L1 Batch #17,866

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Batch Overview

Batch Number ?

#17,866

Status ?

Finalized on Ethereum

L1 Transaction ?

0xcb57210ac2…64f2f32db8 ↗

L1 Block ?

25,519,964 ↗

Age ?

1 day ago · Sun, 12 Jul 2026 23:55:23 UTC

Batch Poster ?

0xdaa5…87f4

Data Availability ?

Blob (EIP-4844)164 bytes calldata

L2 Block Range ?

8,215,924 → 8,216,198 · 275 blocks

L2 Transactions ?

3,183

Sequencer batches are how Robinhood Chain (an Arbitrum Nitro L2) commits its transaction data to Ethereum L1. Each batch bundles a contiguous range of L2 blocks and posts them — as EIP-4844 blobs — in a single L1 transaction, giving those L2 blocks Ethereum-grade data availability and, once final, Ethereum-grade finality.