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Ethereum Foundation Drops Poseidon From Post-Quantum Plan

Summary by Cointelegraph
Faster SNARK performance is supporting tentative targets for a production-ready leanVM in 2027 and broader Ethereum deployments in 2028.

13 Articles

Ethereum abandons Poseidon, the hash function with which it sought to shield itself against quantum computers. The network is now betting on SHA2 or BLAKE2s, two traditional cryptography standards. The announcement, confirmed by researcher Justin Drake on August 13, closes eight years of work. The conclusion is clear: specialized hashes are no longer needed to make the network cryptographic tests efficient. Why Ethereum leaves Poseidon A hash fu…

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BITRSS broke the news on Thursday, August 13, 2026.
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