Ethereum L1 Shifts From Poseidon Hash Function After Research Effort

The Ethereum network's Layer 1 (L1) is reportedly moving away from the Poseidon hash function, according to Ethereum Foundation researcher Justin Drake. This decision follows an eight-year research effort involving an eight-figure investment into Poseidon. The network will instead pursue established hash functions such as SHA-2 or BLAKE2s, signaling a shift in its cryptographic strategy.

For readers tracking Ethereum , this development highlights ongoing research and strategic adjustments within the network's core infrastructure. The move to established hash functions like SHA-2 or BLAKE2s suggests a preference for widely adopted and tested cryptographic primitives for the L1, potentially for reasons related to security, performance, or post-quantum considerations, though the source context does not specify the exact rationale for the change.

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