Stephan Livera Podcast

What do Bitcoiners do about Quantum? with Matt Corallo | SLP719

Feb 11, 2026
Matt Corallo, Bitcoin developer known for work on Bitcoin Core and protocol design, outlines technical plans for quantum resistance. He explains timelines and why developers must prepare. He proposes embedding post‑quantum options into Taproot and discusses wallet upgrade challenges, market effects, seed phrase roles, and practical steps toward gradual, low‑disruption adoption.
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INSIGHT

Realistic Quantum Timelines

  • Experts generally estimate a cryptographically relevant quantum computer is 10–25 years away.
  • Matt Corallo urges preparing now despite the long timeline to avoid rushed changes later.
ANECDOTE

Wallets Adopt New Tech Glacially

  • Wallets adopt new address types extremely slowly and often only when old wallets die or are replaced.
  • Matt uses this history to argue for low‑cost, opt‑in approaches to prepare wallets over many years.
ADVICE

Embed Post‑Quantum Leaves In Taproot

  • Do embed a post-quantum scheme as a Taproot script leaf now so wallets can opt in without paying higher fees today.
  • This keeps addresses compatible while giving the future community migration options.
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