Nov 19, 2025
Vitalik Buterin Warns Quantum Computers Could Break Blockchain by 2028
TLDR Vitalik Buterin warned that quantum computers could break the cryptography protecting Bitcoin and Ethereum as early as 2028. Buterin emphasized that elliptic curve cryptography, the foundation of blockchain security, is particularly vulnerable to quantum threats. Google and Microsoft’s recent breakthroughs in quantum computing have intensified concerns over the future of blockchain security. Quantum researcher [...]
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