhancing Bitcoin's security and efficiency, a new proposal introduces the concept of a generalized sigops budget, now termed as the varops budget. This initiative aims to preemptively allocate computational resources across all operations within the Bitcoin script execution process.

Motion to Activate BIP 3

31 replies

By Murch

Involving Melvin Carvalho, Pieter Wuille+17 others

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Original post on November 5, 2025 01:10 UTC

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Last reply on December 2, 2025 22:46 UTC

bitcoin-dev

In a recent development within the Bitcoin Improvement Proposal (BIP) process, discussions have been centered around the role of Artificial Intelligence (AI) and Large Language Models (LLMs) in drafting BIPs. A pull request has been opened by an active member, Murch, addressing several points raised during these discussions.

OP_CIV - Post-Quantum Signature Aggregation

4 replies

By conduition'

Involving adiabat, Boris Nagaev+1 other

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Original post on November 1, 2025 17:11 UTC

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Last reply on November 2, 2025 18:47 UTC

bitcoin-dev

The concept of Post-Quantum cross-input signature aggregation (CISA) represents a significant advancement in addressing the challenge of large signature sizes inherent to post-quantum cryptographic algorithms. The proposed method, OP_CIV or OP_CHECKINPUTVERIFY, is designed to be compatible with any signature type, including those based on post-quantum cryptography.

[Concept] Anticipation Pool - Off-chain scaling using miner-validated transaction forwarding

By Jakob Widmann

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Original post on October 29, 2025 10:22 UTC

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Last reply on October 29, 2025 10:22 UTC

bitcoin-dev

Jakob Widmann has proposed a novel concept aimed at addressing the scalability issues of Bitcoin, specifically targeting the limitations inherent in the Lightning Network. His approach seeks to circumvent the complications associated with watchtowers and channel-based routing by leveraging the existing mining infrastructure.

[BIP Proposal] Reduced Data Temporary Softfork

29 replies

By Greg Maxwell

Involving Bitcoin Eagle', Lucas Barbosa+16 others

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Original post on October 25, 2025 20:43 UTC

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Last reply on November 10, 2025 19:46 UTC

bitcoin-dev

The recent discussions on the Bitcoin Development Mailing List have delved into several contentious issues surrounding proposed changes to Bitcoin's consensus rules. Central to the debate is a proposal aimed at addressing the use of Bitcoin for purposes other than monetary transactions, specifically targeting the embedding of large non-monetary data within the blockchain.

Full Disclosure: Debug console history storing sensitive info in bitcoin core v24.0-v30.0

By /dev /fd0

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Original post on October 24, 2025 15:59 UTC

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Last reply on October 24, 2025 15:59 UTC

bitcoin-dev

A low-severity vulnerability has been identified affecting all versions of Bitcoin Core from v24.0 to v30.0. This issue, which concerns the potential exposure of sensitive information such as private keys and wallet passphrases through debug console history, was initially reported on GitHub and highlighted across social media platforms.

Public disclosure of 4 Bitcoin Core security advisories

By Antoine Poinsot

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Original post on October 24, 2025 15:53 UTC

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Last reply on October 24, 2025 15:53 UTC

bitcoin-dev

The Bitcoin Core team recently announced the resolution of four low-severity security vulnerabilities in version 30.0 of their software, underscoring their ongoing commitment to maintaining robust security standards. Initially, five vulnerabilities were slated for disclosure; however, one was subsequently reassessed as medium severity and its disclosure has been postponed in line with the team's security protocols.

Bitcoin Core 28.3 Released

By Ava Chow

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Original post on October 21, 2025 20:42 UTC

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Last reply on October 21, 2025 20:42 UTC

bitcoin-dev

The latest version of Bitcoin Core, 28.3, is now available for download. This can be accessed directly through the provided link or via BitTorrent with the detailed magnet link included in the original announcement.

Bitcoin Core 28.3 Release Candidate 2 Available

By Ava Chow

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Original post on October 15, 2025 14:38 UTC

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Last reply on October 15, 2025 14:38 UTC

bitcoin-dev

The recent announcement regarding Bitcoin Core's new version v28.3rc2 highlights the availability of binaries which interested parties can download from Bitcoin Core's official website. This update serves as a release candidate for a forthcoming major version release, indicating its significance in the development cycle.

Compact block relay in knots using the extra pool

By /dev /fd0

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Original post on October 14, 2025 21:52 UTC

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Last reply on October 14, 2025 21:52 UTC

bitcoin-dev

In an intriguing exploration of compact block relay within the Bitcoin network, a developer conducted tests using a specifically configured node in Knots. The configuration aimed at assessing compact block relay performance included enabling debug for compact blocks (debug=cmpctblock), setting no minimum fee filter (feefilter=0), and increasing the block reconstruction extra transaction size to 300 (blockreconstructionextratxnsize=300).

Bitcoin Knots 29.2.knots20251010 released

By Luke Dashjr

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Original post on October 11, 2025 03:38 UTC

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Last reply on October 11, 2025 03:38 UTC

bitcoin-dev

The latest release of Bitcoin Knots, version 29.2.knots20251010, is now officially available for download. This new version can be accessed through the provided link and introduces several critical bug fixes alongside the inclusion of a new Dockerfile.

Bitcoin Core 30.0rc3 release candidate is available

By fanquake

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Original post on October 8, 2025 09:28 UTC

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Last reply on October 8, 2025 09:28 UTC

bitcoin-dev

The latest release candidate for Bitcoin Core, version v30.0rc3, is now accessible for both testing and review. Interested individuals can download the binaries from Bitcoin Core's official website, while the source code is available under a signed tag at the project's GitHub repository.

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