ethereum-optimism / ethereum-optimism/optimism

[Research] Modular PQC Batcher Overlay: Mitigating HNDL Risks with <12ms Latency

Open
#20,802 0 comments 0 reactions 0 assignees View on GitHub
Dominant language
Go
Stars
6.5k
Forks
4k
Avg merge
2d 38m
Merged PRs (30d)
164

Description

As the Superchain scales towards Giga-gas throughput, the exposure to "Harvest Now, Decrypt Later" (HNDL) attacks on batch data increases. Standard PQC implementations often introduce unacceptable latency (>40ms) for high-performance L2s.
Proposal (Qubex Sentinel v9.0):
We have developed and benchmarked a modular PQC "Quantum Seal" that injects at the Batch Submission Pipeline level. By decoupling the cryptographic primitives from the execution layer, we’ve achieved a sub-12ms overhead, ensuring zero-impact on sequencer throughput.
Key Technical Specs:
Integration: Modular wrapper for L2ToL2CrossDomainMessenger.
Performance: Tested against $10.5B simulated TVL (Chaos Engine v8.0).
Compatibility: Fully compliant with the current OP Stack fault-proof derivation logic.
We are looking for feedback from the @ethereum-optimism/protocol-team regarding the integration of such PQC predeploys within the native interoperability roadmap.
Full technical brief: qubexsentinel.com/briefing

Contributor guide

Open the contributing guide

Assessment

This issue has not been assessed yet.

Get new issues in your inbox

A short digest of beginner-friendly GitHub issues.