Bitcoin Optech will run a series of workshops to bring Bitcoin engineers together to discuss approaches and challenges in implementing scaling technologies. Each workshop will be tailored to the member companies attending and the specific scaling challenges that they are facing.

  • Topics are discussed in a roundtable format in which every participant has an equal opportunity to engage.

  • Each topic has a moderator and notetaker. The moderator is responsible for a brief introduction of a topic and keeping discussion on track and on time.

  • We want participants to be comfortable to speak freely. Notes and action items are distributed to participants but not beyond. Participants are free to share discussion details internally at their companies and publicly, but should refrain from attributing any particular statement to a given individual (Chatham House Rules).

If you have any requests or suggestions for future workshop events, please contact us.

Workshop #2 - Paris, November 12-13 2018

Bitcoin Optech will hold our second workshop in Paris on November 12-13 2018.

Member companies who would like to attend should contact us!


The workshop will take place in Paris’s 2nd arrondissement.


We plan to cover the following topics:

  • Replace-by-fee vs. child-pays-for-parent as fee replacement techniques
  • Partially Signed Bitcoin Transactions (BIP 174)
  • Output script descriptors for wallet interoperability
  • Lightning wallet integration and applications for exchanges
  • Approaches to coin selection & consolidation

Workshop #1 - San Francisco, July 17 2018

Bitcoin Optech held our first workshop at Square in San Francisco on July 17 2018. In attendence were 14 engineers from SF Bay Area Bitcoin companies.


  • Coin selection
    • What do you do today?
    • What constraints do you face?
    • How do you prioritize potentially competing factors: blockchain efficiency, transaction throughput, privacy, minimizing fees?
    • What are best practices?
  • Fee estimation, RBF, CPFP best practices
    • What do you do today?
    • What constraints do you face?
    • What are the UX implications for your customers?
    • What are best practices?
  • Optech community and communication
    • What level of involvement would you like to have creating best practices open source cookbooks?
    • What do you want to see in an Optech community newsletter?
    • How do you want to engage with each other moving forward? Online forum? Slack? Dinners?