mempool.space expands cluster mempool view

Nut November - A month-long hackathon for Cashu builders

Bitcoin Security Expert Jameson Lopp: Cyberattacks on “Exponential” Path

Bitcoin Magazine features security expert Jameson Lopp, who asserts that cyberattacks are on an "exponential" trajectory. The article highlights how Bitcoin Core actively updates its security protocols in response to these escalating threats, particularly with the advent of AI automating bug hunting processes. Lopp explains the critical shift towards implementing real-time defense strategies and the necessity of openly discussing uncensored exploit models to better understand and mitigate vulnerabilities. He also references specific security incidents, such as the PHP flaw, to illustrate the complex challenges facing the digital security landscape. This piece emphasizes the continuous efforts within the Bitcoin ecosystem to enhance its security posture against sophisticated and evolving cyber threats.

More sats from your BIP110 coins, with replay protection

Bitcoin Optech Newsletter #428 Recap Podcast

This article is a recap podcast for Bitcoin Optech Newsletter #428, featuring a discussion among Gustavo Flores Echaiz, Brandon Black, Adam Gibson, Vincenzo Palazzo, and João Dias. The podcast delves into critical developments within the Bitcoin ecosystem. Key news items include trust-minimized exits from single-issuer layer 2 solutions and advancements in descriptor syntax for hash preimages. The discussion also covers significant updates to client software and services, such as the release of Ibis Wallet v5.0-beta, the Landfall wallet designed for Lightning mining payouts, and rbitcoin 0.8.0. Furthermore, the episode highlights important releases and release candidates, including Eclair 0.14.4, BDK chain 0.23.4, and LND v0.21.5-beta.rc1. Finally, it addresses notable code and documentation changes across various essential Bitcoin projects like Eclair (#3409, #3411), LDK (#5126), LND (#10919), BTCPay Server (#7679, #7684), BDK (#2325), and BOLTs (#1357, #1352). These topics underscore active and ongoing technical development in Bitcoin's base layer, the Lightning Network, and related tools.

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Payjoin <> CISA — Last Week in Bitcoin (Oct 19 - 25)

bitcoin-pisa demo: payjoin wiht cross-input signature aggregation

Blockstream Executive Peter Bain: Institutional Clients Say Bitcoin “Poised for a Big Bull Run”

Blockstream CMO Peter Bain explains the current institutional outlook on Bitcoin, noting that clients anticipate a substantial bull run. He highlights the significance of the $81,000 price point as an indicator of market strength. Bain also details Blockstream's strategic initiatives in Swiss institutional banking and provides an update on the latest recovery efforts for the Liquid Network, a Bitcoin sidechain.

New BIP published: BIP139: Wallet Metadata Export Format

BIP 110 Post Mortem

Bitcoin: A Peer-to-Peer Electronic Cash System (interactive edition)

This article introduces an interactive edition of Satoshi Nakamoto's seminal work, "Bitcoin: A Peer-to-Peer Electronic Cash System." This new format aims to enhance engagement with and understanding of the foundational document that outlined Bitcoin's core principles. The original whitepaper detailed a novel approach to digital currency, solving the double-spending problem through a decentralized network and a proof-of-work consensus mechanism, thereby eliminating the need for trusted third parties. The interactive edition likely provides an enriched experience, potentially incorporating multimedia, annotations, or community discussions (implied by 'Comments'), to make the complex technical and economic concepts more accessible. It reinforces Bitcoin's vision as a censorship-resistant, sovereign form of electronic cash, highlighting its innovative solutions for secure, peer-to-peer transactions without central authority. This presentation underscores the enduring relevance of Nakamoto's original design and its profound implications for monetary freedom and financial autonomy in the digital age.

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Bitcoin Core Rewrites Its Security Policy for a World Where AI Finds Bugs in One Prompt

Bitcoin Core developers are overhauling their security policy in response to the growing threat of artificial intelligence being used to quickly discover software vulnerabilities. The updated policy dictates an immediate response to flaws categorized as “easily discoverable.” This means that developers will now backport necessary fixes and issue new releases without delay, abandoning the previous practice of long embargo periods. The change reflects an acknowledgment that advanced AI tools can potentially allow attackers to surface critical bugs with a single prompt, necessitating a more agile and proactive security approach to protect the Bitcoin protocol's integrity.

Bitcoin Core Ends Long Embargoes for Bugs AI Can Rediscover

Bitcoin Core has revised its approach to handling software vulnerabilities, specifically for bugs that Artificial Intelligence (AI) tools can readily identify. The new policy discontinues the previous practice of long embargo periods for these types of vulnerabilities. Instead, Bitcoin Core will now prioritize and expedite both the disclosure of such bugs and the implementation of their respective fixes. This strategic change aims to enhance the speed and efficiency of addressing security weaknesses within the core Bitcoin software, particularly those that are easily discoverable by automated means.

Bitcoin Core changes security rules as AI makes finding code bugs dangerously easy

Bitcoin Core developers have implemented a significant policy change concerning the handling of security flaws. This new policy specifically addresses vulnerabilities that artificial intelligence (AI) tools are capable of identifying, ending a previous months-long embargo period for such flaws. The move was prompted by AI's demonstrated ability to uncover hundreds of Bitcoin-related bugs during the summer, often before human developers could detect them. This adjustment reflects a recognition of AI's increasing proficiency in code auditing and bug discovery within the Bitcoin protocol's codebase, leading to an update in how these critical issues are managed and disclosed.

Bitcoin Core changes security policy as AI makes bugs easier to find

Bitcoin Core, the primary software implementation for the Bitcoin network, has announced a significant shift in its security policy. Historically, there might have been an inclination to keep certain software vulnerabilities private for a period to allow for patching before public disclosure, a practice sometimes referred to as 'security through obscurity.' However, the project's developers now contend that this approach is becoming obsolete. The emergence of advanced AI tools, which can significantly accelerate and improve the process of identifying software bugs and potential exploits, means that attempting to keep vulnerabilities secret offers diminishing returns in terms of protection. This policy change reflects an adaptation to the evolving landscape of software security and vulnerability research, driven by artificial intelligence capabilities.

Bitcoin Optech Newsletter #428

This week's Bitcoin Optech Newsletter #428 details a new design called Lichen for a single-issuer layer 2 solution. Lichen enables users to redeem their bitcoin onchain even if the issuer, termed a "hub," is uncooperative or offline. The design involves the hub minting tokens redeemable one-to-one for bitcoin on a layer 2 ledger operated by a "sequencer." Users secure their funds via a 2-of-2 multisig contract with the hub, ensuring trust-minimized exits. Building on LN-GAP, Lichen replaces the attestation committee with an onchain dispute mechanism. Each user locks bitcoin into their dedicated 2-of-2 output with the hub, receiving an equivalent amount of layer 2 tokens. The hub also locks a portion of its own bitcoin in these outputs, up to a negotiated cap, to facilitate redemptions of tokens received from other users. In cooperative exits, the hub simply signs a settlement. For uncooperative or unresponsive hubs, users can generate a Groth16 proof demonstrating the sequencer signed a state recording the returned tokens, which is then claimed onchain. The newsletter also covers a proposal for including hash preimages in output script descriptors and provides updates on Bitcoin services, client software, and infrastructure.

bitcoin++ Insider Exclusive! Michael of Boltz LAST EVER interview

Updated Bitcoin Core security policy - Antoine Poinsot

Miner Subsidy Crisis & Unit Bias: Why Bitcoin Needs a Transactional Unit

NOSTR-RIDE: P2P taxi service built on Nostr

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Utexo Opens Utexo Mint Early Access for USDT on Bitcoin Ahead of November 28 Launch

Utexo has initiated early access for its Utexo Mint platform, enabling verified professional operators to engage in testing the minting, confidential transfers, and redemption functionalities of USDT on the Bitcoin network. This development leverages the RGB protocol, a client-side validated smart contracts system for Bitcoin. The early access period precedes the official public launch of Utexo Mint, which is scheduled for November 28.