Bitcoin Optech helps Bitcoin users and businesses integrate scaling technologies.

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

Learn more about us.

Recent newsletters, blog posts, and podcasts

  • Bitcoin Optech Newsletter #324

    This week’s newsletter announces three vulnerabilities affecting old versions of the Bitcoin Core full node, announces a separate vulnerability affecting old versions of the btcd full node, and links to a contributed Optech guide describing how to use multiple new P2P network features added in Bitcoin Core 28.0. Also included are our regular sections summarizing a Bitcoin Core PR Review Club meeting, announcements of new releases and release candidates, and descriptions of notable changes to popular Bitcoin infrastructure software.

  • Guide for Wallets Employing Bitcoin Core 28.0 Policies

    In Bitcoin Core 28.0 contains new P2P and mempool policy features that may be useful for a number of wallets and transaction types. Here Gregory Sanders presents a high-level guide to the feature set and how they can be used individually or together.
  • Bitcoin Optech Newsletter #323 Recap Podcast

    Mark “Murch” Erhardt and Mike Schmidt are joined by Bastien Teinturier to discuss Newsletter #323.

  • Bitcoin Optech Newsletter #323

    This week’s newsletter announces a planned security disclosure and includes our regular sections describing new releases, release candidates, and notable changes to popular Bitcoin infrastructure software.

  • Bitcoin Optech Newsletter #322 Recap Podcast

    Jon Atack and Mike Schmidt are joined by Gloria Zhao and Jonas Nick to discuss Newsletter #322.

View more newsletters or blog posts. Learn about new content by subscribing via email or RSS.

Supporters

Bitcoin Optech is generously supported by:

  • AndGo
  • bitbank
  • BitGo
  • BitMEX
  • Bitonic
  • Bitrefill
  • Bitso
  • Bitstamp
  • BRD
  • BTSE
  • Casa
  • Coinbase
  • Conio
  • CryptoGarage
  • Edge
  • Electrum
  • Fidelity Center for Applied Technology
  • Kraken
  • Ledger
  • Nayuta
  • Nunchuk
  • OKcoin
  • Paxos
  • Purse
  • River Financial
  • Square
  • Swan
  • Unchained Capital
  • Veriphi
  • Xapo
  • XBTO
  • Yellow Card