Blobs and data availability

Ethlabs week 15: Quick Slots moved to Considered for Inclusion, FCR live with Chainlink

Ethereum's applied research team updates its progress on protocol scaling, account abstraction, and data availability work shaping the next forks.

EIP-8142 (Block-in-Blobs) declined for Hegota

The proposal to ensure execution payload data availability via blobs was not selected for the next upgrade.

Ethlabs week 13: L1 ecosystem survey, blob scaling, native AA migration paths

The Ethereum Foundation's research group surveys Quick Slots throughput gains, L2 blob demand curves, and concrete account abstraction migration strategies as core scaling work accelerates.

ACDT #97: Sepolia Glamsterdam fork confirmed for October 6, EIP-8142 withdrawn for EIP-8411, BAL window unresolved

The All Core Devs Testing (ACDT) call confirmed Sepolia's Glamsterdam fork for October 6, discussed withdrawing EIP-8142 (Block-in-Blobs) in favor of EIP-8411 (Fast Execution Payload Broadcast), and left the block-serving window size undecided.

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EIP-7999 dynamic fee market simulation binds data costs to execution clearing

A researcher funded by the Ethereum Foundation models how bundled fees for blobs and execution interact at the market boundary, advancing fee-market theory for future upgrades.

Forkcast tracks Ethereum devnets, public networks, and fork schedules

A unified dashboard consolidating Ethereum's testnet roadmap, blob schedules, chain IDs, and per-devnet EIP coverage helps developers coordinate across the upgrade timeline.

P2P Networking #8: RowDAS row reconstruction, Fast Payload Broadcast via EIP-8411, Ethp2p progress

Core developers finalized row-based data availability sampling to cut per-node CPU by two orders of magnitude, and advanced fast payload broadcast and IPv6 support across clients.

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EIP-8094 (eth/vhash, Blob-Aware Mempool) Declined for Hegota

A mempool upgrade to track blob commitments was deferred because Hegota's protocol changes are already finalized.

RPC Standards #34: eth_simulateV1 Amsterdam update blocked on slot and blob field fixes

Multiple RPC specification pull requests remain blocked on client implementation mismatches and unreviewed changes, delaying the v1.0.0-beta.8 release until Amsterdam spec work completes.

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Robinhood Chain blob submission to Ethereum stalled for 14 minutes on September 4

An L2's blob posting to Ethereum failed twice in rapid succession, causing its transaction data to briefly vanish from the chain, the outage points to volatility in blob pricing and supply.

EIP-8371 RowDAS quantifies distributed blob reconstruction scaling for PeerDAS

A collaborative research post measures how RowDAS improves reconstruction efficiency in the peer data availability sampling design, addressing the scaling limits that single-node reconstruction would create.

Ethrex v26.0.0 ships database migration, EIP-8070 sparse blobpool, Platåberget testnet

Ethrex's latest release requires a one-way schema upgrade and adds blob pool optimization for Glamsterdam, marking progress toward stateless validator compatibility.

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Ag^τ semantic compression engine proposes 4x calldata reduction for Optimism rollups

A builder proposes a compression system to cut L1 data availability costs, the primary scaling bottleneck for Optimism and EVM rollups.

Formally verified security proof for post-quantum data availability sampling in Lean

A formal security proof for quantum-resistant data availability sampling demonstrates how mathematical verification can strengthen protocol design against future threats.

EVM gas accounting and censorship resistance in EIP-7999 multidimensional fee market

EIP-7999 separates data pricing from execution, with inclusion lists capped at 8 KiB to prevent builders from censoring transactions when data resources fill.

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