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Cypherpunk Legend Adam Back Approves Ethereum's Post-Quantum Shift
Ethereum is replacing its custom Poseidon hash function with a well‑known, time‑tested hash, and Bitcoin pioneer Adam Back publicly co‑signed the change, confirming his support for the network's move toward stronger security.
Published:
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What happened
Ethereum is replacing its custom Poseidon hash function with a well‑known, time‑tested hash, and Bitcoin pioneer Adam Back publicly co‑signed the change, confirming his support for the network’s move toward stronger security.
Confirmed
Global impact / market context
A proven hash lowers the chance that future quantum computers could break Ethereum’s security, so developers and investors gain confidence that their contracts and assets remain safe, which can encourage more projects to build on the platform.
Analyst inference
Ethereum’s upgrade comes as many blockchain projects assess quantum‑resistant upgrades, and the global crypto market reacts strongly to security news, meaning the announcement could shift investor sentiment and affect token prices across the overall sector.
Analyst inference
What to watch
- Track Ethereum’s rollout schedule for the new hash function, noting when the network will activate the change, because timing determines when security improvements become effective. Analyst inference
- Watch for announcements from other major blockchains about adopting quantum‑resistant hashes, as similar moves could create broader security trends and affect cross‑chain investment decisions. Analyst inference
- Monitor ETH price volatility after the news, since a security upgrade can either boost confidence and raise price or cause short‑term trading swings. Analyst inference
Affected assets
- BTC — Bitcoin
- ETH — Ethereum