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.
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Bitcoin Optech Newsletter #269
This week’s newsletter shares the announcement of an upcoming research event and includes our regular sections summarizing significant updates to various service and client software, announcing new software releases and release candidates, and describing recent changes to popular infrastructure software.
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Bitcoin Optech Newsletter #268 Recap Podcast
Mark “Murch” Erhardt and Mike Schmidt are joined by Olaoluwa Osuntokun, Greg Sanders, and Pieter Wuille to discuss Newsletter #268.
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Bitcoin Optech Newsletter #268
This week’s newsletter links to draft specifications related to taproot assets and describes a summary of several alternative message protocols for LN that can help enable the use of PTLCs. Also included are our regular sections with the summary of a Bitcoin Core PR Review Club meeting, announcements of new software releases and release candidates, and descriptions of notable changes to popular Bitcoin infrastructure software.
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Bitcoin Optech Newsletter #267 Recap Podcast
Mark “Murch” Erhardt and Mike Schmidt are joined by Tom Briar and Nick Farrow to discuss Newsletter #267.
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Bitcoin Optech Newsletter #267
This week’s newsletter describes a new technique for compressing Bitcoin transactions and summarizes an idea for privacy-enhanced transaction cosigning. Also included are our regular sections announcing new releases and release candidates and describing notable changes to popular Bitcoin infrastructure software.
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Bitcoin Optech Podcast Special: Waiting for confirmation
This podcast is a compilation of previous podcast discussions about the Waiting for confirmation series on mempool and relay policy. Series coauthors Gloria Zhao and Mark “Murch” Erhardt describe the concepts in the series, discuss with special guests, and take questions from the audience.
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Bitcoin Optech Newsletter #266 Recap Podcast
Mark “Murch” Erhardt and Mike Schmidt are joined by Matt Corallo, Brandon Black, Gregory Sanders, and James O’Beirne to discuss Newsletter #266.
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Bitcoin Optech Newsletter #266
This week’s newsletter announces the responsible disclosure of a vulnerability affecting old LN implementations and summarizes a suggestion for a mashup of proposed covenant opcodes. Also included are our regular sections with selected questions and answers from the Bitcoin Stack Exchange, announcements of new software releases and release candidates, and summaries of notable changes to popular Bitcoin infrastructure software.
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Bitcoin Optech Newsletter #265 Recap Podcast
Mark “Murch” Erhardt and Mike Schmidt are joined by Peter Todd and Henrik Skogstrøm to discuss Newsletter #265.
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Bitcoin Optech Newsletter #265
This week’s newsletter describes fraud proofs for outdated backup state and includes our regular sections summarizing recent changes to services and client software, announcing new releases and release candidates, and describing notable changes to popular Bitcoin infrastructure software.
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Bitcoin Optech Newsletter #264 Recap Podcast
Mark “Murch” Erhardt and Mike Schmidt are joined by Brandon Black and Dan Gould to discuss Newsletter #264.
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Bitcoin Optech Newsletter #264
This week’s newsletter summarizes a discussion about adding expiration dates to silent payment addresses and provides an overview of a draft BIP for serverless payjoin. A contributed field report describes the implementation and deployment of a MuSig2-based wallet for scriptless multisignatures. Also included are our regular sections with announcements of new releases and release candidates and descriptions of notable changes to popular Bitcoin infrastructure projects.
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Field Report: Implementing MuSig2
This field report outlines the path BitGo has taken in researching, implementing, and rolling out MuSig2 capabilities on their platform. -
Bitcoin Optech Newsletter #263 Recap Podcast
Mark “Murch” Erhardt and Mike Schmidt are joined by Dave Harding, Clara Shikhelman, Peter Todd, Josie Baker, and Eduardo Quintana to discuss Newsletter #263.
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Bitcoin Optech Newsletter #263
This week’s newsletter warns about a severe vulnerability in uses of Libbitcoin’s Bitcoin Explorer (bx) tool, summarizes a discussion about the design of denial-of-service protection, announces a plan to begin testing and collecting data about HTLC endorsement, and describes two proposed changes to Bitcoin Core’s transaction relay policy. Also included are our regular sections with the summary of a Bitcoin Core PR Review Club meeting, announcements of new releases and release candidates, and descriptions of notable changes to popular Bitcoin infrastructure software.
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Bitcoin Optech Newsletter #262 Recap Podcast
Mark “Murch” Erhardt and Mike Schmidt are joined by Tom Trevethan, Lisa Neigut, and Dusty Daemon to discuss Newsletter #262.
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Bitcoin Optech Newsletter #262
This week’s newsletter links to transcripts of recent LN specification meetings and summarizes a thread about the safety of blind MuSig2 signing. Also included are our regular sections with descriptions of new releases, release candidates, and notable code changes to popular Bitcoin infrastructure software.
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Bitcoin Optech Newsletter #261 Recap Podcast
Mark “Murch” Erhardt and Mike Schmidt are joined by Greg Sanders and Bastien Teinturier to discuss Newsletter #261.
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Bitcoin Optech Newsletter #261
This week’s newsletter describes a protocol for simplifying the communication related to mutual closing of LN channels and summarizes notes from a recent meeting of LN developers. Also included are our regular sections with popular questions and answers from the Bitcoin Stack Exchange, announcements of new releases and release candidates, and descriptions of notable changes to popular Bitcoin infrastructure projects.
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Bitcoin Optech Newsletter #260 Recap Podcast
Mark “Murch” Erhardt and Mike Schmidt are joined by Gloria Zhao, Rearden Code, Ken Sedgwick, and Jack Ronaldi to discuss Newsletter #260.
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