Ethereum accounts can get quantum-proof protection for 7 cents, researcher says

Ethereum Foundation researcher Nicolas Consigny shared a proposal called SPHINCS- that could add post-quantum protections to Ethereum accounts for as little as $0.07, without requiring a hard fork.

• The SPHINCS- proposal adapts NIST's post-quantum signature standard to work more efficiently on Ethereum.
• It aims to reduce onchain verification costs without requiring a protocol change or precompile.
• About 10% of Bitcoin supply is considered 'structurally unsafe' in a future quantum attack scenario, per Glassnode.
• The approach is described as a bridge toward a future system called 'leanSPHINCS' with even lower costs.

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