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 #116

    This week’s newsletter describes a proposed soft fork to enable a new type of fee bumping and summarizes research into scripts that can never be spent because they require satisfying both timelocks and heightlocks. Also included are our regular sections with summaries of updates to services and client software, a list of new releases and release candidates, and changes to popular Bitcoin infrastructure software.

  • Bitcoin Optech Newsletter #115

    This week’s newsletter recommends checking for nodes vulnerable to the InvDoS attack, briefly describes that attack, summarizes another attack against LN channels, and links to the announcement of the Crypto Open Patent Alliance. Also included are our regular sections with releases, release candidates, and notable changes to popular Bitcoin infrastructure projects.

  • Bitcoin Optech Newsletter #114

    This week’s newsletter describes continued discussion about a protocol for making routable coinswaps and includes our regular sections summarizing a Bitcoin Core PR Review Club meeting and notable changes to popular Bitcoin infrastructure projects.

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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