Ethereum Publishes Drafts for Post-Quantum Data Verification and Variable Blob Size
Original headline이더리움, 양자내성 데이터 검증·가변 블롭 초안 공개
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Ethereum Foundation researcher Francesco Risitano has published draft EIPs replacing PeerDAS's KZG commitments and proofs with per-blob Keccak-256 Merkle commitments and authentication paths, eliminating trusted setup procedures and adding post-quantum resistance to data availability verification. PeerDAS, the sampling technique that lets nodes verify blob availability by checking fragments rather than downloading full blobs, currently relies on KZG proofs to confirm fragments belong to original blobs. The drafts also propose adjustable blob sizes for rollups, giving scaling flexibility to L2s like Arbitrum, Optimism, and Base that depend on blob space for data posting. The changes matter because KZG's trusted setup and lattice-based cryptography assumptions are seen as vulnerabilities ahead of quantum computing advances, and removing them hardens Ethereum's data availability layer as blob throughput scales. Watch for community review and whether the proposals advance through Ethereum's EIP process toward inclusion in future hard fork planning, such as Glamsterdam.
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Named in this story
PeerDAS, Ethereum Foundation, Francesco Risitano, KZG