Is Nic Carter Exaggerating Bitcoin's Quantum Risk? Yes, Says One Core Dev - Unchained Recap
Podcast: Unchained
Published: 2026-02-22
Duration: 1 hr 18 min
Guests: Matt Corallo
Summary
Bitcoin Core Developer Matt Corallo argues that the threat of quantum computing to Bitcoin is overstated and manageable. He outlines that ongoing efforts and simple steps, such as burning old coins, can effectively mitigate potential risks.
What Happened
Bitcoin Core Developer Matt Corallo challenges the narrative proposed by Nic Carter regarding the quantum computing threat to Bitcoin. Corallo believes that the threat is exaggerated and insists that the Bitcoin community will be able to handle it when the time comes. He mentions that the steps to make Bitcoin quantum-resistant are already underway, contrary to Carter's claims of developer inaction.
Corallo outlines a two-step solution for quantum-proofing Bitcoin: burning old, lost coins and requiring coin holders to migrate to new quantum-safe addresses. This approach would protect the network by removing vulnerabilities associated with inactive addresses that could be targeted by quantum computers.
Corallo highlights that many crypto wallets already use quantum-safe derivation schemes. He suggests that a soft fork could be introduced to require proof of seed phrases for transactions, enhancing Bitcoin's resilience against quantum threats.
Organizations like Chaincode Labs and Blockstream Research are actively working on post-quantum security for Bitcoin. Their research and discussions on the Bitcoin Dev mailing list have increased, comprising 30-40% of the posts, indicating a growing focus on this issue.
A proposal known as BIP 360 is being considered to introduce a new address format for Bitcoin, specifically designed to address quantum vulnerabilities. However, unlike the Ethereum Foundation, Bitcoin developers have not set a specific timeline for post-quantum upgrades.
Corallo emphasizes that market forces will ultimately determine how Bitcoin adapts to quantum threats. He believes that while the public perception of the quantum threat is substantial, the actual threat is less immediate, with projections of cryptographic relevant quantum capabilities being decades away.
Furthermore, Corallo mentions that hash-based signatures, although larger, are currently the only reliable post-quantum scheme for Bitcoin. Such signatures can be implemented now, allowing future migration to more efficient technologies as they become available.
Key Insights
- Bitcoin Core Developer Matt Corallo argues that the perceived quantum computing threat to Bitcoin is overblown, with the Bitcoin community already taking steps to counteract it. This stands in contrast to Nic Carter's claim of developer inaction, emphasizing preparation over panic.
- Corallo proposes burning old, inactive Bitcoin addresses and requiring coin holders to move to quantum-safe addresses as a dual strategy to mitigate quantum risks. This method targets vulnerabilities without waiting for quantum computers to become a real threat.
- Many crypto wallets have already adopted quantum-safe derivation schemes, suggesting a forward-thinking approach to potential quantum threats. A soft fork could mandate proof of seed phrases, further strengthening Bitcoin's defenses.
- While Ethereum developers have set timelines for post-quantum upgrades, Bitcoin developers have not, focusing instead on gradual adaptation. BIP 360, a proposal for a new address format, reflects this approach, relying on market forces to dictate the pace of change.
Key Questions Answered
What are Matt Corallo's proposed steps to make Bitcoin quantum-resistant?
Matt Corallo suggests burning old, lost coins and migrating current coin holders to quantum-safe addresses as primary strategies to make Bitcoin quantum-resistant.
How are Bitcoin developers preparing for quantum threats?
Bitcoin developers are actively discussing post-quantum security, with organizations like Chaincode Labs and Blockstream Research leading research efforts. Proposals like BIP 360 are also being considered for quantum-proofing Bitcoin.
Why does Nic Carter criticize Bitcoin developers regarding quantum computing?
Nic Carter accuses Bitcoin developers of not prioritizing the quantum computing threat sufficiently, suggesting they are 'sleeping at the wheel' while urgent preparations should be made.