quantumcomputers

Bitcoin developers just formalized a proposal to freeze over $450 billion worth of Bitcoin.

> Quantum computers are coming. Old wallets with exposed public keys will eventually be crackable.

> They want to freeze them before someone else cracks them.

> The proposal is BIP-361. Co-authored by Jameson Lopp. It just hit Bitcoin's official repo this week.

> The mechanism is a soft fork. Three years after activation, you can no longer send Bitcoin to old wallet types.

> Two years after that, those coins become permanently unspendable.

> Around 6.5 MILLION $BTC affected. Roughly 25% of all supply.

> Lopp himself acknowledges what this is. He rejects the word "confiscation" and prefers "burning."

> Here is the part nobody is talking about.

> The chain cannot tell the difference between Satoshi's dormant coins and a longterm holder waiting for $500,000 to sell.

> They look identical on chain. The early miner who set up a wallet in 2011 and forgot about it.

> The OG who bought at $200 and never moved them.

> The cold storage wallet sitting in a safe. All burned together.

> But the deeper question is how this is even possible.

> Five people have merge authority on Bitcoin Core. One person merges roughly 65% of all code.

> Six mining pools control 96 to 99% of all blocks. Activation requires their signaling.

> A coordinated decision by maybe two dozen people can change the rules and burn 25% of the supply.

> Bitcoin has done this before. In 2010, a bug created 184 BILLION $BTC out of thin air.

> Satoshi himself coordinated a fork to erase it. The chain rolled back 50 blocks.

> Ethereum did it in 2016. The DAO got hacked for $60 MILLION.

> Developers rewrote history to take the money back from a wallet whose owner had not signed off.

> The principled chain that refused to fork is now called Ethereum Classic and it is a fraction of the size.

> The lesson is the same in both cases. When the cost of the principle is high enough, the principle bends.

> Bitcoin was supposed to be the one thing nobody could touch.

> What Bitcoin actually is and what this proposal is forcing into the open, is a network that can be changed when enough of the right people agree.

> Most of the time they don't but the option has always been there.

> Decentralized at the participation layer. Coordinated at the change layer.

> The freeze might never happen. Activation requires consensus that does not exist yet.

> Tether's CEO Paolo Ardoino has already pushed back. "Code is law" he says. Don't touch the rules.

> The plan is already written down. The way to do it is already worked out. The list of people who would need to say yes already exists.

> The only question left is whether someone, someday, decides the reason is good enough.

The freeze might never happen. The fact that it could is the part that matters.

#quantumcomputers $BTC

 NVIDIA Launches Ising, the World’s First Open AI Models to Accelerate the Path to Useful Quantum Computers NVIDIA Ising Delivers Breakthrough Performance in Quantum Calibration and Error Correction, Empowering Researchers and Enterprises to Build Scalable, High-Performance Quantum Systems.
The NVIDIA Ising open model family delivers the world’s best AI-based quantum processor calibration capabilities, as well as quantum error-correction decoding that is up to 2.5x faster and 3x more accurate than traditional approaches.
Leading quantum enterprises, academic institutions and research labs adopting Ising include Academia Sinica, Fermi National Accelerator Laboratory, Harvard John A. Paulson School of Engineering and Applied Sciences, Infleqtion, IQM Quantum Computers, Lawrence Berkeley National Laboratory’s Advanced Quantum Testbed and the U.K. National Physical Laboratory (NPL).
NVIDIA today announced the world’s first family of open source quantum AI models, NVIDIA Ising, designed to help researchers and enterprises build quantum processors capable of running useful applications.
To achieve useful quantum applications at scale, significant breakthroughs are needed in quantum processor calibration and quantum error correction. AI is key for turning today’s quantum processors into large-scale, reliable computers. Open models empower developers to build high-performance AI while maintaining total control over their data and infrastructure.
Named after a landmark mathematical model that dramatically simplified the understanding of complex physical systems, the NVIDIA Ising family provides high-performance, scalable AI tools for quantum error correction and calibration — two of the most critical challenges in building hybrid-quantum classical systems.
Ising models run the world’s best quantum processor calibration and enable researchers to tackle much larger, more complex problems with quantum computers by delivering up to 2.5x faster performance and 3x higher accuracy for the decoding process needed for quantum error correction.
“AI is essential to making quantum computing practical,” said Jensen Huang, founder and CEO of NVIDIA. “With Ising, AI becomes the control plane — the operating system of quantum machines — transforming fragile qubits to scalable and reliable quantum-GPU systems.”
De Nvidia Newsroom.
El interés de las grandes tecnológicas por la computación cuántica empieza a aumentar, y un mayor flujo de capital así como una carrera tecnología puede acelerar la adopción de dicha tecnología, como ahora está ocurriendo en la IA.
Bank of America estima que para 2030 todas las redes blockchain deben tener actualizadas sus sistemas de criptografía post-cuánticos, haciendo hincapié tanto en aquellas redes que están tardando en acometer los cambios, como el aquellas billeteras inactivas y antiguas, que resultarán del todo vulnerables, con unos 1,7 Millones de BTC expuestos.
¿La computación cuántica llegará antes que la protección, o cogerá a protocolos al descubierto?
$BTC
#quantumcomputers
#NVIDIA

Quantum computers are considered one of the most promising technologies of the future. They promise computing power far beyond that of classical computers. However, this revolution could also pose a threat to modern cryptography—and thus to systems like Bitcoin.
The critical question is: Can quantum computers break Bitcoin? And if so, will Bitcoin need an upgrade?
How Quantum Computers Threaten Cryptography
The security of modern cryptography relies on mathematical problems that are difficult for classical computers to solve. Bitcoin primarily uses two algorithms:
1. SHA-256 (for hash functions)
2. ECDSA (Elliptic Curve Digital Signature Algorithm, for digital signatures)
Quantum computers could specifically attack ECDSA using Shor’s Algorithm, which can break elliptic curve cryptography. In theory, this would allow an attacker to derive private keys from public addresses—a nightmare scenario for Bitcoin.
Does This Also Affect SHA-256?
Fortunately, SHA-256 (and similar hash functions) are only minimally vulnerable to quantum attacks. Grover’s Algorithm could theoretically cut search times in half, but even then, attacking Bitcoin mining or transaction hashes would be extremely resource-intensive.
Is Bitcoin Really at Risk?
The good news: Not anytime soon.
1. Quantum computers are not yet powerful enough
- Current quantum computers have only a few error-prone qubits.
1. Breaking ECDSA would require thousands of error-corrected qubits—something that is still years or decades away.
2. Bitcoin transactions are often "quantum-resistant"
- As long as Bitcoin addresses are used only once (as recommended), the risk is low.
- Only publicly known addresses (e.g., unused funds in old wallets) would be vulnerable.
3. The community can adapt
- If quantum computers become a real threat, Bitcoin can upgrade to quantum-resistant cryptography (e.g., Lamport signatures or lattice-based cryptography).
Will Bitcoin Need an Upgrade? Long-term: Yes.
Once quantum computers become practically viable, Bitcoin will need to update its signature algorithms. However, progress is slow enough that the community will have time to respond.
Possible Solutions:
- Post-quantum cryptography (e.g., XMSS, SPHINCS+)
- Schnorr signatures (already part of Bitcoin’s protocol, offering better scalability and serving as a foundation for quantum-resistant upgrades)
- Hybrid systems (combining ECDSA with quantum-resistant signatures)
Conclusion: Bitcoin is (Still) Safe
Quantum computers pose a potential threat, but not an immediate one. Bitcoin developers have time to prepare, and promising quantum-resistant solutions already exist.
Bitcoin won’t be cracked overnight—but the community must stay vigilant. Once quantum computing makes significant advances, an upgrade will be necessary. Until then, the network remains secure.

Further Topics:
- Post-quantum cryptography
- Quantum-Resistant Ledger (QRL)
- Bitcoin Improvement Proposals (BIPs) for quantum security
#quantumcomputers #Cryptography
$BTC

Bitcoin has fallen roughly 46% from its October 2025 all-time high of $126,100 to around $67,000 in early 2026. Etherium has declined even more sharply, dropping approximately 58% to near $1,950. Amid this volatility, some commentators have revived an old concern: quantum computing.

Key Takeaways
Quantum computing remains a long-term risk, not an immediate danger to Bitcoin or Ethereum.Breaking Bitcoin’s cryptography would require billions of stable logical qubits, far beyond today’s capabilities.Only a subset of coins with exposed public keys would be vulnerable in early scenarios.Both Bitcoin and Ethereum communities are actively preparing quantum-resistant upgrades.
However, leading developers and researchers argue that quantum fears are not driving the current downturn. Instead, macroeconomic pressures, capital rotation into AI sectors, and liquidity dynamics appear far more relevant. While quantum computing poses a theoretical risk to cryptographic systems, current evidence suggests it remains a long-term challenge, likely a decade or more away, rather than an imminent existential threat.
The Real Quantum Threat: Theory vs. Reality
The core concern stems from Shor’s algorithm, which could theoretically allow a sufficiently powerful quantum computer to derive private keys from public keys. If that became feasible, wallets with exposed public keys,particularly older addresses or reused keys,could be compromised.
Estimates suggest that 20% to 50% of Bitcoin’s circulating supply could theoretically be exposed if quantum attacks became viable. However, this scenario assumes the existence of fault-tolerant quantum machines with approximately 1.9 billion stable logical qubits. Today’s most advanced systems operate with only hundreds to a few thousand noisy qubits, orders of magnitude below what would be required.
Experts emphasize that scalable, error-corrected quantum computers would need to be 10,000 to 100,000 times more powerful than current hardware to pose a real threat to Bitcoin’s elliptic curve cryptography (ECDSA).
Long-Term Risk, Not Immediate Panic
Bitcoin developer Matt Carallo recently dismissed speculation that quantum computing is responsible for recent price declines, noting that if quantum were the primary driver, Ether’s relative performance might look different given Ethereum’s more proactive upgrade roadmap.
Carallo characterized quantum as a “long-term risk” that market participants do not currently view as imminent. He attributed recent volatility more to capital flows into artificial intelligence sectors than to cryptographic concerns.
Even cautious voices frame the risk in future terms. Ethereum co-founder Vitalik Buterin has estimated roughly a 20% chance of significant quantum breakthroughs before 2030. While nontrivial, that probability still implies uncertainty rather than inevitability.
Quantum computing researcher Scott Aaronson has described the threat as a “live possibility” within the 2028–2030 timeframe, but acknowledges major engineering hurdles remain. Meanwhile, investor Kevin O’Leary has argued that targeting Bitcoin would not be the most efficient or economically rational use of quantum resources compared to fields like medical research or materials science.
Technological Gaps: Why Q-Day Is Not Tomorrow
Recent advancements in quantum computing, including IonQ roadmap updates and progress toward NIST-standardized post-quantum cryptography demonstrate forward momentum. Yet fundamental barriers persist:
High error rates in quantum systemsNeed for millions to billions of stable logical qubitsComplex error correction requirementsScalability challenges across architectures
These constraints suggest that practical quantum attacks against Bitcoin or Ethereum remain at least 10–15 years away under most projections.
Crypto’s Defensive Preparations
The crypto industry is not standing still. Ethereum’s 2026 roadmap includes exploration of post-quantum cryptographic standards within major upgrades. Bitcoin developers have discussed potential hard forks introducing quantum-resistant signature schemes such as Dilithium or XMSS.
Importantly, only coins with revealed public keys are vulnerable in early attack scenarios. Estimates suggest between 4 and 10 million BTC might fall into this category. Users can proactively migrate funds to quantum-resistant addresses once standards are implemented.
In other words, the industry retains significant flexibility to transition before any large-scale threat materializes.
Counterarguments and Market Reality
Some institutions have issued precautionary warnings. Asset managers have included quantum risk disclosures in ETF filings, and certain portfolio strategists advocate monitoring cryptographic vulnerabilities.
However, these statements reflect risk management practices rather than predictions of imminent collapse. To date, no credible evidence suggests a breakthrough capable of threatening current blockchain security.
Market dynamics in 2026 appear far more influenced by liquidity conditions, regulatory developments, and competition for capital with AI and emerging technologies than by quantum computing fears.
A Future-Proof Path Forward
The quantum era will eventually arrive, but not tomorrow. Current technological limitations, combined with active development of post-quantum cryptography, position Bitcoin and Ethereum to adapt well before existential risks emerge.
Rather than fueling panic, quantum research should motivate proactive upgrades and resilience planning. As history has shown, the crypto ecosystem evolves rapidly in response to emerging threats.
For investors and developers alike, the more immediate focus remains adoption, scalability, and macroeconomic conditions. Quantum computing represents a future engineering challenge, not a present market driver.
#quantumcomputers #bitcoin