- Quantum research cuts ECC-256 attack estimates far below older million-qubit assumptions.
- Elon Musk posted a Grok answer that places the earliest aggressive window in late 2028 to 2029.
- A comparison chart shows ETHUSD up 13.35% while BTCUSD is down 18.80% over the same period.
New Quantum computing research is raising concerns about Bitcoin’s long-term security. Updated estimates suggest encryption used by Bitcoin may require fewer resources to break, while analysts say the potential timeline for quantum threats could arrive sooner than previously expected.
Quantum Risk Broadens Beyond Bitcoin
Recent research suggests elliptic curve cryptography, used by Bitcoin, may be more vulnerable than earlier models indicated. Google’s Quantum AI team said fewer than 500,000 physical qubits could potentially break ECC-256 encryption, i.e., 20x less than earlier estimates.
A March 2026 research paper also suggested Shor’s algorithm could attack ECC-256 using around 26,000 neutral-atom qubits under certain assumptions.
Elon Musk also shared a Grok response estimating the earliest aggressive timeline for breaking ECC-256 could arrive between late 2028 and 2029. More conservative views place the threat in the early 2030s.
Quantum Computing Risk Extends Beyond Bitcoin
Analyst Quinten Francois said quantum risk would affect more than crypto. He noted that banking systems, SWIFT transfers, military communications, and HTTPS websites also rely on similar cryptography.
He argued that if quantum computing breaks Bitcoin, it would also impact global financial and internet infrastructure. This suggests the issue extends beyond crypto markets.
Bitcoin Falls Behind Ethereum in the Latest Compare Chart
The comparison chart adds a market angle to the security story. It shows ETHUSD up 13.35% over the displayed period, while BTCUSD is down 18.80%. This gap does not prove traders are pricing quantum risk directly, but it does show Bitcoin underperforming Ethereum while the security debate grows louder.
Bitcoin now faces two linked challenges. One challenge is technical and long-term: how to migrate toward quantum-resistant protection. The other is immediate and market-facing: how to reassure users and investors before the threat turns from theory into engineering reality.
Related: Bitcoin Drops Below $66K, Analysts Warn of Sub-$50K Scenario.
Disclaimer: The information presented in this article is for informational and educational purposes only. The article does not constitute financial advice or advice of any kind. Coin Edition is not responsible for any losses incurred as a result of the utilization of content, products, or services mentioned. Readers are advised to exercise caution before taking any action related to the company.
Source: https://coinedition.com/bitcoin-faces-new-pressure-as-quantum-timeline-moves-closer/
