🚨 Ethereum’s Massive Pivot: EF Drops Poseidon for SHA/BLAKE in Major Post-Quantum Upgrade!
In a major strategic shift for Ethereum's Layer-1 architecture, Ethereum Foundation researcher Justin Drake has officially announced that the EF is dropping the Poseidon hash function in favor of traditional, battle-tested options like SHA or BLAKE.
This milestone marks the conclusion of an intensive 8-year, 8-figure research rabbit hole into SNARK-friendly hashing, paving the way for bulletproof post-quantum security on Ethereum.
🔍 Why is this a big deal?
The Tech Evolution: Since 2019, Poseidon has been the go-to standard for zero-knowledge proofs and zk-rollups. However, groundbreaking advancements in binary-field SNARK designs now allow traditional hashes (like SHA-2 and BLAKE) to run with incredible efficiency—achieving speeds of around 1 million traditional hash calls per second!
The "Lean Ethereum" Vision: By shifting to deeply audited, standardized hashes, the Ethereum Foundation is removing unknown attack surfaces, unlocking ultimate security, and streamlining the roadmap for leanVM (targeted for 2027/2028 deployments).
Quantum Resistance: As quantum computing timelines accelerate, this proactive pivot ensures Ethereum's L1 core remains secure against future cryptographic threats.
💡 What does this mean for builders and investors?
While this is a massive technical win for long-term network security and the "Lean Ethereum" roadmap, it’s an architectural L1 upgrade—meaning no immediate action is needed for everyday users or traders. Ethereum continues to future-proof itself ahead of the curve! 🛡️⚡️
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