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 #405
This week’s newsletter announces the responsible disclosure of a vulnerability that could allow an attacker with sufficient proof-of-work to crash Bitcoin Core nodes and describes a draft BIP proposal for sharing the UTXO set over the P2P network. Also included are our regular sections announcing a new release candidate and describing notable changes to popular Bitcoin infrastructure software.
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Bitcoin Optech Newsletter #404 Recap Podcast
Mark “Murch” Erhardt, Gustavo Flores Echaiz, and Mike Schmidt are joined by Daniela Brozzoni, Naiyoma, and Thomas Voegtlin to discuss Newsletter #404.
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Bitcoin Optech Newsletter #404
This week’s newsletter describes possible solutions to node fingerprinting and links to discussion of using public fraud proofs to improve incentives around just-in-time channels. Also included are our regular sections describing notable changes to popular Bitcoin infrastructure software.
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Bitcoin Optech Newsletter #403 Recap Podcast
Gustavo Flores Echaiz and Brandon Black are joined by Olaoluwa Osuntokun to discuss Newsletter #403.
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Bitcoin Optech Newsletter #403
This week’s newsletter describes research around using binary fuse filters as an alternative to the GCS used in compact block filters. Also included are our regular sections summarizing proposals and discussion about changing Bitcoin’s consensus rules, announcing new releases and release candidates, and describing notable changes to popular Bitcoin infrastructure software.
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Bitcoin Optech Newsletter #402 Recap Podcast
Mark “Murch” Erhardt and Gustavo Flores Echaiz are joined by Toby Sharp to discuss Newsletter #402.
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Bitcoin Optech Newsletter #402
This week’s newsletter describes Hornet Node’s work on a declarative executable specification of consensus rules and summarizes a discussion about onion message jamming in the Lightning Network. Also included are our regular sections with selected questions and answers from the Bitcoin Stack Exchange, announcements of new releases and release candidates, and descriptions of notable changes to popular Bitcoin infrastructure software.
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Bitcoin Optech Newsletter #401 Recap Podcast
Mark “Murch” Erhardt, Gustavo Flores Echaiz, and Mike Schmidt are joined by Remix7531 and Luis Schwab to discuss Newsletter #401.
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Bitcoin Optech Newsletter #401
This week’s newsletter describes an idea for nested MuSig2 Lightning nodes and summarizes a project formally verifying secp256k1’s modular scalar multiplication. Also included are our regular sections describing recent changes to services and client software, announcing new releases and release candidates, and summarizing notable changes to popular Bitcoin infrastructure software.
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Bitcoin Optech Newsletter #400 Recap Podcast
Mark “Murch” Erhardt, Gustavo Flores Echaiz, and Mike Schmidt are joined by Julian Moik to discuss Newsletter #400.
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Bitcoin Optech Newsletter #400
This week’s newsletter includes our regular sections summarizing a Bitcoin Core PR Review Club meeting and describing notable changes to popular Bitcoin infrastructure projects.
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Bitcoin Optech Newsletter #399 Recap Podcast
Mark “Murch” Erhardt, Gustavo Flores Echaiz, and Mike Schmidt are joined by Armin Sabouri, Pyth, Conduition, and Jonas Nick to discuss Newsletter #399.
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Bitcoin Optech Newsletter #399
This week’s newsletter describes how wallet fingerprinting can damage payjoin privacy and summarizes a proposal for a wallet backup metadata format. Also included are our regular sections summarizing proposals and discussion about changing Bitcoin’s consensus rules, announcing new releases and release candidates, and describing notable changes to popular Bitcoin infrastructure software.
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Bitcoin Optech Newsletter #398 Recap Podcast
Mike Schmidt and Gustavo Flores Echaiz are joined by Dusty Daemon to discuss Newsletter #398.
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Bitcoin Optech Newsletter #398
This week’s newsletter includes our regular sections with selected questions and answers from the Bitcoin Stack Exchange, announcements of new releases and release candidates, and descriptions of notable changes to popular Bitcoin infrastructure software.
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Bitcoin Optech Newsletter #397 Recap Podcast
Mark “Murch” Erhardt, Gustavo Flores Echaiz, and Mike Schmidt are joined by Matt Corallo, Gregory Sanders, and Sebastian van Staa to discuss Newsletter #397.
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Bitcoin Optech Newsletter #397
This week’s newsletter includes our regular sections describing changes to services and client software, announcing new releases and release candidates, and summarizing recent changes to popular Bitcoin infrastructure software.
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Bitcoin Optech Newsletter #396 Recap Podcast
Mark “Murch” Erhardt, Gustavo Flores Echaiz, and Mike Schmidt are joined by Jonathan Harvey-Buschel to discuss Newsletter #396.
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Bitcoin Optech Newsletter #396
This week’s newsletter describes a collision-resistant hash function using Bitcoin Script and summarizes continued discussion of Lightning Network traffic analysis. Also included are our regular sections with announcements of new releases and release candidates and descriptions of notable changes to popular Bitcoin infrastructure software.
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Bitcoin Optech Newsletter #395 Recap Podcast
Mark “Murch” Erhardt, Gustavo Flores Echaiz, and Mike Schmidt are joined by Jon McAlpine, Antoine Poinsot, Mike Casey, and Ethan Heilman to discuss Newsletter #395.
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