rollup.report
Arbitrum · batch cadence 2.6s Optimism · sequencer margin softening Base · calldata rain light zkSync Era · proof queue clear Starknet · validity weather steady Scroll · bridge traffic rising Linea · finality horizon amber Arbitrum · batch cadence 2.6s Optimism · sequencer margin softening Base · calldata rain light zkSync Era · proof queue clear Starknet · validity weather steady

Evening observatory for L2 weather

Rollup metrics seen through rain-streaked glass.

A quiet report on throughput, fees, bridges, finality, and security across the metropolitan skyline of Ethereum scaling.

01 · Overview

Layer-two data as urban weather.

Rollups bundle transactions away from the main avenue of Ethereum, then return compressed evidence to the base layer. The result is speed without abandoning the city beneath.

This report treats each network as a lit tower in the dusk: visible by cadence, cost, proof rhythm, bridge depth, and the soft glow of operational trust.

02 · Throughput

The pulse of sequenced streets.

Throughput is more than transactions per second. It is the visible rhythm of demand, compression, congestion, and operator judgment moving through an elevated rail.

Some systems race with dense blockspace. Others keep deliberate timing so composability remains intact. In the rainfall of blocks, cadence becomes character.

03 · Fees

Costs condensed into amber windows.

Fees expose the economics of compression: execution, data posting, congestion, and margin all reflected in a small number paid by the user.

When calldata rain lightens, the towers brighten. When demand thickens, the glass fogs. The useful report is the one that shows both the price and its weather.

04 · Cross-chain

Bridges between illuminated roofs.

Bridges move assets between rollups and Ethereum, joining separate observation decks with corridors of liquidity and risk.

Every route has its own structure: canonical withdrawals, fast liquidity providers, messaging layers, and the unglamorous maintenance that keeps the crossing open.

05 · Finality

The horizon where a transaction settles.

Finality describes the moment uncertainty stops drifting. Validity proofs, optimistic challenge periods, and settlement windows all draw different horizons.

For users, finality is felt as patience or immediacy. For protocols, it determines how safely value can move through the evening.

06 · Security

Trust assumptions behind the glass.

Rollups inherit Ethereum while adding their own mechanisms: proving systems, validator responsibilities, upgrade keys, data availability, and governance.

The security model is therefore layered like reflections in a wet window. The base city matters, but so does the pane through which it is seen.

07 · Outlook

A skyline still learning its shape.

Proof systems improve, data availability broadens, and shared sequencing experiments invite new patterns of interoperability.

The observatory does not predict loudly. It records the accumulation of signs until the city clarifies: one batch, one bridge, one glowing window at a time.

The data arrives like weather — observable, ambient, beautiful in its inevitability.