Ethereum Submits Post-Quantum Ready Deposit Contract EIP Proposal
According to GitHub, Ethereum developer kevaundray has submitted a post-quantum ready deposit contract proposal, suggesting the addition of quantum attack resistance capabilities to the validator deposit contract.
The proposal aims to support variable-length validator deposits and introduce an irreversible BLS exit mode. It is currently in draft stage, with EIP number assigned as 8394, pending editor review.
kevaundray stated in comments that feedback on EIP-7251, 8282, and 7002 is awaited to determine the final plan. The proposal aims to make the deposit contract forward-compatible, capable of carrying larger or different post-quantum credentials.
This EIP does not immediately activate the new credential scheme; future forks may permanently retire BLS deposits through system calls.
Driven by events, Ethereum core development accelerates post-quantum security preparations, with funds and development resources flowing towards cryptographic upgrades. Beneficiaries are long-term network security, while the burden falls on validators relying on current BLS facing migration costs.
Source: Public Information
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The Ethereum Foundation has formed a dedicated post-quantum security team, aiming for comprehensive protection by around 2029. Current BLS signatures are seen as potential threats from quantum computers, and the fixed size of deposit contracts limits the introduction of post-quantum credentials.
On the capital path, developers are promoting coordination upgrades between the execution layer and consensus layer through the EIP process, shifting resources from existing mechanisms to variable length and scheme identification design. The motivation is to lay out plans in advance to avoid emergency hard forks when quantum breakthroughs occur, while maintaining compatibility with existing EIPs.
Similar to account abstraction and other cryptographic upgrade paths; currently in the transition phase from research to formal proposal.
Essentially, this is a technological substitution. The migration from classical cryptography to post-quantum cryptography is based on achieving credential scheme scalability through new deposit contracts, allowing the network to smoothly retire BLS in future forks, ensuring long-term consensus security.
ABAB News · Cognitive Law
- Quantum threat forces early planning
- Variable length unlocks future credentials
- Draft feedback determines final form