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Ethereum 2029 quantum security roadmap stories

Sep 7, 2026

Ethereum Foundation sets December 2029 deadline for quantum-resistant network upgrade

The Ethereum Foundation has made quantum resistance its top priority, establishing December 2029 as a fixed deadline to protect the network's execution, consensus, and data layers before quantum computers could break current cryptography. The timeline is now constraining which features can be included in upcoming upgrades, including the Hegotá upgrade.

Sep 7, 2026·14 sources
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Top claims

  • ▪Reaching full quantum resistance by December 2029 from the late 2026 Glamsterdam upgrade requires shipping five subsequent hard forks at an aggressive average cadence of 7.2 months per fork.
  • ▪Frame Transactions (EIP-8141) introduces native account abstraction to Ethereum by splitting a transaction into programmable frames for validation, gas payment, and execution.
  • ▪According to Project Eleven, approximately 65% of all ETH currently resides in addresses that are vulnerable to quantum-computing attacks.

Subtopics

Ethereum upgradesEthereum FoundationEthereum securityBlockchain quantum resistanceCryptography & hashing

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