Ethereum researchers are proposing a major change to the network’s development priorities, stepping away from plans to introduce faster block production in favor of accelerating protections against quantum computing and artificial intelligence threats.
Research group Ethlabs announced that it would withdraw its Quick Slots proposal from Ethereum’s planned Hegotá upgrade, redirecting its resources toward a new security roadmap called pqai27. The initiative aims to make Ethereum’s core infrastructure and user accounts more resistant to emerging cryptographic threats by 2027.
The proposal reflects growing concerns that advances in quantum computing and AI could eventually undermine the cryptographic systems protecting digital assets. Although no existing quantum computer can currently break Ethereum’s security, researchers argue that replacing the network’s underlying cryptography could take years.
Ethlabs Withdraws Faster Block Proposal to Prioritize Security
Ethlabs had previously supported EIP-8198, known as Quick Slots, which would reduce Ethereum’s block production interval from 12 seconds to 10 seconds.
The proposal was intended to make transactions confirm more quickly and improve the network’s overall performance. However, the research group now believes that preparing Ethereum for future cryptographic threats should take priority over performance improvements.
The group also addressed FOCIL, a planned feature designed to strengthen censorship resistance by making it harder for block producers to exclude valid transactions. Ethlabs said the feature should proceed only if its development does not interfere with the proposed quantum-security timeline.
Meanwhile, Frame Transactions, known as EIP-8141, would remain a central part of the plan. The technology could allow Ethereum accounts to use more flexible authentication methods, including alternative signatures designed to withstand quantum attacks.
New Roadmap Targets Quantum-Ready Ethereum by 2027
The pqai27 proposal focuses on two potential sources of risk: quantum computers capable of breaking existing cryptographic systems and increasingly advanced AI models that could identify weaknesses in software or mathematical algorithms.
Ethlabs argues that AI could make vulnerability discovery more efficient, potentially exposing weaknesses in blockchain infrastructure before the industry has completed its security upgrades.
The proposal divides the transition into two stages.
Achieving this would require additional developments, including post-quantum signature aggregation and improved data-availability technology.
Ethlabs acknowledges that the second stage presents a more ambitious engineering challenge, but wants developers to begin coordinating the necessary work rather than postpone it until the threat becomes more immediate.
Ethereum’s Official Quantum Deadline Remains 2029
The proposed timeline is considerably more aggressive than the Ethereum Foundation’s existing security roadmap.
In September, the Foundation established December 2029 as its target for making Ethereum’s execution, consensus, and data layers resistant to quantum attacks. The roadmap includes changes to account signatures, validator authentication, and other cryptographic components.
The urgency comes from the possibility that sufficiently powerful quantum computers could eventually derive private keys from exposed public keys, potentially allowing attackers to authorize transactions and steal assets. AI introduces a separate concern by potentially accelerating the discovery of software and cryptographic vulnerabilities.
Neither threat represents an immediate ability to break Ethereum today. However, migrating an established blockchain, its wallets, and its validator infrastructure requires extensive testing and coordination.
Ethereum Faces a Race Between Performance and Security
Ethlabs’ proposal highlights a growing debate over how Ethereum should allocate development resources as the network prepares for future technological threats.
Prioritizing quantum resistance could require developers to postpone performance improvements and reconsider features already planned for upcoming upgrades. At the same time, delaying cryptographic changes could leave less time for wallet providers, validators, and users to complete the transition.
Will Ethereum developers support Ethlabs’ accelerated quantum-security roadmap? And could the growing capabilities of AI make post-quantum protection a more urgent priority for the entire crypto industry?
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