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 #104

    This week’s newsletter summarizes a discussion about mining incentives related to HTLCs and links to an announcement about a proposed service to store and relay presigned transactions. Also included are our regular sections with recently transcribed talks and conversations, new releases and release candidates, and notable changes to popular Bitcoin infrastructure projects.

  • Bitcoin Optech Newsletter #103

    This week’s newsletter summarizes a newly published fee ransom attack against LN users, links to continued discussion about the attack against LN atomicity, and shares a reminder about collision attacks on RIPEMD160-based addresses in multiparty protocols. Also included are our regular sections with popular questions and answers from the Bitcoin StackExchange, a list of releases and release candidates published this week, and notable changes to popular Bitcoin infrastructure projects.

  • Bitcoin Optech Newsletter #102

    This week’s newsletter summarizes the CoinPool payment pool proposal and the WabiSabi coordinated coinjoin protocol. Also included are our regular sections with notable changes to services, client software, and infrastructure software.

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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
  • Xapo
  • XBTO
  • Yellow Card