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X (formerly Twitter)
QMS Network (@QMSNetwork) / X
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Is Q-Day the day crypto dies?
Q-Day is the point when quantum computers can break the public-key cryptography securing Bitcoin, Ethereum, and much of today’s digital infrastructure.
The timeline may be closer than you think.
New research suggests breaking secp256k1, the curve behind Bitcoin, Ethereum EOAs, and much of the EVM world, could require fewer than 500,000 physical qubits, far below older estimates.
Today’s machines aren’t there yet, but crypto migrations could take years, and dormant wallets can’t simply rotate keys.
Q-Day may not kill crypto, but it will punish anything that waits too long.
Original Tweet
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Q-Day is the point when quantum computers can break the public-key cryptography securing Bitcoin, Ethereum, and much of today’s digital infrastructure.
The timeline may be closer than you think.
New research suggests breaking secp256k1, the curve behind Bitcoin, Ethereum EOAs, and much of the EVM world, could require fewer than 500,000 physical qubits, far below older estimates.
Today’s machines aren’t there yet, but crypto migrations could take years, and dormant wallets can’t simply rotate keys.
Q-Day may not kill crypto, but it will punish anything that waits too long.
Original Tweet
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Researchers from Google Quantum AI, Ethereum Foundation, Stanford, and Berkeley estimate that a future fast-clock quantum computer could potentially crack Bitcoin’s signature cryptography in about 9 minutes once a public key is exposed.
Not days. Not hours. Just minutes.
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Not days. Not hours. Just minutes.
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Post-quantum security is a chain-level existential requirement.
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This week, quantum is moving on two fronts at once.
- IBM pushed forward on quantum error correction.
- France added €1B to its quantum strategy.
- ETH Zurich demonstrated certifiably perfect quantum randomness.
Meanwhile, NIST keeps pushing PQC migration, and data-center operators are facing rising pressure on energy efficiency.
The pattern is clear: Security, compute, and sustainability are converging.
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- IBM pushed forward on quantum error correction.
- France added €1B to its quantum strategy.
- ETH Zurich demonstrated certifiably perfect quantum randomness.
Meanwhile, NIST keeps pushing PQC migration, and data-center operators are facing rising pressure on energy efficiency.
The pattern is clear: Security, compute, and sustainability are converging.
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Two converging forces: the race to post-quantum security and the demand for useful, sustainable compute.
QMS is built for both.
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QMS is built for both.
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About 30% of issued Bitcoin already sits where the public key is visible onchain.
When you spend from a Bitcoin address, the public key is typically revealed permanently.
A future quantum computer running Shor’s algorithm could derive the private key from that public key.
No machine can do this today, but the estimated resources required are falling fast. Google and Cloudflare are now working toward post-quantum security timelines around 2029.
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When you spend from a Bitcoin address, the public key is typically revealed permanently.
A future quantum computer running Shor’s algorithm could derive the private key from that public key.
No machine can do this today, but the estimated resources required are falling fast. Google and Cloudflare are now working toward post-quantum security timelines around 2029.
Original Tweet
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Quantum risk in crypto has 2 layers:
→ Wallet risk, which cuts across chains.
→ Consensus risk, which hits PoS chains harder.
Wallet layer:
• Exposed public keys become harvestable
• Reused addresses become liabilities
• Dormant wallets with exposed keys become permanent bounties
Consensus layer:
• PoS validators keep signing blocks and attestations
• Ethereum uses BLS signatures for this layer, which are also based on elliptic-curve cryptography
• If enough validator keys are compromised, attackers could forge validator signatures and disrupt consensus
PoW avoids this validator-key layer, but still has wallet-level exposure.
Quantum does not have to “break the chain.” It only has to break the signatures the chain depends on.
So, which chains are preparing for both layers of risk?
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→ Wallet risk, which cuts across chains.
→ Consensus risk, which hits PoS chains harder.
Wallet layer:
• Exposed public keys become harvestable
• Reused addresses become liabilities
• Dormant wallets with exposed keys become permanent bounties
Consensus layer:
• PoS validators keep signing blocks and attestations
• Ethereum uses BLS signatures for this layer, which are also based on elliptic-curve cryptography
• If enough validator keys are compromised, attackers could forge validator signatures and disrupt consensus
PoW avoids this validator-key layer, but still has wallet-level exposure.
Quantum does not have to “break the chain.” It only has to break the signatures the chain depends on.
So, which chains are preparing for both layers of risk?
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QMS Network Official
About 30% of issued Bitcoin already sits where the public key is visible onchain. When you spend from a Bitcoin address, the public key is typically revealed permanently. A future quantum computer running Shor’s algorithm could derive the private key from…
Up to 6.9M $BTC could become vulnerable in a post-quantum world.
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Banks hold more money than crypto, so why is crypto more quantum-vulnerable?
→ Banks: private databases, rotatable keys, regulated migration.
→ Blockchain: public ledger, immutable history, every key exposure permanent.
Transparency is a feature but also the attack surface.
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→ Banks: private databases, rotatable keys, regulated migration.
→ Blockchain: public ledger, immutable history, every key exposure permanent.
Transparency is a feature but also the attack surface.
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In TradFi, post-quantum migration is a compliance-driven, multi-year enterprise program with hard deadlines.
In crypto, it’s messier. Here, cryptography isn’t just infrastructure, it’s the asset layer.
It means upgrading protocols, wallets, smart contracts, custody, hardware, bridges, and key management at once, while racing to move funds off addresses whose public keys are already exposed.
That makes this one of the hardest security upgrades crypto will ever run.
QMS was built so it isn't the one you have to.
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In crypto, it’s messier. Here, cryptography isn’t just infrastructure, it’s the asset layer.
It means upgrading protocols, wallets, smart contracts, custody, hardware, bridges, and key management at once, while racing to move funds off addresses whose public keys are already exposed.
That makes this one of the hardest security upgrades crypto will ever run.
QMS was built so it isn't the one you have to.
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QMS is a blockchain purpose-built for the post-quantum era, and it turns mining into useful computation.
✔︎ Miners earn from both block rewards and client payments.
✔︎ Clients submit problems and receive solutions, ranked by quality.
✔︎ Users get PoW-level security with less reliance on inflation.
✔︎ Investors gain exposure to a network where client-paid computation contributes to value capture.
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✔︎ Miners earn from both block rewards and client payments.
✔︎ Clients submit problems and receive solutions, ranked by quality.
✔︎ Users get PoW-level security with less reliance on inflation.
✔︎ Investors gain exposure to a network where client-paid computation contributes to value capture.
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Quantum risk in crypto goes beyond stolen keys.
It can turn exposed public keys into private-key risk, pressure consensus signatures, undermine some ZK and commitment schemes, leave lost wallets unable to migrate, and force chains to absorb larger, heavier post-quantum signatures.
Therefore it's our vision to build for this transition from day one: post-quantum security, EVM compatibility, and useful compute in the same architecture.
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It can turn exposed public keys into private-key risk, pressure consensus signatures, undermine some ZK and commitment schemes, leave lost wallets unable to migrate, and force chains to absorb larger, heavier post-quantum signatures.
Therefore it's our vision to build for this transition from day one: post-quantum security, EVM compatibility, and useful compute in the same architecture.
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Everyone wants to be early, but few enjoy what early feels like.
Join our waitlist today: https://qms.finance/
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Join our waitlist today: https://qms.finance/
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QMS Network Official
Everyone wants to be early, but few enjoy what early feels like. Join our waitlist today: https://qms.finance/ Original Tweet X | LinkedIn | Medium | Docs
So far, our waitlist has attracted a strong mix of builders, miners, investors, and clients. We look forward to seeing even more of you register your interest!
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The QMS bet:
→ EVM-compatible, so existing wallets, explorers, developer tooling, and smart contracts can move over with minimal friction.
→ Mining does useful work: miners solve real optimization problems that commercial clients pay to solve.
→ Quantum-resistant at the consensus layer, with post-quantum features rolled out across accounts and the wider network over time.
→ Better solutions earn a larger share of client payments, so stronger hardware, including quantum machines, can compete as soon as it can produce valuable results.
Original Tweet
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→ EVM-compatible, so existing wallets, explorers, developer tooling, and smart contracts can move over with minimal friction.
→ Mining does useful work: miners solve real optimization problems that commercial clients pay to solve.
→ Quantum-resistant at the consensus layer, with post-quantum features rolled out across accounts and the wider network over time.
→ Better solutions earn a larger share of client payments, so stronger hardware, including quantum machines, can compete as soon as it can produce valuable results.
Original Tweet
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Quantum risk in crypto isn't only about stolen keys.
For a privacy chain like Zcash there are two separate questions: can your coins be stolen, and can fake coins be created?
Per @ebfull: shielded transactions already get post-quantum privacy in many common cases, since the onchain transaction graph stays hidden from a quantum adversary. What isn't fully there yet is encrypted amounts and memos.
The tougher one is soundness. If elliptic-curve crypto breaks, you risk counterfeiting or theft.
The real question isn't just whether wallets stay safe. It's whether the chain can still reject invalid state.
Original Tweet
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For a privacy chain like Zcash there are two separate questions: can your coins be stolen, and can fake coins be created?
Per @ebfull: shielded transactions already get post-quantum privacy in many common cases, since the onchain transaction graph stays hidden from a quantum adversary. What isn't fully there yet is encrypted amounts and memos.
The tougher one is soundness. If elliptic-curve crypto breaks, you risk counterfeiting or theft.
The real question isn't just whether wallets stay safe. It's whether the chain can still reject invalid state.
Original Tweet
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