Bitcoin Optech helps Bitcoin users and businesses integrate scaling technologies.

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

Learn more about us.

Recent newsletters and blog posts

  • Bitcoin Optech Newsletter #126

    This week’s newsletter describes a proposal for using fidelity bonds on LN to prevent denial of service attacks, summarizes a PR to address a fee siphoning attack that could affect LN channels using anchor outputs, and links to a proposed specification for miniscript. Also included are our regular sections with releases, release candidates, and recent code changes in popular Bitcoin infrastructure software.

  • Bitcoin Optech Newsletter #125

    This week’s newsletter links to a website that tracks miner support for taproot activation, announces a new organization funding Bitcoin research and development, and includes our regular sections with popular questions and answers from the Bitcoin StackExchange, announcements of releases and release candidates, and notable changes to popular Bitcoin infrastructure software.

  • Bitcoin Optech Newsletter #124

    This week’s newsletter contains a warning about backdoored VM images. Also included are our regular sections with summaries of notable improvements to clients and services, announcements of releases and release candidates, and changes to popular Bitcoin infrastructure software.

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

Member Companies

Bitcoin Optech is supported by our member companies.

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