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Scaling Bitcoin with Giacomo Zucco, John Carvalho & Matt Corallo

Scaling Bitcoin with Giacomo Zucco, John Carvalho & Matt Corallo

Jan 9, 2024

Scaling Bitcoin with Giacomo Zucco, John Carvalho & Matt Corallo

Key Takeaways

The discussion centered around the challenges and prospects of scaling Bitcoin, with a focus on maintaining self-sovereignty and the complexities of various scaling solutions. The participants, Giacomo Zucco, Matt Corallo, and John Carvalho, shared insights on the importance of self-sovereignty, the potential of the Lightning Network, and the nuanced considerations of increasing block sizes on the base layer.

  • Self-Sovereignty and UTXO Control: The ability to be self-sovereign with Bitcoin, meaning making transactions without external interference, can be complex. While it's possible through mechanisms like Lightning channels, the trade-offs between accessibility and control were highlighted.
Understanding Bitcoin Privacy: A Comprehensive Guide
Bitcoin was created with a strong ethos of transparency, allowing users to verify system integrity independently. However, the transparent nature of the Bitcoin protocol does not preclude users from maintaining financial privacy.
  • Lightning Network as a Scaling Solution: The Lightning Network is seen as a key solution to Bitcoin's scaling issues. It simplifies transactions and reduces fees, but its complexity and security model differ from on-chain transactions. There's optimism about its current performance and potential, but also acknowledgment of its limitations and the need for ongoing improvement.
  • Block Size and Scaling Debates: The conversation on increasing Bitcoin's block size is nuanced. While technically possible, the process of achieving consensus on such changes is fraught with challenges. The focus on demand for block space versus the realistic supply and the potential for future research into dynamic block sizes were discussed.
  • Research and Development: There's a call for more research into scaling solutions that go beyond changing "magic numbers" and into areas like zero-sync and elastic block sizes. The need for conservative approaches and skepticism towards new feature proposals was emphasized.
  • Custodial vs. Non-Custodial Solutions: The debate between custodial and non-custodial solutions is ongoing. While custodial solutions offer simplicity, they compromise on the principles of self-sovereignty and censorship resistance that are core to Bitcoin.
The New Bitcoin Custody Standard is Being Set
This is one of the beautiful aspects of the bitcoin network. It enables truly novel ways of archtecting financial products and arangements.

Best Quotes

  • "Self sovereign means that basically you can take decision about your spending without other people being able to stop you from spending." - Giacomo Zucco
  • "Lightning is super complicated and getting obviously to your point, no one is going to or really ever should use a lightning wallet that has exposes users to the concept of channels or different types of balances and all this kind of nuance that the engineers have to worry about." - Matt Corallo
  • "I'm not interested anymore. I just don't think it's interesting at all. It's like, okay, cool, we made a digital asset, made a digital commodity. Well, digital commodities in themselves can be printed like we've seen with shitcoins. So it just becomes like a lot of bullshit if it's centralized." - John Carvalho


The discussion revealed the complex and multifaceted nature of Bitcoin scaling. While there is no one-size-fits-all solution, the commitment to maintaining Bitcoin's core principles of self-sovereignty and censorship resistance remains strong among developers and thought leaders. The Lightning Network, despite its current limitations, is viewed as a significant step forward in addressing scalability. However, the potential for on-chain scaling improvements, such as dynamic block sizes, warrants further exploration. As Bitcoin continues to gain global recognition, the need for careful, research-driven approaches to scaling becomes increasingly important to ensure it remains accessible and true to its decentralized ethos.


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