All Activity

Read the most recent individual posts in chronological order.

Students in engineering colleges and Bitcoin

By 1440000bytes

calendar icon

Original post on February 22, 2026 22:53 UTC

cyclic icon

Last reply on February 22, 2026 22:53 UTC

delvingbitcoin

The concern raised pertains to the quality of education in blockchain technology provided by top universities in India. It has been observed that the curriculum, specifically in the final semester of engineering degrees, includes a subject on blockchain.

How to linearize your cluster

By sipa

calendar icon

Original post on February 22, 2026 15:11 UTC

cyclic icon

Last reply on February 22, 2026 15:11 UTC

delvingbitcoin

The recent updates to Bitcoin Core demonstrate significant advancements in the project's development, showcasing the integration of Simplified Fee Logic (SFL) into its master branch. This development is marked by the merging of three pivotal pull requests (PR 32545, PR 34259, and PR 34023).

Introducing UltrafastSecp256k1: A Multi-Architecture Exploration of Secp256k1 Optimizations

1 reply

By shrec

calendar icon

Original post on February 22, 2026 12:05 UTC

cyclic icon

Last reply on February 23, 2026 00:28 UTC

delvingbitcoin

The development of UltrafastSecp256k1 represents a significant advancement in the field of Elliptic Curve Cryptography (ECC), particularly in optimizing performance across various hardware platforms. The project, which was open-sourced in early 2026, aims to leverage modern hardware features such as SHA-NI, AVX2, and ARM64 Assembly to enhance ECC performance.

Using AI tooling for code review

3 replies

By willcl-ark

Involving bytes, instagibbs+1 other

calendar icon

Original post on February 21, 2026 09:26 UTC

cyclic icon

Last reply on February 23, 2026 09:12 UTC

delvingbitcoin

The integration of artificial intelligence tools like Claude into the review process of software development projects, particularly in contexts such as the Bitcoin Core community, represents a significant stride towards enhancing efficiency and accuracy. This approach is designed to alleviate the traditional bottlenecks associated with reviewing pull requests (PRs) by automating aspects of the review process, thus complementing human reviewers' capabilities.

A Discussion on Quantum-Resistant Upgrade Paths for Bitcoin

By Noe

calendar icon

Original post on February 20, 2026 23:00 UTC

cyclic icon

Last reply on February 20, 2026 23:00 UTC

delvingbitcoin

The long-term security of Bitcoin hinges on its cryptographic foundations, which may be threatened by the advent of large-scale quantum computing. Presently, SHA-256, the hash function used by Bitcoin, holds up well against quantum attacks due to Grover's algorithm only providing a quadratic speedup, effectively halving its bit security but still remaining within acceptable limits.

Proposing a P2QRH BIP towards a quantum resistant soft fork

By Francus

calendar icon

Original post on February 19, 2026 02:44 UTC

cyclic icon

Last reply on February 19, 2026 02:44 UTC

delvingbitcoin

The discussion emphasizes the critical juncture Bitcoin has reached within mainstream finance, highlighting its need for long-term security or at least a perception of a clear path towards such security. The perspective presented suggests that the proposal might offer a solution that could quickly gain acceptance due to its potential in addressing the immediate concerns around Bitcoin's security and future stability.

Stateless VTXO Verification: Decoupling Custody from Implementa - tion-SpecificStacks

6 replies

By jgmcalpine

Involving instagibbs, ErikDeSmedt+1 other

calendar icon

Original post on February 18, 2026 20:03 UTC

cyclic icon

Last reply on February 21, 2026 16:20 UTC

delvingbitcoin

The VTXO ecosystem is undergoing significant transformations to accommodate various throughput and latency demands, leading to the emergence of the "Verification Gap." This issue arises from the unique custody model within the VTXO system, where spending authority requires both a private key and an off-chain transaction context known as the "Map." Unlike the L1 UTXO model, where transaction contexts are publicly accessible on-chain, VTXO contexts are ephemeral and maintained off-chain. This condition potentially jeopardizes user custody by tethering it to the proprietary software stacks of Ark Service Providers (ASPs), a situation termed "Implementation-Coupled Custody." To address these challenges, a Stateless VTXO Verification model, accompanied by a neutral "Audit Ingredient" schema, has been proposed to enable independent auditability, particularly enhancing security in no_std environments such as hardware wallets.

Deterministic UTXO consolidation under volatile fee regimes

By babyblueviper1

calendar icon

Original post on February 13, 2026 19:50 UTC

cyclic icon

Last reply on February 13, 2026 19:50 UTC

delvingbitcoin

The discourse delves into the nuanced considerations surrounding UTXO consolidation in the realm of cryptocurrency wallets, emphasizing not just fee optimization but also the implications on determinism and correctness during transaction construction. It highlights the dynamic nature of consolidation decisions influenced by the current fee environment, advocating for a strategic approach that takes into account time-dependent policies and compares fee rates against historical baselines.

The future of the Bitcoin Core GUI

16 replies

By janb84

Involving willclark, neonrooks+8 others

calendar icon

Original post on February 13, 2026 15:04 UTC

cyclic icon

Last reply on February 22, 2026 13:52 UTC

delvingbitcoin

The ongoing discourse within the Bitcoin Core community centers on the project's graphical user interface (GUI), specifically its potential deprecation and the broader implications for user accessibility and software development priorities. There is a recognition of the GUI's historical importance but also an acknowledgment of its minimal maintenance over recent years.

Bitcoin PIPEs v2

9 replies

By nemothenoone

Involving AdamISZ, cmp_ancp

calendar icon

Original post on February 12, 2026 16:56 UTC

cyclic icon

Last reply on February 23, 2026 14:08 UTC

delvingbitcoin

The introduction of Bitcoin PIPEs version 2 marks a significant evolution in the realm of Bitcoin transactions, offering a novel method to enforce spending conditions without altering the blockchain's consensus rules or introducing new trust mechanisms. Through the innovative use of cryptographic techniques, specifically witness encryption and Schnorr signatures, this approach permits the creation of conditional transactions directly on-chain.

Recent OP_RETURN output statistics

1 reply

By ajtowns

calendar icon

Original post on February 11, 2026 21:05 UTC

cyclic icon

Last reply on February 16, 2026 01:04 UTC

delvingbitcoin

The comprehensive analysis of blockchain transactions specifically focusing on OP_RETURN outputs between September 22, 2025, and February 11, 2026, uncovers several insightful trends and data usage patterns. During this timeframe, there were a total of 24,362,310 transactions that utilized OP_RETURN outputs, with a negligible difference noted in the count of individual OP_RETURN outputs which stood slightly higher at 24,363,011.

Hourglass V2 Update

2 replies

By theblackmarble

Involving orangesurf

calendar icon

Original post on February 10, 2026 20:54 UTC

cyclic icon

Last reply on February 10, 2026 22:17 UTC

delvingbitcoin

The Hourglass proposal, aimed at mitigating potential mass liquidation risks associated with Pay to Public Key (P2PK) funds, has been updated to include a more restrictive measure that limits the spend amount from such outputs to only one bitcoin per block. This change was proposed in response to community feedback and is detailed in the latest version available on GitHub, with prior discussions accessible through the Bitcoin development group.

The implications of this restriction are significant, considering that 1.7 million BTC held in P2PK outputs would take approximately 32 years to migrate under this new rule.

BIP 119 CTV activation client

By 1440000bytes

calendar icon

Original post on February 9, 2026 20:27 UTC

cyclic icon

Last reply on February 9, 2026 20:27 UTC

delvingbitcoin

Following the unanimous agreement on the activation parameters previously discussed, significant updates have been made to enhance accessibility and understanding regarding the deployment of CTV (BIP-119). The website now features a direct link to the activation client's repository, ensuring that interested parties can easily access the necessary tools and information for engagement.

Algorithm agility to defeat quantum and classical attacks on Bitcoin's signature algorithms

By EthanHeilman

calendar icon

Original post on February 9, 2026 19:56 UTC

cyclic icon

Last reply on February 9, 2026 19:56 UTC

delvingbitcoin

The discussion revolves around enhancing the security of Bitcoin against potential long-term threats, including both quantum and classical breaks in its signature algorithms. The proposal focuses on adding algorithm agility mechanisms to Bitcoin, allowing for an easier migration between different algorithm suites as needed.

Boomerang: Bitcoin Cold Storage with Built-In Coercion Resistance

1 reply

By bitryonix

calendar icon

Original post on February 9, 2026 05:36 UTC

cyclic icon

Last reply on February 14, 2026 12:54 UTC

delvingbitcoin

The Boomerang protocol emerges as a cutting-edge solution designed to significantly enhance security for bitcoin holders against physical coercion, such as kidnapping or threats, by complicating the process of forcibly signing transactions. This system introduces a unique duress mechanism that allows users to discreetly signal distress during coercive situations without tipping off the attacker, thereby marrying advanced security measures with user safety protocols.

Boomerang: Bitcoin Cold Storage with Built-In Duress Protection

By bitryonix

calendar icon

Original post on February 8, 2026 22:27 UTC

cyclic icon

Last reply on February 8, 2026 22:27 UTC

delvingbitcoin

Boomerang introduces a novel Bitcoin cold storage protocol aimed at enhancing physical security and resistance to coercion for individuals holding significant Bitcoin assets. This protocol integrates protocol-level duress protection directly into the custody process, making withdrawals intentionally unpredictable.

Bitcoin Inqusition 29.2

By ajtowns

calendar icon

Original post on February 7, 2026 13:49 UTC

cyclic icon

Last reply on February 7, 2026 13:49 UTC

delvingbitcoin

The latest release of Bitcoin Inquisition, version 29.2, is now available for download at GitHub. This version builds upon Bitcoin Core 29.3rc2 and introduces support for several proposed consensus changes aimed at enhancing the protocol's functionality and security.

A max-plus perspective on package relay and block assembly

2 replies

By GaloisField2718

Involving gmaxwell, GaloisField

calendar icon

Original post on February 6, 2026 22:57 UTC

cyclic icon

Last reply on February 7, 2026 20:53 UTC

delvingbitcoin

The discussion focuses on the complex dynamics within Bitcoin's operation, particularly concerning how package relay, Child Pays for Parent (CPFP), ancestor limits, and block assembly interact to impact transaction inclusion and block utilization. A conceptual framework is proposed to shed light on the economic incentives and marginal trade-offs that guide miners in constructing blocks.

Lehar / Parlour Paper

5 replies

By micah541

Involving AntoineP, micah+1 other

calendar icon

Original post on February 3, 2026 23:19 UTC

cyclic icon

Last reply on February 5, 2026 17:55 UTC

delvingbitcoin

The academic paper titled "Market Power and the Bitcoin Protocol" challenges the conventional wisdom surrounding Bitcoin miners' behavior by suggesting that miners may intentionally forgo potential transaction fees in the short term as part of a strategic decision to influence average transaction fees over time. This perspective introduces the notion that miners engage in complex economic interactions within the Bitcoin network, potentially sacrificing immediate gains for higher future returns.

Would OP_SUCCESS (OP_CAT) be spent?

15 replies

By Nuh

Involving murch, bytes+2 others

calendar icon

Original post on February 3, 2026 19:41 UTC

cyclic icon

Last reply on February 13, 2026 20:17 UTC

delvingbitcoin

The exploration of cryptocurrency transactions, specifically within the context of blockchain technology, reveals a detailed scrutiny of a particular transaction's execution and validation processes. This transaction navigates through the Mara slipstream network, emphasizing the critical role of encoded instructions and the precision required in their formulation.

BLISK: Boolean circuit Logic Integrated into the Single Key

14 replies

By olkurbatov

Involving juja, nkohen+2 others

calendar icon

Original post on January 26, 2026 23:23 UTC

cyclic icon

Last reply on February 16, 2026 20:53 UTC

delvingbitcoin

The recent development in Bitcoin's authorization policies has introduced a novel method for encoding complex Boolean logic into transaction validations. This approach aims to overcome the limitations of traditional mechanisms like threshold/multisignatures and script-based methods by incorporating more nuanced control over Bitcoin spending permissions.

Disposing of "dust attack" UTXOs

18 replies

By harris

Involving bubbes, gmaxwell+6 others

calendar icon

Original post on January 25, 2026 17:20 UTC

cyclic icon

Last reply on February 20, 2026 05:54 UTC

delvingbitcoin

The phenomenon of "dust attacks" on cryptocurrency wallets poses a significant challenge within the blockchain community. These attacks involve sending tiny amounts of cryptocurrency to various addresses with the intent to compromise user privacy by linking these transactions.

Bitcoin as Digital Latin: Asymptotic Ossification and the End of Semantic Drift

1 reply

By ZmnSCPxj

Involving brandenwithane

calendar icon

Original post on January 25, 2026 05:18 UTC

cyclic icon

Last reply on February 3, 2026 11:18 UTC

delvingbitcoin

The concept of "Digital Latin" analogizes the Bitcoin Layer 1 protocol to Latin, emphasizing its need to become a fixed, immutable foundation resistant to changes. This comparison is drawn from the characteristic stability of dead languages, which, unlike living languages, do not undergo semantic drift.

Argo: a garbled-circuits scheme for 1000x more efficient off-chain computation

By RobinLinus

calendar icon

Original post on January 22, 2026 02:12 UTC

cyclic icon

Last reply on January 22, 2026 02:12 UTC

delvingbitcoin

The exploration of off-chain cryptography has led to more advanced and expressive smart contracts within the Bitcoin ecosystem. Innovations such as BitVM have introduced the use of SNARKs (Succinct Non-Interactive Arguments of Knowledge) to facilitate the proof of arbitrary computation, alongside garbled circuits which allow for the verification of these proofs to be efficiently moved off-chain.

Programming Lightning: An Introduction to Payment Channels

By beige-coffee

calendar icon

Original post on January 21, 2026 20:43 UTC

cyclic icon

Last reply on January 21, 2026 20:43 UTC

delvingbitcoin

Programming Lightning is an educational initiative aimed at providing developers and technically inclined individuals with a hands-on understanding of the Lightning network. This project, supported by grants from Spiral and HRF, draws inspiration from "Programming Bitcoin" and strives to teach the inner workings of Lightning through practical coding exercises.

OP_CAT and Bitcoin’s Path to Quantum Resistance

2 replies

By jsarenik

Involving sCryptts

calendar icon

Original post on January 20, 2026 09:14 UTC

cyclic icon

Last reply on January 30, 2026 11:21 UTC

delvingbitcoin

The security foundation of Bitcoin is significantly anchored in its use of elliptic curve cryptography. This cryptographic technique ensures the generation of Bitcoin signatures with private keys while safeguarding against the reverse engineering of these private keys from public keys, a task deemed nearly impossible with conventional computing power.

BIP352: PSBT support

By nymius

calendar icon

Original post on January 16, 2026 13:40 UTC

cyclic icon

Last reply on January 16, 2026 13:40 UTC

delvingbitcoin

The ongoing development of a Bitcoin Improvement Proposal (BIP) focuses on introducing changes to enhance spending silent payment outputs. This effort is documented through a GitHub gist and a mailing list post, both of which provide comprehensive details about the proposed modifications.

A Mathematical Theory of Payment Channel Networks

1 reply

By anon

Involving renepickhardt

calendar icon

Original post on January 16, 2026 00:54 UTC

cyclic icon

Last reply on January 16, 2026 14:45 UTC

delvingbitcoin

A recent scholarly paper published on arXiv provides a comprehensive geometric framework aimed at understanding several phenomena observed in payment channel networks, with a particular focus on the Lightning Network. This study revisits well-known challenges such as channel depletion and capital inefficiency in two-party channels while introducing a unified structural explanation that encompasses these issues.

Silent Payments notifications via Nostr

4 replies

By setavenger

Involving RubenSomsen

calendar icon

Original post on January 15, 2026 23:09 UTC

cyclic icon

Last reply on February 14, 2026 15:45 UTC

delvingbitcoin

The conversation delves into the challenges and strategies of enhancing transaction verification within blockchain frameworks, particularly focusing on Silent Payments and their integration with Nostr for notifications. It outlines a proposed method to notify recipients about incoming transactions using stealth addresses, emphasizing the importance of including crucial data such as the transaction ID (txid), tweak, and an optional confirming blockhash or height.

Hornet UTXO(1): A custom, constant-time, highly parallel UTXO database

8 replies

By tobysharp

Involving stickies-v, optout+2 others

calendar icon

Original post on January 11, 2026 21:25 UTC

cyclic icon

Last reply on January 28, 2026 18:08 UTC

delvingbitcoin

The Hornet UTXO(1) database represents a significant leap forward in Bitcoin client technology, specifically designed to enhance consensus validation efficiency. Developed as part of the experimental Hornet Node project, this new database is built from the ground up using modern C++ for maximum parallelism, achieving remarkable improvements in throughput for Bitcoin consensus validation processes.

A simple backup scheme for wallet accounts

By pyth

calendar icon

Original post on January 10, 2026 08:18 UTC

cyclic icon

Last reply on January 10, 2026 08:18 UTC

delvingbitcoin

The discussion revolves around a proposed change in the default encryption algorithm from AES-GCM to CHACHA20. The suggestion emphasizes the significance of integrating this change into the core, highlighting the advantage of not needing to introduce new dependencies solely for this purpose.

Incremental mutation testing in the Bitcoin Core

By bruno

calendar icon

Original post on January 8, 2026 13:30 UTC

cyclic icon

Last reply on January 8, 2026 13:30 UTC

delvingbitcoin

Mutation testing serves as a crucial technique in software testing, aiming to evaluate the effectiveness of test suites by introducing mutants into the source code and observing if existing tests can detect these changes. In the context of Bitcoin Core, a weekly mutation testing cycle is conducted on the master branch, where mutants are generated and assessed through unit, functional, and fuzz testing.

Provable Cryptography for Bitcoin: An Introduction (Workbook)

By marathon-gary

calendar icon

Original post on January 7, 2026 15:08 UTC

cyclic icon

Last reply on January 7, 2026 15:08 UTC

delvingbitcoin

The email highlights a resource pertinent to cryptography but not exclusively centered on Bitcoin, directing attention to Joy of Cryptography. This reference serves as an additional tool for those interested in the broader field of cryptography, offering insights and information beyond the specific realm of Bitcoin.

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

8 replies

By ChrisCho-H

Involving ftw, ChrisChoH+2 others

calendar icon

Original post on January 6, 2026 18:23 UTC

cyclic icon

Last reply on February 13, 2026 01:58 UTC

delvingbitcoin

The introduction of Bithoven marks a significant advancement in the realm of smart contract languages, aiming to meld structured correctness with imperative control flow syntax reminiscent of C. This initiative is designed to enhance ease of use for developers while meeting the stringent safety requirements essential for Bitcoin Script operations. Bithoven's utilization of an LR(1) parser and static analysis techniques is intended to ensure type safety and prevent common security vulnerabilities, such as unauthorized spending without a signature.

Bitcoin Core v30.1 Released

By fanquake

calendar icon

Original post on January 2, 2026 16:08 UTC

cyclic icon

Last reply on January 2, 2026 16:08 UTC

delvingbitcoin

The latest version of Bitcoin Core, v30.1, is now available for download. This new release brings with it several new features, a range of bug fixes, and performance enhancements alongside updated translations.

Ark as a Channel Factory: Compressed Liquidity Management for Improved Payment Feasibility

7 replies

By instagibbs

Involving ErikDeSmedt, renepickhardt+2 others

calendar icon

Original post on December 31, 2025 11:42 UTC

cyclic icon

Last reply on January 6, 2026 14:16 UTC

delvingbitcoin

The discourse elaborates on the potential and challenges of scaling Bitcoin payments through the Lightning Network, particularly focusing on the network's structural limitations due to its reliance on liquidity availability. It introduces a novel solution named Ark, which aims to address these limitations by facilitating multi-party state updates and utilizing virtual UTXOs (vTXOs) managed by an Ark Service Provider (ASP).

OP_CC: A simple introspection opcode to enable cheaper consolidations

15 replies

By CubicEarth

Involving conduition, murch+6 others

calendar icon

Original post on December 30, 2025 12:53 UTC

cyclic icon

Last reply on February 7, 2026 13:48 UTC

delvingbitcoin

The introduction of OP_CHECKCONSOLIDATION (OP_CC) proposes a significant enhancement in the Bitcoin network's efficiency by optimizing consolidation transactions. This opcode streamlines the process by allowing subsequent inputs from the same scriptPubKey (SPK) to bypass individual signatures after the first input, leveraging that initial signature for validation.

A Proposal for Trustless Custody

By ynniv

calendar icon

Original post on December 22, 2025 00:28 UTC

cyclic icon

Last reply on December 22, 2025 00:28 UTC

delvingbitcoin

The person behind the proposal has introduced an innovative Layer 3 protocol aimed at addressing some of Bitcoin's significant challenges, particularly around trust and custody in transactions. They underline that despite Bitcoin's revolutionary presence in the financial world, it inherently suffers from compromises such as slow transaction speeds compared to traditional card payments, high transaction fees for small amounts, and limited functionality restrained by game theory.

Scaling Noncustodial Mining Payouts with CTV

By coinjoinkillua

calendar icon

Original post on December 20, 2025 17:48 UTC

cyclic icon

Last reply on December 20, 2025 17:48 UTC

delvingbitcoin

In the domain of cryptocurrency mining, there's a nuanced debate regarding the preferences of miners, also known as hashers, when it comes to choosing between custodial services and self-sovereignty. A common assumption prevails that most miners would opt for a custodian that charges slightly higher rewards fees in exchange for managing the complexities associated with mining.

Major BIP 360 Update

21 replies

By cmp_ancp

Involving murch, leishman+8 others

calendar icon

Original post on December 19, 2025 20:46 UTC

cyclic icon

Last reply on February 13, 2026 23:02 UTC

delvingbitcoin

The comprehensive rewrite of BIP 360, spearheaded by Ethan Heilman, Isabel Foxen Duke, and Hunter Beast, marks a significant evolution in Bitcoin's approach to enhancing security against quantum computing threats. This revision introduces "Pay-to-Tapscript-Hash (P2TSH)," a novel output type designed to omit the key path spend, thereby mitigating vulnerabilities associated with Elliptic Curve Cryptography (ECC) without incorporating post-quantum signature schemes.

Measuring minrelaytxfee across the Bitcoin network

By danielabrozzoni

calendar icon

Original post on December 18, 2025 14:31 UTC

cyclic icon

Last reply on December 18, 2025 14:31 UTC

delvingbitcoin

In a recent network crawl conducted on December 17, 2025, significant changes were observed in the acceptance of low fee filters by network nodes compared to measurements taken in September of the same year. Initially, only 2.0 percent of nodes accepted a low feefilter on September 10, which slightly increased to 3.9 percent by September 15. However, by December 17, there was a notable rise to 27.7 percent.

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

6 replies

By simul

Involving reardencode

calendar icon

Original post on December 18, 2025 23:27 UTC

cyclic icon

Last reply on February 20, 2026 18:54 UTC

delvingbitcoin

The email presents a detailed exploration of enhancing Bitcoin transactions' security against quantum attacks and signature forgery through a novel method combining OP_CHECKTEMPLATEVERIFY (OP_CTV) and OP_TXHASH/OP_CHECKTXHASHVERIFY protocols, as per BIP119 and a draft proposal. This approach entails creating a multi-phase envelope to safeguard transactions.

ZK-Statechains Without States

2 replies

By evd0kim

Involving instagibbs, evdkim

calendar icon

Original post on December 16, 2025 19:47 UTC

cyclic icon

Last reply on December 17, 2025 21:17 UTC

delvingbitcoin

The introduction of statechains to the Bitcoin ecosystem over six years ago marked a pivotal step towards enhancing user privacy and transaction efficiency. The evolution of this concept, particularly through Commerce Block's Mercury Layer and the further innovation of incorporating blinded signing, has significantly refined the way statechains function.

BMAX: pricing “sats now vs sats later” via a mining sharechain (no L1 changes, no custodians, no oracles)

8 replies

By coinjoinkillua

Involving VzxPLnHqr, optout+1 other

calendar icon

Original post on December 16, 2025 19:00 UTC

cyclic icon

Last reply on January 20, 2026 17:57 UTC

delvingbitcoin

The dialogue revolves around a series of proposed updates and critiques concerning the design and operational mechanics of a Bitcoin-related project, presumably called BMAX. The focus is on how shares within this system are managed, particularly in relation to mining difficulty and rewards distribution.

Response to Pieter Wuille's StackExchange Answer Re: Nuking the Opreturn Filter

By coinjoinkillua

calendar icon

Original post on December 15, 2025 12:53 UTC

cyclic icon

Last reply on December 15, 2025 12:53 UTC

delvingbitcoin

The discussion emphasizes the importance of maintaining neutrality and fairness in the development and implementation of protocols, particularly in relation to spam filtering. It argues against the inclusion of arbitrary filters within the core client by default, as this could potentially reinforce social stratums or subjective aspects of the protocol.

Modifying BIP54 to Support Future nTime Soft Fork

5 replies

By gmaxwell

Involving ajtowns, AntoineP+1 other

calendar icon

Original post on December 15, 2025 00:36 UTC

cyclic icon

Last reply on December 18, 2025 04:36 UTC

delvingbitcoin

The discourse on BIP54 and its implications for blockchain technology delves into the intricacies of preventing timewarp attacks while addressing future challenges, namely the nTime overflow issue. A proposed modification suggests incorporating a u64 timestamp within the coinbase transaction as a means to mitigate the timewarp attack.

Writing version 2 of my Bitcoin Game Theory book with de Gruyter, what should I cover?

1 reply

By chness

Involving micah

calendar icon

Original post on December 12, 2025 23:39 UTC

cyclic icon

Last reply on January 6, 2026 00:39 UTC

delvingbitcoin

The current initiative to update a book underscores the significance of community feedback in refining its contents. This process aims at ensuring the material's relevance and accuracy by inviting suggestions on potential improvements or corrections.

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

17 replies

By MikKud

Involving EthanHeilman, gmaxwell+3 others

calendar icon

Original post on December 11, 2025 08:40 UTC

cyclic icon

Last reply on February 12, 2026 14:17 UTC

delvingbitcoin

SHRINCS is a novel signature scheme that merges the advantages of stateful and stateless hash-based signatures, aiming to create a versatile solution for scenarios requiring a limited number of signatures from a given key. It employs an unbalanced XMSS tree for its stateful component and a variant of SPHINCS+ for stateless operations, which optimizes performance under regular conditions and ensures reliability in cases of state loss or corruption.

Bitcoin Lightning Wallets as Abstracted Accounts in EVM Protocols

By evd0kim

calendar icon

Original post on December 9, 2025 12:26 UTC

cyclic icon

Last reply on December 9, 2025 12:26 UTC

delvingbitcoin

The recent initiative by SatsBridge introduces a pioneering protocol that integrates Bitcoin's Lightning Network (LN) with Ethereum's smart contract capabilities, focusing on enhancing user experience and security in cross-chain wallet architecture. This protocol utilizes LNURL AUTH to extend its application towards managing Ethereum abstracted accounts, thus enabling Lightning wallets to serve as remote signers for these accounts without necessitating any modifications to the existing Lightning wallets.

BIP The Cat - Draft discussion

2 replies

By Claire

Involving billymcbip

calendar icon

Original post on December 9, 2025 23:52 UTC

cyclic icon

Last reply on December 15, 2025 18:22 UTC

delvingbitcoin

The proposal titled "The Cat," available on GitHub, presents a new strategy for limiting the use of Bitcoin for non-monetary purposes, specifically targeting protocols like inscriptions and Stamps-style applications. These currently account for a significant portion of the Bitcoin network's Unspent Transaction Output (UTXO) set, which is a critical element in Bitcoin's blockchain management.

Proposal: Limit ScriptPubKey length, with one exception

2 replies

By billymcbip

Involving RobHam , billymcbip

calendar icon

Original post on December 8, 2025 18:34 UTC

cyclic icon

Last reply on December 10, 2025 12:49 UTC

delvingbitcoin

A recent proposal highlights a novel approach towards managing the ScriptPubKey length in UTXO transactions within blockchain networks. The suggestion includes implementing a limit of 260 bytes on the ScriptPubKey length for new UTXOs, introducing an exception for transactions in blocks divisible by 256 without remainder.

Scheduled (Delayed) Transaction Broadcast

8 replies

By ArmchairCryptologist

Involving optout, arminsdev+2 others

calendar icon

Original post on December 8, 2025 14:46 UTC

cyclic icon

Last reply on January 28, 2026 19:32 UTC

delvingbitcoin

The discourse on integrating a scheduled transaction broadcast feature into Bitcoin Core delves into its potential to enhance user privacy and strategic transaction management. This proposed functionality allows users to set transactions for future execution, either based on a specific time or block height, addressing needs such as disguising the transaction creation time or preparing for future conditions unsuitable for current bitcoin scripts.

Disclosure: Critical vulnerabilities fixed in LND 0.19.0

5 replies

By morehouse

Involving ariard, morehouse +2 others

calendar icon

Original post on December 4, 2025 20:02 UTC

cyclic icon

Last reply on December 6, 2025 15:31 UTC

delvingbitcoin

The recent release of LND version 0.19.0 marks a significant advancement in addressing critical security vulnerabilities within the Lightning Network Daemon (LND), underscoring an ongoing effort to enhance the platform’s security posture. This update, available at LND 0.19.0, introduces essential fixes aimed at mitigating one denial of service (DoS) vulnerability and two theft of fund vulnerabilities.

Vanadium: A Virtualized Secure Enclave for Hardware Signing Devices

By salvatoshi

calendar icon

Original post on December 3, 2025 19:54 UTC

cyclic icon

Last reply on December 3, 2025 19:54 UTC

delvingbitcoin

Vanadium represents a novel approach to developing firmware applications for hardware signing devices, addressing the longstanding challenges faced in embedded development such as limited RAM and flash memory, slow iteration cycles, and the complexities of debugging. Developed as a RISC-V Virtual Machine capable of running in an embedded Secure Element, Vanadium offers a significant departure from traditional development constraints by enabling the execution of arbitrary applications, termed "V-Apps," within a secure enclave environment.

BIP352 private key formats

By craigraw

calendar icon

Original post on December 3, 2025 11:19 UTC

cyclic icon

Last reply on December 3, 2025 11:19 UTC

delvingbitcoin

The discussion centers around the proposal of a new BIP (Bitcoin Improvement Proposal) that aims to introduce an alternative output descriptor format, denoted as sp(). This initiative stems from the consideration of various ideas presented in a previously referenced PR (Pull Request).

Building a vault using blinded co-signers

2 replies

By halseth

Involving Nuh , halseth

calendar icon

Original post on December 3, 2025 12:38 UTC

cyclic icon

Last reply on December 10, 2025 14:15 UTC

delvingbitcoin

A new prototype aimed at bolstering Bitcoin security through a vault-like scheme has been introduced, integrating the concept of blinded co-signers with Musig2, a multi-signature protocol. This innovative approach emphasizes minimizing the information available to co-signers about transactions to enhance the protection of fund movements on the blockchain.

Optimistic mining tip (slow block propagation)

6 replies

By AntoineP

Involving optout, AntoineP +2 others

calendar icon

Original post on December 3, 2025 10:41 UTC

cyclic icon

Last reply on December 5, 2025 15:10 UTC

delvingbitcoin

The cryptocurrency community has been actively discussing the challenges associated with slow block propagation, particularly focusing on how it affects miners. An intriguing aspect of this discussion is the concept of optimistic mining, a method that allows miners to begin working on a new chain tip before its validation is completed.

BIP-119 (OP_CHECKT - EMPLATEVERIFY)(no activation)

By moonsettler

calendar icon

Original post on December 2, 2025 01:24 UTC

cyclic icon

Last reply on December 2, 2025 01:24 UTC

delvingbitcoin

The discussion centers on the technical complexity and implications of integrating specific primitives like OP_CSFS into blockchain technology to influence miner behavior, specifically to disincentivize the inclusion of third-party transactions. The initial assertion challenges the clarity and practical application of these combined primitives in creating effective smart contracts for this purpose.

Outgoing Reputation: Simulation Results and Updates

By ClaraShk

calendar icon

Original post on December 1, 2025 14:50 UTC

cyclic icon

Last reply on December 1, 2025 14:50 UTC

delvingbitcoin

A concern was raised regarding the potential for attackers to manipulate the reputation system in Lightning Network protocols, specifically targeting the mechanism by which reputations are calculated based on response times to payment requests. The mechanism under scrutiny allows for a 90-second window for replies; however, an attacker could exploit this by timing their responses such that they reply within the window while causing the next node in the sequence to exceed this limit due to inherent network delays.

Spanning-forest cluster linearization

11 replies

By sipa

Involving blockchainhao, gmaxwell

calendar icon

Original post on February 5, 2025 01:08 UTC

cyclic icon

Last reply on February 22, 2026 15:05 UTC

delvingbitcoin

The discussion begins with an examination of the spanning-forest cluster linearization algorithm, a novel approach aimed at enhancing the efficiency of Bitcoin Core's transaction processing. This method, despite its absence of known complexity bounds, offers elegance, speed, and practicality in prototype implementations.

Bitcoin Inquisition 25.2 released

By Anthony Towns

calendar icon

Original post on April 27, 2024 03:12 UTC

cyclic icon

Last reply on April 27, 2024 03:12 UTC

bitcoin-dev

The latest version of Bitcoin Inquisition, 25.2, is now accessible and brings with it support for several proposed consensus changes aimed at enhancing the network's functionality. These include BIP 119, known as OP_CHECKTEMPLATEVERIFY, BIP 118 titled SIGHASH_ANYPREVOUT, and BIN-2024-1, also referred to as BIP 347 or OP_CAT.

Bitcoin Core 27.0 released

By Michael Ford

calendar icon

Original post on April 17, 2024 09:29 UTC

cyclic icon

Last reply on April 17, 2024 09:29 UTC

bitcoin-dev

The release of Bitcoin Core version v27.0 marks a significant update in the Bitcoin network, incorporating new features, various bug fixes, performance improvements, and updated translations. This version is now readily accessible for download from bitcoincore.org or through BitTorrent, offering users multiple avenues to access the latest enhancements in Bitcoin Core's functionality.

Timewarp Attacks and Long-Term Timelocked Script Paths

By Antoine Riard

calendar icon

Original post on April 9, 2024 21:40 UTC

cyclic icon

Last reply on April 9, 2024 21:40 UTC

bitcoin-dev

The discussion revolves around the security and operational aspects of vaults and time-locked wallets in the context of blockchain technology. Specifically, there is a focus on the vulnerability of these systems to timewarp attacks and the different mechanisms that have been proposed over the years to safeguard digital assets.

A Free-Relay Attack Exploiting Min-Relay-Fee Differences

By Peter Todd

calendar icon

Original post on March 31, 2024 17:31 UTC

cyclic icon

Last reply on March 31, 2024 17:31 UTC

bitcoin-dev

The process of executing a free-relay attack on nodes, particularly miners with larger than default mempools, involves a series of strategic transactions designed to exploit lower-than-normal minrelayfees. The initial step in this strategy is to publish a transaction (referred to as tx A) that offers an unusually low fee-rate, deliberately set below the typical minimum relay fees.

Automating cryptanalysis of LN and mempool

By Nagaev Boris

calendar icon

Original post on March 13, 2024 23:17 UTC

cyclic icon

Last reply on March 13, 2024 23:17 UTC

lightning-dev

Last year, the discovery of the replacement cycling attack posed a significant challenge to the analysis of the mempool and Lightning Network (LN), revealing the complexity of ensuring LN's security. Despite initial optimism, proposed solutions to this problem have proved ineffective upon closer examination.

Bitcoin Core 27.0 release candidate 1 available

By fanquake

calendar icon

Original post on March 12, 2024 10:18 UTC

cyclic icon

Last reply on March 12, 2024 10:18 UTC

bitcoin-dev

The Bitcoin Core development team has announced the availability of binaries for the v27.0rc1 release candidate, which marks a significant step towards the next major version release of the Bitcoin Core software. Interested parties can download the binaries from the official website at https://bitcoincore.org/bin/bitcoin-core-27.0/test.rc1/.

Update of IPv4 address in channel_reestablish message?

1 reply

By Dan Bryant

Involving Olaoluwa Osuntokun

calendar icon

Original post on February 21, 2024 23:53 UTC

cyclic icon

Last reply on February 21, 2024 23:53 UTC

lightning-dev

In the realm of peer-to-peer connections within the Lightning Network, a noteworthy discussion centers around the protocols for maintaining connectivity, especially when nodes experience changes in their IP addresses. When a node has a public listening interface and a static IP, it should be able to reconnect with its peers after a disconnection, leveraging the node_announcement message transmitted across the gossip layer.

Scalable & Permissionless Bitcoin CA

By buffrr

calendar icon

Original post on February 21, 2024 20:11 UTC

cyclic icon

Last reply on February 21, 2024 20:11 UTC

bitcoin-dev

The project under discussion, named Spaces, aims at revolutionizing the domain of Bitcoin Certificate Authority by creating a scalable and permissionless system approximately 250KB in size. This initiative is in the developmental phase and focuses on employing a zero-knowledge light client leveraging RISC0 zkVM for protocol operations, emphasizing client-side validation.

Setting to_self_delay and cltv_expiry prior to channel opening

1 reply

By Michael Folkson

Involving Keagan McClelland

calendar icon

Original post on February 14, 2024 21:44 UTC

cyclic icon

Last reply on February 14, 2024 21:44 UTC

lightning-dev

The discussion underscores the complexities involved in negotiating configuration options for channel openings within the Lightning Network, with a particular focus on timelock settings such as to_self_delay and cltv_expiry. These configurations strike a critical balance between securing transactions against potential fraud and minimizing the undesirable effects of capital being locked up for extended periods.

Mapping Human-Readable Names to Payment Instructions

By Matt Corallo

calendar icon

Original post on February 13, 2024 19:56 UTC

cyclic icon

Last reply on February 13, 2024 19:56 UTC

bitcoin-dev

The proposed Bitcoin Improvement Proposal (BIP) suggests a standardized method for encoding Bitcoin payment instructions within DNS TXT records, utilizing the BIP 21 URI scheme. This approach aims to simplify the resolution of human-readable names to Bitcoin payment addresses across various platforms, including lightning networks, on-chain transactions, payjoin mechanisms, and silent address systems.

CheckTemplateVerify Does Not Scale Due to UTXO's Required For Fee Payment

6 replies

By Michael Folkson

Involving ZmnSCPxj, Peter Todd+1 other

calendar icon

Original post on January 30, 2024 08:40 UTC

cyclic icon

Last reply on January 30, 2024 08:40 UTC

lightning-dev

Lightning Network channels are currently designed with an understanding that the commitment transactions will pay a low fee rate by default, which can be later increased using anchor outputs and Child Pays for Parent (CPFP) methods. This design may not necessarily burden the initiator with the majority of the fee costs.

(no subject)

10 replies

By Mark Botley

Involving Nongluck Loyha, Chris Malloy+2 others

calendar icon

Original post on January 25, 2024 12:39 UTC

cyclic icon

Last reply on January 25, 2024 12:39 UTC

lightning-dev

Victor Umobi is recognized as an AI Engineer and a Master of Science candidate at Cornell University, with notable experience in the MIT Driverless Control Systems. His contact information is readily available, listed with a phone number (039)-34951-59614 and an email address, victorumobi@gmail.com.

On the scalability issues of onboarding millions of LN mobile clients

33 replies

By Antoine Riard

Involving Andrés G. Aragoneses, Luke Dashjr+12 others

calendar icon

Original post on January 25, 2024 12:24 UTC

cyclic icon

Last reply on January 25, 2024 12:24 UTC

lightning-dev

The ongoing discussions within the Bitcoin development community highlight the evolving landscape of Bitcoin's security model, particularly in the context of full nodes and light clients. A key point of debate is the implementation of BIP 157, which aims to improve privacy for light client users but has raised concerns regarding scalability and potential strain on the full node network.

Full-RBF Peering Bitcoin Core v26.0 Released

By Peter Todd

calendar icon

Original post on January 20, 2024 21:33 UTC

cyclic icon

Last reply on January 20, 2024 21:33 UTC

bitcoin-dev

The recent release of Bitcoin Core v26.0 incorporates significant enhancements, particularly the integration of Antoine Riard's full-RBF (Replace-By-Fee) peering code. This upgrade serves a dual purpose for nodes that operate with full-RBF functionality.

BitBlend Proposal for 2106

By BitBlend2106

calendar icon

Original post on January 16, 2024 13:50 UTC

cyclic icon

Last reply on January 16, 2024 13:50 UTC

bitcoin-dev

The Bitcoin network is on the brink of facing a significant technical hurdle as the year 2106 approaches, which poses a challenge to the current 32-bit field for block timestamps due to an overflow issue. A solution titled "BitBlend: A Non-Disruptive Solution to the Bitcoin 2106 Timestamp Overflow" has been proposed to tackle this problem without requiring a disruptive hard fork or consensus change.

LN-Symmetry Project Recap

16 replies

By instagibbs

Involving ajtowns, rustyrussell+2 others

calendar icon

Original post on January 5, 2024 18:03 UTC

cyclic icon

Last reply on January 22, 2026 19:09 UTC

delvingbitcoin

The LN-Symmetry Project has taken significant strides in advancing the eltoo proposal, transforming it into research-quality software aimed at enhancing the Lightning Network's efficiency and reliability. Through meticulous development, the project has introduced basic functional tests for various channel operations, including openings, payments, and unilateral closes, among others.

Future of the bitcoin-dev mailing list

By Brad Morrison

calendar icon

Original post on January 4, 2024 13:50 UTC

cyclic icon

Last reply on January 4, 2024 13:50 UTC

bitcoin-dev

As a programmer with an understanding of the situation described in the emails, I can infer that there is an ongoing transition concerning the mailing lists hosted at the Linux Foundation. The key point to note is that these mailing lists are currently on an outdated version of Mailman, specifically version 2.1.15.

Scaling Lightning Safely With Feerate-Dependent Timelocks

8 replies

By jlspc

Involving Antoine Riard, Nagaev Boris+2 others

calendar icon

Original post on December 29, 2023 18:11 UTC

cyclic icon

Last reply on December 29, 2023 18:11 UTC

lightning-dev

Developers have identified challenges in implementing feerate-dependent timelocks (FDTs) within the Bitcoin network, especially concerning pruned full nodes. If a node unaware of FDTs prunes blocks, it lacks median feerate data crucial for validating post-upgrade transactions.

SCIDADDRESS - a new address format?

By Andrea Raspitzu

calendar icon

Original post on December 27, 2023 10:48 UTC

cyclic icon

Last reply on December 27, 2023 10:48 UTC

lightning-dev

Andrea has introduced a concept for a new address format designed to enhance user experience in sending and receiving payments among Lightning Network wallets. Termed SCIDADDRESS, this proposal is not aimed at becoming a new BOLT or an official part of the specifications, but rather serves as an innovative approach seeking feedback from developers and wallet implementors.

The essence of SCIDADDRESS lies in its use of a directed short channel ID in conjunction with a channel_announcement to facilitate the discovery of a recipient's node-id, which then allows for the initiation of a keysend payment to the recipient.

Mailing List Future

12 replies

By Matt Corallo

Involving Bastien TEINTURIER, Olaoluwa Osuntokun+3 others

calendar icon

Original post on December 26, 2023 11:34 UTC

cyclic icon

Last reply on December 26, 2023 11:34 UTC

lightning-dev

The recent correspondence among programmers has shed light on several key issues and decisions being navigated within the community. Initially, there is a plan to use delvingbitcoin.org for discourse related to machine learning hosting options with a trial period set for the early part of 2024.

Lampo v23.12-beta.1 aka Santa Claus lives in Area 51

By Vincenzo Palazzo

calendar icon

Original post on December 26, 2023 11:32 UTC

cyclic icon

Last reply on December 26, 2023 11:32 UTC

lightning-dev

Vincent, a programmer, has spent over a year and a half developing a project called Lampo, inspired by his work on lnprototest for the Lightning Development Kit (LDK). Lampo, which started as an experimental lightning node, evolved into a small, self-contained SDK aimed at facilitating the creation of lightning nodes with LDK.

In March, Vincent undertook the challenge to implement a fully functioning node using the Lampo SDK.

libsecp256k1 v0.4.1 released

By Jonas Nick

calendar icon

Original post on December 21, 2023 17:31 UTC

cyclic icon

Last reply on December 21, 2023 17:31 UTC

bitcoin-dev

The latest release of libsecp256k1, version 0.4.1, is now available for users and developers. This update brings enhancements to the library's performance, particularly with a notable increase in the speed of the Elliptic Curve Diffie-Hellman (ECDH) operation.

HTLC output aggregation as a mitigation for tx recycling, jamming, and on-chain efficiency (covenants)

4 replies

By Johan Torås Halseth

Involving Antoine Riard

calendar icon

Original post on December 21, 2023 13:34 UTC

cyclic icon

Last reply on December 21, 2023 13:34 UTC

lightning-dev

The exchange between Antoine and Johan delves into the complexities of Bitcoin's Lightning Network and proposed improvements to ensure its security and scalability. Antoine introduces concerns regarding a new covenant mechanism designed for aggregating Hashed Timelock Contracts (HTLCs) and the potential vulnerabilities it could introduce, such as replacement cycling attacks where a malicious actor could exploit partial preimage reveals to perform an off-chain double-spend attack.

Kerckhoffian protocol for coercion-resistance in non-shared custody

By yurisvb at pm.me

calendar icon

Original post on December 19, 2023 16:11 UTC

cyclic icon

Last reply on December 19, 2023 16:11 UTC

bitcoin-dev

The email presents a white paper on a new Kerckhoffian protocol designed for coercion-resistance in the context of self-custody. This protocol aims to provide robust security measures for individuals managing their digital assets without the need to share custody.

BIP: output descriptors for PSBT

By SeedHammer Team

calendar icon

Original post on December 18, 2023 00:52 UTC

cyclic icon

Last reply on December 18, 2023 00:52 UTC

bitcoin-dev

The BIP draft in discussion proposes an additional field for PSBTs, titled PSBT Encoded Output Descriptors. This enhancement aims to facilitate the transfer of output descriptors between wallets by introducing a PSBT_GLOBAL_OUTPUT_DESCRIPTOR field.

Liquidity Ads and griefing subtleties

12 replies

By Bastien TEINTURIER

Involving Matt Morehouse, ZmnSCPxj+1 other

calendar icon

Original post on December 14, 2023 09:40 UTC

cyclic icon

Last reply on December 14, 2023 09:40 UTC

lightning-dev

Recent discussions within the developer community have highlighted a shift in optimizing strategies for managing inbound liquidity on the Lightning Network. Developers are moving away from the use of complex mechanisms like CLTV (Check Lock Time Verify) and timelocks due to their complexity, which does not seem justified by the benefits they provide.

The remote anchor of anchor channels is redundant

4 replies

By Peter Todd

Involving Bastien TEINTURIER

calendar icon

Original post on December 13, 2023 15:54 UTC

cyclic icon

Last reply on December 13, 2023 15:54 UTC

lightning-dev

In analyzing the design and functionality of Lightning Network channels, particularly concerning Unspent Transaction Outputs (UTXOs) and anchor outputs, a significant point emerges around the creation of UTXOs for data publishing and other purposes which dwarf those created by occasional lightning channels. The discussion around whether to include a to_remote_anchor output only when a to_remote output does not exist reveals contrasting opinions on efficiency and necessity within transaction construction.

On one hand, it is suggested that when a to_remote output disappears in channel transactions, an anchor output should be introduced as a replacement, paid by the channel initiator.

bip-0127 "Simple Proof-of-Reserves Transactions"

By Ademan

calendar icon

Original post on December 12, 2023 18:21 UTC

cyclic icon

Last reply on December 12, 2023 18:21 UTC

bitcoin-dev

Exploration into proof-of-reserves has led to the examination of BIP-0127 and its partial implementation through bdk-reserves, which has prompted several questions and comments regarding the BIP's clarity and potential improvements. There is a debate concerning the use of SHA-256 versus double SHA-256 for hashing, with the latter seemingly preferred for enhanced security despite slightly less efficiency, yet this choice demands further expert analysis in cryptographic protocol design.

The specification of an output's scriptPubkey in transactions remains ambiguous.

Bitcoin Core 26.0 released

By Michael Ford

calendar icon

Original post on December 6, 2023 12:12 UTC

cyclic icon

Last reply on December 6, 2023 12:12 UTC

bitcoin-dev

Bitcoin Core version 26.0 has been released, featuring new functionalities, bug fixes, performance improvements, and updated translations. Users can download the update from the official website or BitTorrent and are encouraged to report bugs via the GitHub issue tracker.

This version maintains compatibility with Linux, macOS 11.0+, and Windows 7 or newer, but Unix-like system compatibility may vary.

Liquidity Ads: Updated Spec Posted, please review

3 replies

By niftynei

Involving Bastien TEINTURIER

calendar icon

Original post on November 22, 2023 17:13 UTC

cyclic icon

Last reply on November 22, 2023 17:13 UTC

lightning-dev

The programming community is actively engaged in discussions and revisions to enhance network protocol functionalities, particularly focusing on transactional integrity and flexibility in liquidity management. One key change that has been implemented is the transition from CheckSequenceVerify (CSV) to CheckLockTimeVerify (CLTV) in locking leasor funds, a move motivated by the need to resolve complications associated with anchor outputs and updating commitment transactions.

Lightning Address in a Bolt 12 world

12 replies

By Bastien TEINTURIER

Involving Tony Giorgio, Andy Schroder+1 other

calendar icon

Original post on November 21, 2023 10:57 UTC

cyclic icon

Last reply on November 21, 2023 10:57 UTC

lightning-dev

The recent programming discussions have been concentrated on enhancing the user experience and scalability of Lightning node operations and DNS record management, while also focusing on security and efficiency. A key topic is the handling of DNS records for payment systems, debating whether clients should verify the expiration of offers against DNS record expirations and requesting new records proactively to avoid discrepancies.

Full Disclosure: CVE-2023-40231 / CVE-2023-40232 / CVE-2023-40233 / CVE-2023-40234 "All your mempool are belong to us"

69 replies

By Antoine Riard

Involving Peter Todd, Matt Morehouse+9 others

calendar icon

Original post on November 17, 2023 22:36 UTC

cyclic icon

Last reply on November 17, 2023 22:36 UTC

lightning-dev

The recent programmer discussions have centered on enhancing security within the Bitcoin and Lightning Network ecosystems, particularly addressing vulnerabilities related to Hash Time Locked Contracts (HTLCs). A significant vulnerability identified is the potential for replacement cycling attacks on HTLC-preimage transactions.

Scaling Lightning With Simple Covenants

16 replies

By jlspc

Involving Anthony Towns, Rusty Russell+4 others

calendar icon

Original post on November 15, 2023 19:59 UTC

cyclic icon

Last reply on November 15, 2023 19:59 UTC

lightning-dev

John's paper analyzes the trade-offs between trust/safety and capital efficiency in Lightning network channel management, suggesting that casual users prepay cost-of-capital fees for the entire active lifetime of a channel to reduce risks. His scalability analysis considers how many timeout-tree leaves can be put on-chain given block capacity constraints, concluding that scaling to 100 million leaves is feasible without compromising safety or efficiency.

On solving pinning, replacement cycling and mempool issues for bitcoin second-layers

2 replies

By Antoine Riard

calendar icon

Original post on November 15, 2023 18:14 UTC

cyclic icon

Last reply on November 15, 2023 18:14 UTC

lightning-dev

The ongoing efforts to enhance the Lightning Network are centered around addressing significant challenges such as pinning, replacement cycling attacks, and mempool congestion. A collaborative approach is being taken by key researchers in the field, including Gleb Naumenko and the email's author, who have a history of working together on these complex issues since 2019/2020.

OP_Expire and Coinbase-Like Behavior: Making HTLCs Safer by Letting Transactions Expire Safely

26 replies

By Peter Todd

Involving David A. Harding, vjudeu at gazeta.pl+4 others

calendar icon

Original post on November 15, 2023 17:50 UTC

cyclic icon

Last reply on November 15, 2023 17:50 UTC

lightning-dev

The recent technical discussions among programmers focus on enhancing the security and efficiency of the Lightning Network and Bitcoin transactions. Key issues addressed involve handling outdated or revoked states in multi-party off-chain agreements, fee management for commitment transactions, and preventing potential disruptions in consensus.

One proposal suggests that each channel counterparty maintain individual fee-bumping reserves to avoid fee griefing strategies at the expense of capital efficiency.

Proposal: Bundled payments

13 replies

By Thomas Voegtlin

Involving Olaoluwa Osuntokun, Matt Corallo+4 others

calendar icon

Original post on November 10, 2023 12:54 UTC

cyclic icon

Last reply on November 10, 2023 12:54 UTC

lightning-dev

Thomas Voegtlin has proposed a third strategy for Just-In-Time (JIT) liquidity in the Lightning Network by suggesting changes to BOLT-11 invoices to include bundled payments, designed to cater to non-custodial exchanges that require prepayment of fees. This approach would help protect service providers from denial-of-service attacks and on-chain fee incurrence.

delvingbitcoin.org discourse forum

By Anthony Towns

calendar icon

Original post on November 8, 2023 06:08 UTC

cyclic icon

Last reply on November 8, 2023 06:08 UTC

lightning-dev

There is news that the Linux Foundation will soon stop hosting mailing lists, which has prompted discussions on alternative platforms for community engagement and development discourse. A forum named "Delving Bitcoin" has been established to serve as a potential venue for such discussions, particularly focusing on lightning-related research and development topics.

LN Summit 2024 Organization

9 replies

By Antoine Riard

Involving Bernard Parah, Matt Corallo+1 other

calendar icon

Original post on November 5, 2023 00:18 UTC

cyclic icon

Last reply on November 5, 2023 00:18 UTC

lightning-dev

Antoine Riard has communicated his decision to not attend the African Bitcoin conferences in December due to logistical challenges. Despite this, he remains committed to organizing a Lightning Network (LN) Summit in June 2024 but is now considering alternative locations such as London, Paris, or South France, as operations there would be more straightforward.

Bitcoin Logo

TLDR

Join Our Newsletter

We’ll email you summaries of the latest discussions from high signal bitcoin sources, like bitcoin-dev, lightning-dev, and Delving Bitcoin.

Explore all Products

ChatBTC imageBitcoin searchBitcoin TranscriptsSaving SatoshiDecoding BitcoinWarnet
Built with 🧡 by the Bitcoin Dev Project
View our public visitor count

We'd love to hear your feedback on this project.

Give Feedback