What Wall Street Knows About Quantum Computing — But Won’t Say Out Loud
[Excerpts]:
. . .
Wall Street’s sharpest minds have learned an immutable truth: information asymmetry creates wealth asymmetry. If you can run simulationsno one else can, model markets no one else sees, and decode information no one else understands, you’re not just ahead; you’re playing
in a different league altogether.
This isn’t science fiction or a distant future. It’s already happening behind closed doors. The quiet war for quantum supremacy is the nextgreat battleground of finance.
The Quiet Consolidation Phase
If you’re waiting for headlines or flashy announcements, you’ll be waiting a long time. The signs are subtle, buried deep in quarterly filings,footnotes, and so-called “innovation budgets.”
Over the last eighteen months, I’ve tracked a pattern that many overlook. Quantum physicists are vanishing from academia, absorbed byhedge funds and banks under job titles so vague they might as well be code names. “Advanced computational researcher” and “quantum
algorithm developer.” These roles mask a gold rush for Nobel Prize level talent.
Partnerships with companies like IBM, D-Wave, and Rigetti rarely make the news. When firms mention “exploring computational advances,”they’re not talking about faster laptops or better software patches. They’re quietly staking claims in the foundational tech of the future.
Even family offices, traditionally conservative, are placing early bets on quantum startups, companies with little more than intellectual propertyand prototypes and no revenue to show. The silence here is strategic. The fewer people who know, the longer the advantage lasts.
This is Wall Street’s old playbook: accumulate quietly, test in private, and deploy when the field is unprepared. History shows that when a newparadigm emerges, the winners are the ones who prepare in silence.
Total System Disruption
To grasp the impact quantum will have on finance, imagine a world where tasks that once took days or months happen in seconds.
Derivative pricing is a perfect example. Monte Carlo simulations, which analyze countless market scenarios to price complex derivatives, currentlyrequire enormous computing power and time, often producing only approximations. Quantum will have the ability to run these calculations in real
time, delivering precision that makes today’s methods look like finger painting.
. . .
Dear and respected colleagues,
If quantum chips could do the number crunching of 1000s of NVDIA's GPUs for some applications, the arithmetic of mining of the Bitcoin would change. Alan Baratz competing with Jensen Huang—another wealth distribution show we are witnessing. The Nobel Prize winners are volens-nolens part of the show.
Mihai Nadin
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the arithmetic of mining of the Bitcoin would change
Purpose: Mining keeps the Bitcoin blockchain secure and consistent. Miners compete to solve a mathematical puzzle; whoever wins gets to add the next block to the chain and earns newly minted bitcoins plus transaction fees.
The Puzzle: The puzzle isn’t meaningful computation — it’s finding a number (a “nonce”) such that the SHA-256 hash of the block’s contents starts with a certain number of zeros.
Difficulty Adjustment: Every ~2 weeks the network automatically adjusts the difficulty so that one block is found roughly every 10 minutes, regardless of how many miners participate.
Energy Cost: Because the puzzle is purely brute-force, miners must perform trillions of SHA-256 hashes per second using specialized hardware (ASICs). The total electricity consumption of global Bitcoin mining is roughly on the order of that of a small country (like Finland or Malaysia).
So, yes — your intuition is right: as the blockchain grows and more miners join, competition increases, margins shrink, and profitability depends on very cheap electricity and expensive custom chips.
Quantum computers pose two potential impacts, and they’re quite different:
Grover’s Algorithm can, in theory, speed up brute-force searches by roughly a square root factor.
Since Bitcoin mining is a brute-force search, Grover’s algorithm could reduce the effective difficulty — but not dramatically.
Classical: possible hashes.
Quantum (Grover): — still astronomically large.
Realistically, you’d need millions of logical (error-corrected) qubits to outperform today’s ASIC miners. We are nowhere near that — current machines have on the order of hundreds of noisy qubits.
🟰 Conclusion: Quantum advantage for mining is theoretically possible but practically decades away.
Bitcoin addresses rely on elliptic-curve cryptography (ECDSA) for verifying ownership of wallets.
Shor’s algorithm can break elliptic-curve cryptography efficiently on a sufficiently large quantum computer.
If that becomes practical, a quantum attacker could:
Derive private keys from public keys,
Steal funds from exposed wallets (those that have made a transaction, thus revealing their public key).
🟰 Conclusion: The security of existing Bitcoin addresses could be threatened by large-scale quantum computers well before mining becomes quantum-efficient.
Quantum-resistant (post-quantum) cryptography is already being developed and standardized (e.g., NIST PQC project). Bitcoin could migrate to such algorithms via a network-wide software update (“hard fork”) before quantum computers become a real threat.
Quantum mining is unlikely to become viable before such security updates happen.
Aspect | Classical Bitcoin Today | Effect of Quantum Computing | Realistic Timeline |
---|---|---|---|
Mining difficulty | Enormous, energy-intensive | Grover’s gives only modest advantage | Decades away |
Wallet security (ECDSA) | Safe today | Shor’s could break it | Possibly within 10–20 years |
Environmental impact | Huge electricity use | Unchanged or worse if quantum used | Ongoing concern |
So, your intuition is correct: Bitcoin mining is already unsustainable from an energy standpoint, and quantum computing would not fix that — it might slightly accelerate mining but far from making it efficient.
The real disruption quantum computing brings is not mining, but potentially undermining Bitcoin’s cryptographic foundations, which will eventually require a shift to quantum-resistant signatures.
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