Bitcoin

Silicon qubit scalability at 99.9% accuracy is a long-term milestone for quantum computing, but the crypto market is currently focused on macro headwinds and risk-off sentiment. The real crypto relevance is the distant but growing threat quantum computing poses to elliptic curve cryptography, which secures Bitcoin and Ethereum.

Scientists discovered a technique to operate five silicon qubits simultaneously with approximately 99.9% accuracy, overcoming a major scaling challenge for quantum computers.

Silicon Qubits Hit 99.9% Accuracy at Five Qubits, a Scaling First

Quantum computing's quiet threat to Bitcoin isn't the 51% attack—it's the silent erosion of institutional confidence in long-term cold storage.

CTF repos like 'StealMyBitcoin' are recurring artifacts of the Bitcoin security-research community; historically they are educational, not exploit disclosures, and rarely move markets. The real signal is what they imply about wallet-security literacy and the robustness of self-custody—relevant as institutional custody and ETF-era flows make key management a systemic topic.

A proof-of-concept capture-the-flag (CTF) challenge titled 'Steal My Bitcoin' was published on GitHub.

Bitcoin CTF 'Steal My Bitcoin' Hits GitHub With a Whisper, Not a Bang

CTF Challenges Like 'Steal My Bitcoin' Are a Canary for Self-Custody Risk, Not a Hacking Tutorial

Quantum computing progress is a slow-burn existential overhang for ECDSA/secp256k1 and secp256k1-based wallets, but the market is years from pricing it. In a $2.75T market with BTC dominance elevated and low volume, capital is rotating defensively, so a non-crypto science headline will be ignored by price action.

Scientists improved a photon-collecting device that could connect multiple quantum-computing arrays, advancing large-scale quantum computing.

Nature Report Touts Photon-Collector Advance That Could Link Quantum Arrays

Quantum networking news is quietly bearish for crypto's long-term security narrative — and the market is pricing it as irrelevant noise

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BlackRock, Coinbase, Strategy Launch Bitcoin Security Consortium with $15M Backing

Carter Warns US Could Use Quantum Tech to Undermine Bitcoin Security

Nine Major Firms Launch Bitcoin Security Consortium With $15M Pledge for Quantum Prep

Strategy and BlackRock Lead $15M Pledge to Shield Bitcoin from Quantum Threat

Galaxy Digital Puts $5M Into Quantum-Proof Bitcoin Push

Satoshi Nakamoto's 2010 Forum Post on Double SHA-256 Still Resonates as Quantum Threats Loom

While mainstream coverage focuses on the funding milestone, the key insight is that photonic chips from GlobalFoundries enable scalable manufacturing—a critical step toward a quantum computer that could break ECDSA within a decade. This accelerates the timeline for 'quantum risk' in crypto, forcing investors to price in a potential existential threat to current blockchain security models.

PsiQuantum raised $1B in 2025, is building a quantum computer with photonic chips made by GlobalFoundries, and is closely monitored by DARPA.

DARPA's Watch on PsiQuantum Raises Quantum Threat for Crypto, Mining Supply Chain at Risk

DARPA's close monitoring of PsiQuantum signals impending US export controls on photonic chip technology, which could disrupt the global crypto mining hardware supply chain.

This announcement lands during extreme fear (F&G 23) and a bearish macro backdrop, making it easy to dismiss as irrelevant to crypto. However, it reinforces the narrative that quantum computing is advancing faster than the crypto industry's preparedness for post-quantum cryptography. The 98-qubit trapped-ion architecture with error correction potential means the 'quantum threat' timeline might shift from 'decades away' to 'within 10-15 years' for specialized attacks. This could start influencing long-term institutional sentiment, especially for funds with 5+ year horizons.

Quantinuum announced a new 98-qubit trapped-ion quantum computer called Helios, demonstrating performance beyond classical capabilities.

Quantinuum's 98-Qubit Helios Processor Shows Quantum Progress, but Bitcoin Remains Safe for Now

Quantinuum's Helios proves quantum computing is still decades away from breaking Bitcoin—making current 'Extreme Fear' a mispriced buying opportunity.

Mainstream coverage will likely frame this as a threat to crypto security, but the reality is more nuanced: current quantum processors still have too few logical qubits and too high error rates to break RSA-2048 or ECDSA. However, each incremental improvement in error correction shrinks the estimated timeline for quantum advantage. For crypto markets, this adds a subtle headwind to long-term narratives around Bitcoin's immutability, especially as institutions begin pricing in quantum risk.

Experimental demonstration of quantum error-correcting codes combined with error detection and post-selection on a trapped-ion quantum processor shows improved logical error rates.