Mark “Murch” Erhardt and Mike Schmidt are joined by John Light and Gregory Sanders to discuss Newsletter #222.

The Bitcoin Optech Podcast and transcription content is licensed Creative Commons CC BY-SA 2.0


  • Block parsing bug affecting BTCD and LND (0:10)

  • Transaction replacement option (5:34)

  • Validity rollups research (18:02)

  • MuSig2 security vulnerability (52:00)

  • Minimum relayable transaction size (55:55)

  • BIP324 update (1:01:52)

Changes to services and client software

Releases and release candidates

Notable code and documentation changes


transcription coming soon