Estimates from a new study indicate that a fault-tolerant quantum computer with about 20,000 physical qubits could solve the elliptic curve discrete logarithm problem used in Bitcoin in less than 26 days.
ISNA is a semi-official Iranian news agency (Iranian Students News Agency). This is a translation of that outlet's own report; it is the outlet's account, not Artesh's finding.
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Vulnerability of Bitcoin Signatures Against Quantum Computing
Sep 27, 2026
September 27, 2026
1 min read
📰 ISNA
📋 Key Takeaway
A new study reveals that a quantum computer could potentially break Bitcoin's security in under a month. This raises concerns about the future of cryptocurrency security. The implications are significant for investors and users of Bitcoin.
🔍 Quick Context Guide
💡 Bottom Line:
The potential vulnerability of Bitcoin to quantum computing poses significant risks to its security and the broader cryptocurrency market.
👥 Key Players
Bitcoin Developers
MENTIONED
Creators and maintainers of the Bitcoin protocol
"They are crucial for the security and evolution of Bitcoin, which is significant for global finance."
Quantum Computing Researchers
MENTIONED
Scientists and engineers developing quantum computing technology
"Their advancements could disrupt existing cryptographic systems, affecting digital currencies and data security."
Investors and Users of Bitcoin
MENTIONED
Individuals and institutions that buy, sell, and use Bitcoin
"Their confidence in Bitcoin's security impacts its value and adoption."
📰 What Happened
A new study indicates that a sufficiently advanced quantum computer could break Bitcoin's cryptographic security in under a month. This revelation raises alarms about the future viability of Bitcoin as a secure digital currency.
- A fault-tolerant quantum computer with 20,000 physical qubits could solve the elliptic curve discrete logarithm problem in less than 26 days.
- This potential vulnerability threatens the foundational security of Bitcoin and similar cryptocurrencies.
💡 Why It Matters
🇮🇷 For Iran: Iran has been increasingly involved in cryptocurrency as a means to circumvent sanctions, making the security of Bitcoin particularly relevant.
🌍 Regional: If Bitcoin's security is compromised, it could destabilize regional economies that are adopting cryptocurrencies.
🌐 International: Globally, a breach in Bitcoin's security could lead to financial chaos and loss of trust in digital currencies.
📚 Background
Bitcoin relies on complex cryptographic algorithms to secure transactions, which could be rendered obsolete by advancements in quantum computing. Understanding this threat is crucial for anyone involved in digital finance.
Cryptography
Quantum Computing
📡 Source:
NEUTRAL
📊 Confidence:
70%
The study's findings should be interpreted with caution, as they are based on theoretical models and projections.
🏷️ Entities Mentioned
🌐
Translated from the original and edited for English readers. View original source →
Translation confidence: 85%
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