Bitcoin Optech

Bitcoin Optech newsletter #391 is here: - links to work on a constant-time parallelized UTXO database - summarizes a new high-level language for writing Bitcoin Script - describes an idea to mitigate dust attacks - covers the SHRINCS 324-byte stateful post-quantum signatures with static backups paper - highlights discussion to address remaining points on BIP54 - summarizes the Falcon post-quantum signature scheme proposal - links to research showing SLH-DSA verification can compete with ECC - Optech Newsletter #391 Podcast

Bitcoin Optech

Bitcoin Optech Newsletter #391

This week’s newsletter links to work on a constant-time parallelized UTXO database, summarizes a new high-level language for writing Bitcoin Scri...

Toby Sharp posted to Delving Bitcoin about his latest project, a custom, highly parallel UTXO database, with constant-time queries, called Hornet UTXO(1)...

Bitcoin Optech

Bitcoin Optech Newsletter #391

This week’s newsletter links to work on a constant-time parallelized UTXO database, summarizes a new high-level language for writing Bitcoin Scri...

Hyunhum Cho wrote on Delving Bitcoin about his work on Bithoven which is an alternative to miniscript...

Bitcoin Optech

Bitcoin Optech Newsletter #391

This week’s newsletter links to work on a constant-time parallelized UTXO database, summarizes a new high-level language for writing Bitcoin Scri...

Bubb1es posted to Delving Bitcoin about a way to dispose of dust attacks in onchain wallets...

Bitcoin Optech

Bitcoin Optech Newsletter #391

This week’s newsletter links to work on a constant-time parallelized UTXO database, summarizes a new high-level language for writing Bitcoin Scri...

Following-up on the Hash-based Signature Schemes for Bitcoin, Jonas Nick detailed on Delving Bitcoin a specific hash-based quantum-resistant signature algorithm with potentially useful properties for use in Bitcoin...

Bitcoin Optech

Bitcoin Optech Newsletter #391

This week’s newsletter links to work on a constant-time parallelized UTXO database, summarizes a new high-level language for writing Bitcoin Scri...

Antoine Poinsot wrote about the remaining points of discussion for the consensus cleanup soft fork...

Bitcoin Optech

Bitcoin Optech Newsletter #391

This week’s newsletter links to work on a constant-time parallelized UTXO database, summarizes a new high-level language for writing Bitcoin Scri...

Giulio Golinelli posted on the mailing list proposing a fork to enable Falcon signature verification to Bitcoin...

Bitcoin Optech

Bitcoin Optech Newsletter #391

This week’s newsletter links to work on a constant-time parallelized UTXO database, summarizes a new high-level language for writing Bitcoin Scri...

Conduition wrote about his ongoing work benchmarking his post-quantum SLH-DSA verification implementation against libsecp256k1...

Bitcoin Optech

Bitcoin Optech Newsletter #391

This week’s newsletter links to work on a constant-time parallelized UTXO database, summarizes a new high-level language for writing Bitcoin Scri...

Bitcoin Optech will host an audio recap discussion of this newsletter streaming live on X/Twitter Tuesday at 17:30 UTC.

Liam Eagen joined Optech to discuss Newsletter #390: - The Argo garbled-circuits scheme - An LN-Symmetry update - 5 questions from the Bitcoin Stack Exchange - And more You can listen on our website:

Bitcoin Optech

Bitcoin Optech Newsletter #390 Recap Podcast

Mark “Murch” Erhardt and Gustavo Flores Echaiz are joined by Liam Eagen to discuss Newsletter #390.

Fountain:

Fountain

Bitcoin Optech Podcast • Bitcoin Optech: Newsletter #390 Recap • Listen on Fountain

Mark “Murch” Erhardt and Gustavo Flores Echaiz are joined by Liam Eagen to discuss Newsletter #390.News● Argo: a garbled-circuits scheme wit...

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Bitcoin Optech: Newsletter #390 Recap

Bitcoin Optech Podcast · Episode

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Bitcoin Optech: Newsletter #390 Recap

Podcast Episode · Bitcoin Optech Podcast · 02/04/2026 · 1h 3m

Bitcoin Optech newsletter #390 is here: - summarizes a more efficient approach to garbled circuits - links to an LN-Symmetry update - summarizes popular Q&A from Stack Exchange - Optech Newsletter #390 Podcast

Bitcoin Optech

Bitcoin Optech Newsletter #390

This week’s newsletter summarizes a more efficient approach to garbled circuits and links to an LN-Symmetry update. Also included are our regular...

Robin Linus posted to Delving Bitcoin about a new paper by Liam Eagen and Ying Tong Lai describing a technique that will enable 1000 times more efficient garbled locks...

Bitcoin Optech

Bitcoin Optech Newsletter #390

This week’s newsletter summarizes a more efficient approach to garbled circuits and links to an LN-Symmetry update. Also included are our regular...

Gregory Sanders posted an update to Delving Bitcoin about his previous work on LN-Symmetry...

Bitcoin Optech

Bitcoin Optech Newsletter #390

This week’s newsletter summarizes a more efficient approach to garbled circuits and links to an LN-Symmetry update. Also included are our regular...

Selected Q&A from Bitcoin Stack Exchange - What is stored in dbcache and with what priority? - Can one do a coinjoin in Shielded CSV? - In Bitcoin Core, how to use Tor for broadcasting new transactions only? - Brassard-Høyer-Tapp (BHT) algorithm and Bitcoin (BIP360) - Why does BitHash alternate sha256 and ripmed160?

Bitcoin Optech

Bitcoin Optech Newsletter #390

This week’s newsletter summarizes a more efficient approach to garbled circuits and links to an LN-Symmetry update. Also included are our regular...

Bitcoin Optech will host an audio recap discussion of this newsletter streaming live on X/Twitter Tuesday at 17:30 UTC.

René Pickhardt joined Optech to discuss Newsletter #389: - A mathematical theory of payment channel networks - 2 updates to services and client software - And more You can listen on our website:

Bitcoin Optech

Bitcoin Optech Newsletter #389 Recap Podcast

Mark “Murch” Erhardt and Mike Schmidt are joined by René Pickhardt to discuss Newsletter #389.

Fountain:

Fountain

Bitcoin Optech Podcast • Bitcoin Optech: Newsletter #389 Recap • Listen on Fountain

Mark “Murch” Erhardt and Mike Schmidt are joined by René Pickhardt to discuss ⁠Newsletter #389⁠.News● A mathematical theory of payment ...

Spotify:

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Bitcoin Optech: Newsletter #389 Recap

Bitcoin Optech Podcast · Episode

Apple Podcasts:

Apple Podcasts

Bitcoin Optech: Newsletter #389 Recap

Podcast Episode · Bitcoin Optech Podcast · 01/27/2026 · 54m

Bitcoin Optech newsletter #389 is here: - links to a paper on the study of payment channel networks - summarizes changes to services/client software including an Electrum server for testing silent payments and a BDK WASM library - Optech Newsletter #389 Podcast

Bitcoin Optech

Bitcoin Optech Newsletter #389

This week’s newsletter links to a paper on the study of payment channel networks. Also included are our regular sections describing recent update...

René Pickhardt posted to Delving Bitcoin about the publication of his new paper called “A Mathematical Theory of Payment Channel Network”...

Bitcoin Optech

Bitcoin Optech Newsletter #389

This week’s newsletter links to a paper on the study of payment channel networks. Also included are our regular sections describing recent update...

Changes to services and client software: - Electrum server for testing silent payments - BDK WASM library

Bitcoin Optech

Bitcoin Optech Newsletter #389

This week’s newsletter links to a paper on the study of payment channel networks. Also included are our regular sections describing recent update...

Bitcoin Optech will host an audio recap discussion of this newsletter on

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Tuesday at 17:30 UTC. Join us to discuss or ask questions!

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Bruno Garcia explains his vision for incremental mutation testing in Bitcoin Core:

Craig Raw (@craigraw) on silent payments. From Optech Recap #387

Bitcoin Optech newsletter #388 is here: - links to a discussion of incremental mutation testing in Bitcoin Core - announces deployment of a new BIP process - Optech Newsletter #388 Podcast

Bitcoin Optech

Bitcoin Optech Newsletter #388

This week’s newsletter links to a discussion of incremental mutation testing in Bitcoin Core and announces deployment of a new BIP process. Also ...

Bruno Garcia posted to Delving Bitcoin about his current work on improving mutation testing in Bitcoin Core. Mutation testing is a technique that allows developers to assess the effectiveness of their tests by intentionally adding systemic bugs, called mutants, to the codebase...

Bitcoin Optech

Bitcoin Optech Newsletter #388

This week’s newsletter links to a discussion of incremental mutation testing in Bitcoin Core and announces deployment of a new BIP process. Also ...

After more than two months of discussion on the mailing list and another round of amendments to the proposal, it became clear this week that BIP3 had achieved rough consensus...

Bitcoin Optech

Bitcoin Optech Newsletter #388

This week’s newsletter links to a discussion of incremental mutation testing in Bitcoin Core and announces deployment of a new BIP process. Also ...

Bitcoin Optech will host an audio recap discussion of this newsletter on Riverside Tuesday at 17:30 UTC. Join us to discuss or ask questions!

Riverside.FM Studio

René Pickhardt and Craig Raw joined Optech to discuss Newsletter #387: - Bitcoin Core wallet migration bug - Using Ark as a channel factory - Draft BIP for silent payment descriptors - And more You can listen on our website:

Bitcoin Optech

Bitcoin Optech Newsletter #387 Recap Podcast

Mark “Murch” Erhardt, Gustavo Flores Echaiz, and Mike Schmidt are joined by René Pickhardt and Craig Raw to discuss Newsletter #387.

Fountain:

Fountain

Bitcoin Optech Podcast • Bitcoin Optech: Newsletter #387 Recap • Listen on Fountain

Mark “Murch” Erhardt, Gustavo Flores Echaiz, and Mike Schmidt are joined by René Pickhardt and Craig Raw to discuss ⁠Newsletter #387⁠.New...

Spotify:

Spotify

Bitcoin Optech: Newsletter #387 Recap

Bitcoin Optech Podcast · Episode

Apple Podcasts:

Apple Podcasts

Bitcoin Optech: Newsletter #387 Recap

Podcast Episode · Bitcoin Optech Podcast · 01/14/2026 · 1h 24m

Bitcoin Optech newsletter #387 is here: - warns of a wallet migration bug in Bitcoin Core - summarizes a post about using the Ark protocol as an LN channel factory - links to a draft BIP for silent payment descriptors - Optech Newsletter #387 Podcast

Bitcoin Optech

Bitcoin Optech Newsletter #387

This week’s newsletter warns of a wallet migration bug in Bitcoin Core, summarizes a post about using the Ark protocol as an LN channel factory, ...

Bitcoin Core posted a notice of a bug in the legacy wallet migration feature in versions 30.0 and 30.1...

Bitcoin Optech

Bitcoin Optech Newsletter #387

This week’s newsletter warns of a wallet migration bug in Bitcoin Core, summarizes a post about using the Ark protocol as an LN channel factory, ...

René Pickhardt wrote on Delving Bitcoin about his discussions and ideas around whether Ark’s best use case might be as a flexible channel factory rather than as an end-user payment solution...

Bitcoin Optech

Bitcoin Optech Newsletter #387

This week’s newsletter warns of a wallet migration bug in Bitcoin Core, summarizes a post about using the Ark protocol as an LN channel factory, ...

Craig Raw posted to the Bitcoin-Dev mailing list a proposal for a draft BIP, which defines a new top-level descriptor script expression sp() for silent payments...

Bitcoin Optech

Bitcoin Optech Newsletter #387

This week’s newsletter warns of a wallet migration bug in Bitcoin Core, summarizes a post about using the Ark protocol as an LN channel factory, ...

Bitcoin Optech will host an audio recap discussion of this newsletter on

Riverside: HD Podcast & Video Software | Free Recording & Editing

Riverside is your online studio for high-quality podcast and video recording and editing. Powered by AI, built for human conversations. Get started...

Tuesday at 17:30 UTC. Join us to discuss or ask questions!

Riverside.FM Studio