The quantum gap: Why Bitcoin and Ethereum are taking different paths on security
Why Bitcoin and Ethereum are taking different paths to address future cryptographic risks and long-term blockchain security.
Quantum computing has long been viewed as a distant, largely theoretical threat to blockchain systems. However, that perspective is now starting to change.
With major technology companies such as Google establishing timelines for post-quantum cryptography, and crypto researchers re-examining long-held assumptions, the discussion is shifting from abstract theory to concrete planning.
However, Bitcoin and Ethereum, two major blockchain networks, are addressing the quantum computing threat in different ways. Both networks depend on cryptographic systems that could, in principle, be compromised by sufficiently powerful quantum computers. However, their approaches to addressing this shared vulnerability are evolving in markedly different directions.
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