Publications
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Newsletters: a weekly summary of news about Bitcoin and LN development.
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Blog posts: Occasional updates and reference material from the Optech team.
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Podcast Episodes: Audio discussions of our newsletters.
Bitcoin Optech Newsletter #293 Recap Podcast
Mark “Murch” Erhardt and Mike Schmidt are joined by ZmnSCPxj, Anthony Towns, and Armin Sabouri to discuss Newsletter #293.
Bitcoin Optech Newsletter #293
This week’s newsletter summarizes a post about trustless onchain betting for potential soft forks and links to a detailed overview of Chia Lisp for Bitcoiners. Also included are our regular sections summarizing a Bitcoin Core PR Review Club meeting, announcing new releases and release candidates, and describing notable changes to popular Bitcoin infrastructure software.
Bitcoin Optech Newsletter #292 Recap Podcast
Mark “Murch” Erhardt and Dave Harding are joined by Josie Baker, Salvatore Ingala, and Fabian Jahr to discuss Newsletter #292.
Bitcoin Optech Newsletter #292
This week’s newsletter summarizes a discussion about updating the specification for BIP21
bitcoin:
URIs, describes a proposal to manage multiple concurrent MuSig2 signing sessions with a minimum of state, links to a thread about adding editors for the BIPs repository, and discusses a set of tools that allow quickly porting the Bitcoin Core GitHub project to a self-hosted GitLab project. Also included are our regular sections announcing new releases and release candidates and summarizing recent changes to popular Bitcoin infrastructure software.Bitcoin Optech Newsletter #291 Recap Podcast
Mark “Murch” Erhardt and Mike Schmidt are joined by Richard Myers, Rijndael, Luke Dashjr, and Jason Hughes to discuss Newsletter #291.
Bitcoin Optech Newsletter #291
This week’s newsletter describes a proposed contract for trustless miner feerate futures, links to a coin selection algorithm for LN nodes providing dual funding liquidity, details a prototype for a vault using
OP_CAT
, and discusses sending and receiving ecash using LN and ZKCPs. Also included are our regular sections summarizing popular questions and answers from the Bitcoin Stack Exchange, announcing new releases and release candidates, and describing recent changes to popular Bitcoin infrastructure projects.Bitcoin Optech Newsletter #290 Recap Podcast
Mark “Murch” Erhardt and Mike Schmidt are joined by Gloria Zhao, callebtc, Chris Stewart, Fabian Jahr, and Pierre Corbin to discuss Newsletter #290.
Bitcoin Optech Newsletter #290
This week’s newsletter describes a proposal for providing DNS-based human-readable Bitcoin payment instructions, summarizes a post with thoughts about mempool incentive compatibility, links to a thread discussing the design of Cashu and other ecash systems, briefly looks at continuing discussion about 64-bit arithmetic in Bitcoin scripts (including a specification for a previously proposed opcode), and gives an overview of an improved reproducible ASMap creation process. Also included are our regular sections describing updates to clients and services, new releases and release candidates, and notable changes to popular Bitcoin infrastructure software.
Bitcoin Optech Newsletter #289 Recap Podcast
Dave Harding and Mike Schmidt are joined by Gregory Sanders and Gloria Zhao to discuss Newsletter #289.
Bitcoin Optech Newsletter #289
This week’s newsletter summarizes ideas for relay enhancements after cluster mempool is deployed, describes results of research into the topologies and sizes of LN-style anchor outputs in 2023, announces a new host for the Bitcoin-Dev mailing list, and encourages readers to celebrate I Love Free Software Day by thanking free software contributors. Also included are our regular sections summarizing a Bitcoin Core PR Review Club meeting and describing notable changes to popular Bitcoin infrastructure software.
Bitcoin Optech Newsletter #288 Recap Podcast
Dave Harding and Mike Schmidt are joined by Bastien Teinturier and Eugene Siegel to discuss Newsletter #288.
Bitcoin Optech Newsletter #288
This week’s newsletter announces the public disclosure of a block stalling bug in Bitcoin Core affecting LN, relays a concern about how to securely open new zero-conf channels that are compatible with the proposed version 3 transaction topology restrictions, describes a rule many contract protocols must follow when allowing an external party to contribute an input to a transaction, summarizes multiple discussions about a proposal for new transaction replacement rules to avoid transaction pinning, and provides a brief update on the Bitcoin-Dev mailing list.
Bitcoin Optech Newsletter #287 Recap Podcast
Mark “Murch” Erhardt and Mike Schmidt are joined by Gloria Zhao and Brandon Black to discuss Newsletter #287.
Bitcoin Optech Newsletter #287
This week’s newsletter describes a proposal to allow replacement of v3 transactions using RBF rules to ease the transition to cluster mempool and summarizes an argument against
OP_CHECKTEMPLATEVERIFY
based on it commonly requiring exogenous fees. Also included are our regular sections summarizing top questions and answers from the Bitcoin Stack Exchange, announcing new releases and release candidates, and describing notable changes to popular Bitcoin infrastructure projects.Bitcoin Optech Newsletter #286 Recap Podcast
Mark “Murch” Erhardt and Mike Schmidt are joined by Niklas Gögge, Bastien Teinturier, Anthony Towns, Gloria Zhao, Nicholas Gregory, and Tom Trevethan to discuss Newsletter #286.
Bitcoin Optech Newsletter #286
This week’s newsletter announces a fixed consensus failure in older versions of btcd, describes proposed changes to LN for v3 transaction relay and ephemeral anchors, and announces a new repository for Bitcoin-related specifications. Also included are our regular sections describing updates to services and client software, announcing new releases and release candidates, and summarizing notable changes to popular Bitcoin infrastructure software.
Bitcoin Optech Newsletter #285 Recap Podcast
Mark “Murch” Erhardt and Mike Schmidt are joined by Brandon Black, Chris Stewart, Gregory Sanders, and Oliver Gugger to discuss Newsletter #285.
Bitcoin Optech Newsletter #285
This week’s newsletter discloses a past vulnerability affecting Core Lightning, announces two new soft fork proposals, provides an overview of the cluster mempool proposal, relays information about an updated specification and implementation of transaction compression, and summarizes a discussion about Miner Extractable Value (MEV) in non-zero ephemeral anchors. Also included are our regular sections with the announcements of new releases and descriptions of notable changes to popular Bitcoin infrastructure software.
Bitcoin Optech Newsletter #284 Recap Podcast
Mark “Murch” Erhardt and Mike Schmidt are joined by Gloria Zhao, Gregory Sanders, Dave Harding, and Stéphan Vuylsteke to discuss Newsletter #284.
Bitcoin Optech Newsletter #284
This week’s newsletter summarizes discussion about LN anchors and elements of the v3 transaction relay proposal and announces a research implementation of LN-Symmetry. Also included are our regular sections with the summary of Bitcoin Core PR Review Club meeting and the description of notable changes to popular Bitcoin infrastructure software.
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