Stephan Livera Podcast

SLP400 Jonas Nick & Tim Ruffing - Half Signature Aggregation: What is it and how does it help scale Bitcoin?

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Jonas Nick & Tim Ruffing, bitcoin researchers and contributors at Blockstream rejoin me on the show, this time to chat about half signature aggregation. This is a scaling technique that can help scale Bitcoin and enable more transactions inside a block or help with L2 protocols. We discuss:

  • How this idea came to be
  • What is half aggregation vs ‘full aggregation’?
  • What kind of savings are possible?
  • What are the downsides?
  • How would this work in practice?
  • Is a soft fork required?
  • Next steps for discussion, research, contributors

    • Links:

    • Twitter: @n1ckler
    • Twitter: @real_or_random
    • Blog post: Half-Aggregation of BIP 340 Signatures
    • CISA github: Cross-Input Signature Aggregation (CISA)
    • Half aggregation: Half-Aggregation of BIP 340 signatures

      • Previous Episodes

      • SLP222 Jonas Nick and Tim Ruffing What’s MuSig2? What Does it Mean for Bitcoin Multisig?
      • SLP321 On-chain scaling with Bitcoin Core Developers Pieter Wuille, Andrew Poelstra, Andrew Chow & Murch

        • Sponsors

        • Swan Bitcoin
        • Braiins.com
        • Voltage
        • Unchained Capital (code LIVERA)
        • CoinKite.com(code LIVERA)

          • Stephan Livera links:

          • Show notes and website
          • Follow me on Twitter @stephanlivera
          • Subscribe to the podcast
          • Patreon @stephanlivera
            • ...more
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