Sebastian Falbesoner, PortlandHODL, Tadge Dryja, and Antoine Poinsot joined Optech to discuss Newsletter #379: - ECDSA signature validation in OpenSSL vs. libsecp256k1 - Multiple discussions about restricting data - Post-quantum signature aggregation - Native STARK proof verification in Bitcoin Script - BIP54 implementation and test vectors - And more You can listen on our website:

Bitcoin Optech

Bitcoin Optech Newsletter #379 Recap Podcast

Mark “Murch” Erhardt, Gustavo Flores Echaiz, and Mike Schmidt are joined by Sebastian Falbesoner, PortlandHODL, Tadge Dryja, and Antoine Poinso...

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Fountain

Bitcoin Optech Podcast • Bitcoin Optech: Newsletter #379 Recap • Listen on Fountain

Mark “Murch” Erhardt, Gustavo Flores Echaiz, and Mike Schmidt are joined by Sebastian Falbesoner, PortlandHODL, Tadge Dryja, and Antoine Poinso...

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Bitcoin Optech: Newsletter #379 Recap

Bitcoin Optech Podcast · Episode

Apple Podcasts:

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Bitcoin Optech: Newsletter #379 Recap

Podcast Episode · Bitcoin Optech Podcast · 11/12/2025 · 2h 7m

Bitcoin Optech newsletter #379 is here: - shares an analysis comparing the historical performance of the OpenSSL and libsecp256k1 libraries - highlights multiple discussions about restricting data - summarizes a proposed post-quantum signature aggregation opcode - summarizes an idea for STARK proof verification in Bitcoin Script - updates progress on BIP54's consensus cleanup - Optech Newsletter #379 Podcast

Bitcoin Optech

Bitcoin Optech Newsletter #379

This week’s newsletter shares an analysis comparing the historical performance of the OpenSSL and libsecp256k1 libraries. Also included are our r...

Sebastian Falbesoner posted to Delving about comparing the performance of ECDSA signature validation between OpenSSL and libsecp256k1 over the last decade...

Bitcoin Optech

Bitcoin Optech Newsletter #379

This week’s newsletter shares an analysis comparing the historical performance of the OpenSSL and libsecp256k1 libraries. Also included are our r...

Multiple conversations examined ideas to change the limits of various fields in consensus...

Bitcoin Optech

Bitcoin Optech Newsletter #379

This week’s newsletter shares an analysis comparing the historical performance of the OpenSSL and libsecp256k1 libraries. Also included are our r...

Tadge Dryja posted to the Bitcoin-Dev mailing list a proposal for an OP_CHECKINPUTVERIFY (OP_CIV) opcode that enables a locking script to commit to a specific UTXO being spent in the same transaction...

Bitcoin Optech

Bitcoin Optech Newsletter #379

This week’s newsletter shares an analysis comparing the historical performance of the OpenSSL and libsecp256k1 libraries. Also included are our r...

Abdelhamid Bakhta posted to Delving Bitcoin a detailed proposal for a new tapscript opcode OP_STARK_VERIFY which would enable the verification of a specific variant of STARK proof in Bitcoin Script...

Bitcoin Optech

Bitcoin Optech Newsletter #379

This week’s newsletter shares an analysis comparing the historical performance of the OpenSSL and libsecp256k1 libraries. Also included are our r...

Antoine Poinsot posted to the Bitcoin-Dev mailing list an update on his consensus cleanup work on BIP54...

Bitcoin Optech

Bitcoin Optech Newsletter #379

This week’s newsletter shares an analysis comparing the historical performance of the OpenSSL and libsecp256k1 libraries. Also included are our r...

Bitcoin Optech will host an audio recap discussion of this newsletter on Riverside.fm Tuesday at 16:30 UTC. Join us to discuss or ask questions!

Riverside.FM Studio

Mark “Murch” Erhardt and Mike Schmidt discuss Newsletter #378: - Disclosure of four low-severity vulnerabilities in Bitcoin Core - Q&A from Bitcoin Stack Exchange including questions on datacarriersize, OP_TEMPLATEHASH and others - And more You can listen on our website:

Bitcoin Optech

Bitcoin Optech Newsletter #378 Recap Podcast

Mark “Murch” Erhardt and Mike Schmidt discuss Newsletter #378.

Fountain:

Fountain

Bitcoin Optech Podcast • Bitcoin Optech: Newsletter #378 Recap • Listen on Fountain

Mark “Murch” Erhardt and Mike Schmidt discuss Newsletter #378.News● CPU DoS from unconfirmed transaction processing (1:00) Selected Q&A from...

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Bitcoin Optech: Newsletter #378 Recap

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Bitcoin Optech: Newsletter #378 Recap

Podcast Episode · Bitcoin Optech Podcast · 11/04/2025 · 1h 3m

Bitcoin Optech newsletter #378 is here: - announces four vulnerabilities affecting older versions of the Bitcoin Core full node - summarizes popular Q&A from Stack Exchange - Optech Newsletter #378 Podcast

Bitcoin Optech

Bitcoin Optech Newsletter #378

This week’s newsletter announces four vulnerabilities affecting older versions of the Bitcoin Core full node. Also included are our regular secti...

Antoine Poinsot recently posted to the Bitcoin-Dev mailing list four Bitcoin Core security advisories for low-severity vulnerabilities that were fixed in Bitcoin Core 30.0...

Bitcoin Optech

Bitcoin Optech Newsletter #378

This week’s newsletter announces four vulnerabilities affecting older versions of the Bitcoin Core full node. Also included are our regular secti...

Selected Q&A from Bitcoin Stack Exchange: - Why was -datacarriersize redefined in 2022, and why was the 2023 proposal to expand it not merged? - What is the smallest valid transaction that can be included in a block? - Why does Bitcoin Core continue to give witness data a discount even when it is used for inscriptions? - The ever-growing Bitcoin blockchain size? - I read that OP_TEMPLATEHASH is a variant of OP_CTV. How do they differ?

Bitcoin Optech

Bitcoin Optech Newsletter #378

This week’s newsletter announces four vulnerabilities affecting older versions of the Bitcoin Core full node. Also included are our regular secti...

Bitcoin Optech will host an audio recap discussion of this newsletter on Riverside.fm Tuesday at 16:30 UTC. Join us to discuss or ask questions!

Riverside.FM Studio

Francesco Madonna and supertestnet joined Optech to discuss Newsletter #376: - Continued discussion of block template sharing - B-SSL a Secure Bitcoin Signing Layer - Bitcoin Core 30.0 - And more You can listen on our website:

Bitcoin Optech

Bitcoin Optech Newsletter #376 Recap Podcast

Gustavo Flores Echaiz and Mike Schmidt are joined by Francesco Madonna and supertestnet to discuss Newsletter #376.

Fountain:

Fountain

Bitcoin Optech Podcast • Bitcoin Optech: Newsletter #376 Recap • Listen on Fountain

Gustavo Flores Echaiz and Mike Schmidt are joined by Francesco Madonna and supertestnet to discuss Newsletter #376.News● Continued discussion of...

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Bitcoin Optech: Newsletter #376 Recap

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Bitcoin Optech: Newsletter #376 Recap

Podcast Episode · Bitcoin Optech Podcast · 10/28/2025 · 39m

Bitcoin Optech newsletter #376 is here: - shares an update on the proposal for nodes to share their current block template - summarizes a paper outlining a covenant-less vault construction - Bitcoin Core 30.0 release - Optech Newsletter #376 Podcast

Bitcoin Optech

Bitcoin Optech Newsletter #376

This week’s newsletter shares an update on the proposal for nodes to share their current block template and summarizes a paper outlining a covena...

Discussion continued around the proposal for full node peers to occasionally send each other their current template for the next block using compact block relay encoding...

Bitcoin Optech

Bitcoin Optech Newsletter #376

This week’s newsletter shares an update on the proposal for nodes to share their current block template and summarizes a paper outlining a covena...

Francesco Madonna posted to Delving Bitcoin about a concept which is a covenant-less vault model using taproot, OP_CHECKSEQUENCEVERIFY, and OP_CHECKLOCKTIMEVERIFY...

Bitcoin Optech

Bitcoin Optech Newsletter #376

This week’s newsletter shares an update on the proposal for nodes to share their current block template and summarizes a paper outlining a covena...

Bitcoin Core 30.0 is the latest version release of the network’s predominant full node. Its release notes describe several significant improvements...

Bitcoin Optech

Bitcoin Optech Newsletter #376

This week’s newsletter shares an update on the proposal for nodes to share their current block template and summarizes a paper outlining a covena...

Bitcoin Optech will host an audio recap discussion of this newsletter on Riverside.fm Tuesday at 16:30 UTC. Join us to discuss or ask questions!

Riverside.FM Studio