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Quantum computing: what the voices are saying

Computing that uses quantum mechanics to solve certain problems.

2 voices10 mentions, 10 in the last 30 daysLast mentioned 7 days ago

Where the voices stand

Bullish

Latest views: 1 bullish, 1 neutral, 0 bearish. Counted only where Quantum computing was the subject of the claim.

The read

Voices see quantum as a real long-term cryptographic risk, but not an imminent or existential one.

On All-In, Arvind Krishna said a practical quantum computer could break today's cryptography around 2030, so organizations should begin adopting post-quantum protections now.[1] Nikesh Arora, also on All-In, argued organizations should replace non-quantum-safe infrastructure now rather than wait until quantum computers are near practical scale.[1] Scott Melker's guest Arjun Sethi called quantum a threat to signatures rather than hashing, and a coordination and migration problem rather than an extinction event for Bitcoin.[2] Saifedean Ammous, on Scott Melker, said quantum is not a serious threat to Bitcoin, and that the worst case is days or weeks of disruption while migrating to quantum-resistant algorithms.[3] On All-In, Martin Shkreli said quantum computers could factor integers in polynomial time, a concern for encryption, but judged them too slow and limited to beat conventional computers on general tasks.[4]

Where they disagree

Martin Shkreli argued quantum's algorithmic advantage is narrow with no broad commercial case and said he has shorted quantum companies at a loss, while Arvind Krishna urged adopting post-quantum protections now ahead of a possible 2030 break.[4][1]

Sources (4)
  1. All-In Podcast: Arvind Krishna & Nikesh Arora: Quantum Threat, Open vs Frontier AI, AI Cyber Warfare & SaaS Collapse (Oct 21, 2026) · watch
  2. Scott Melker: Crypto Is About To Change How You Buy Stocks Forever | Arjun Sethi (Oct 18, 2026) · watch
  3. Scott Melker: Bitcoin's Inflation Test Just Came In Hot - What's Next? (Oct 14, 2026) · watch
  4. All-In Podcast: Martin Shkreli: Big Pharma's Blind Spot, Betting Against Quantum & What Prison Taught Him (Oct 12, 2026) · watch

Each voice's latest take

VoiceStanceWhat they saidWhen
All-In PodcastNeutralAI models running on classical hardware are unlikely to deliver the practical speed advantage of quantum algorithms, which require quantum hardware.7 days ago
Scott MelkerBullishQuantum computing threatens signatures rather than hashing and is a coordination and migration problem, not an extinction event for Bitcoin.10 days ago

Calls about Quantum computing

  • A practical quantum computer could break today's cryptography around 2030, so organizations should begin adopting post-quantum protections now.
    “well, it will break today's cryptography.”
    BearishPrediction: current cryptography becomes breakable (around 2030)Arvind Krishna, All-In Podcast, Oct 21, 2026Episode summaryWatch at 1:05
  • Someone will claim progress in quantum error correction by the next year, with one or two parties showing progress by 2027.
    “I'll predict you'll see somebody make claims by next year.”
    BullishPrediction: claims of error-correction progress, followed by one or two credible advances (2027)Arvind Krishna, All-In Podcast, Oct 21, 2026Episode summaryWatch at 2:41

Every mention

  • A practical quantum computer could break today's cryptography around 2030, so organizations should begin adopting post-quantum protections now.
    “well, it will break today's cryptography.”
    BearishPrediction: current cryptography becomes breakable (around 2030)Arvind Krishna, All-In Podcast, Oct 21, 2026Episode summaryWatch at 1:05
  • Someone will claim progress in quantum error correction by the next year, with one or two parties showing progress by 2027.
    “I'll predict you'll see somebody make claims by next year.”
    BullishPrediction: claims of error-correction progress, followed by one or two credible advances (2027)Arvind Krishna, All-In Podcast, Oct 21, 2026Episode summaryWatch at 2:41
  • Organizations should replace non-quantum-safe infrastructure now rather than wait until quantum computers are near practical scale.
    “you should be replacing your IT stack today with quantum-safe or quantum-proof infrastructure right now.”
    BearishNikesh Arora, All-In Podcast, Oct 21, 2026Episode summaryWatch at 5:27
  • AI models running on classical hardware are unlikely to deliver the practical speed advantage of quantum algorithms, which require quantum hardware.
    “you need quantum hardware to run these things to get the positive advantage”
    NeutralArvind Krishna, All-In Podcast, Oct 21, 2026Episode summaryWatch at 7:37
  • Quantum computing threatens signatures rather than hashing and is a coordination and migration problem, not an extinction event for Bitcoin.
    “that's a migration problem. That that is not an extinction event”
    BullishArjun Sethi, Scott Melker, Oct 18, 2026Episode summaryWatch at 55:30#Bitcoin
  • Quantum computing is not a serious threat to Bitcoin, and worst case the network could migrate to quantum-resistant algorithms with days or weeks of disruption.
    “I'm not selling my coins because of the quantum threat. I don't think it's that serious of a deal.”
    BullishSaifedean Ammous, Scott Melker, Oct 14, 2026Episode summaryWatch at 10:37#Bitcoin
  • Modern quantum computers are too slow and limited to outperform conventional computers on general-purpose tasks such as sorting.
    “The modern quantum computers run at a clock speed of hundreds of hertz or thousands of hertz”
    Very bearishMartin Shkreli, All-In Podcast, Oct 12, 2026Episode summaryWatch at 3:12
  • Quantum computing’s notable algorithmic advantage is narrow and does not provide a broad commercial reason for most businesses to adopt it.
    “unless you were in the business of factoring numbers, there's there's not a whole lot uh to be excited about here.”
    Very bearishMartin Shkreli, All-In Podcast, Oct 12, 2026Episode summaryWatch at 3:44
  • Shkreli has shorted quantum-computing companies, but the position has lost millions of dollars so far.
    “we lost millions of dollars shorting quantum computing companies”
    Very bearishTradeMartin Shkreli, All-In Podcast, Oct 12, 2026Episode summaryWatch at 5:50
  • Shkreli says quantum computers could perform integer factorization and elliptic-curve discrete-log calculations in polynomial time, a potential concern for encryption.
    “the quantum computers can do those in polynomial time”
    BearishMartin Shkreli, All-In Podcast, Oct 12, 2026Episode summaryWatch at 3:12

Frequently asked questions

Are investors bullish or bearish on Quantum computing?

On balance the voices Read on Risk follows are bullish on Quantum computing: of their latest views, 1 bullish, 1 neutral and 0 bearish (as of Oct 29, 2026).

What does All-In Podcast think about Quantum computing?

AI models running on classical hardware are unlikely to deliver the practical speed advantage of quantum algorithms, which require quantum hardware. (Neutral, Oct 21, 2026.)

What does Scott Melker think about Quantum computing?

Quantum computing threatens signatures rather than hashing and is a coordination and migration problem, not an extinction event for Bitcoin. (Bullish, Oct 18, 2026.)

What is Quantum computing?

Computing that uses quantum mechanics to solve certain problems.

Often discussed alongside

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