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Quantum Computing Threats to Blockchain Security Highlighted by Experts

Quantum Computing Threats to Blockchain Security Highlighted by Experts

First seen 28 Feb 2026, 12:09 UTC • •

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ThreatCluster AI
ThreatCluster •March 12, 2026 at 16:10 UTC

Ledger CTO Charles Guillemet has identified a significant vulnerability in blockchain security due to reliance on Elliptic Curve Cryptography, which is susceptible to quantum computing attacks. Financial institutions are also warned about the financial risks posed by quantum computing advancements, potentially impacting their cybersecurity measures.

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Updated 213d ago How this analysis works

Timeline

2026-02-27
Cybersecurity-Insiders article published on quantum risks
2026-02-28
Tradingview article published citing Ledger CTO's concerns

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