Bitcoin Optech helps Bitcoin users and businesses integrate scaling technologies.

We provide weekly newsletters, a podcast, case studies and announcements, analyses of Bitcoin software and services, workshops and help to facilitate improved relations between businesses and the open source community.

Learn more about us.

Recent newsletters, blog posts, and podcasts

• Jul 11, 2025

  Bitcoin Optech Newsletter #362

  This week’s newsletter briefly describes a new library allowing output script descriptors to be compressed for use in QR codes. 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.

• Jul 8, 2025

  Bitcoin Optech Newsletter #361 Recap Podcast

  Mark “Murch” Erhardt and Mike Schmidt are joined by Sanket Kanjalkar, Jonas Nick, Tadge Dryja, Steven Roose, and Brandon Black to discuss Newsletter #361.

• Jul 4, 2025

  Bitcoin Optech Newsletter #361

  This week’s newsletter describes a proposal to separate the network connections and peer management used for onion message relay from those used for HTLC relay in LN. Also included are our regular sections summarizing discussion about changing Bitcoin’s consensus and listing recent changes to popular Bitcoin infrastructure software.

• Jul 1, 2025

  Bitcoin Optech Newsletter #360 Recap Podcast

  Mark “Murch” Erhardt and Mike Schmidt are joined by Daniela Brozzoni and Naiyoma to discuss Newsletter #360.

• Jun 27, 2025

  Bitcoin Optech Newsletter #360

  This week’s newsletter summarizes research about fingerprinting full nodes using P2P protocol messages and seeks feedback about possibly removing support for H in BIP32 paths in the BIP380 specification of descriptors. Also included are our regular sections summarizing top questions and answers on the Bitcoin Stack Exchange, announcing new releases and release candidates, and describing notable changes to popular Bitcoin infrastructure software.

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