→ on-chain data

Chain data.

Live data from Ethereum, Polygon, Arbitrum, BSC, and Optimism. Block details, gas, supply, and wallet balance lookup. Switch chains to compare — the URL updates so you can bookmark or share.

viewing chain

ethereum supply

ETH total supply

Circulating ETH, ETH2 staking rewards, EIP-1559 burnt fees, and total withdrawn from the Beacon Chain.

Total supply

Staking

Burnt fees

From beacon chain

latest block

Block data

Latest block on this chain — number, timestamp, transaction count, miner.

Block number25329711

TimestampJun-16-2026 11:13:59 AM+UTC

Transactions230

Miner0x4838...5f97

Block size31336664 bytes

gas

Gas usage

Gas spent in the last block, percentage of the limit, and burnt fees.

Block number25329711

TimestampJun-16-2026 11:13:59 AM+UTC

Gas used31336664

% of limit52.23%

Burnt fees0.003347795434374856 ETH

wallet lookup

Wallet balance

Paste any address to see native-currency balances across supported chains.

Enter a valid address to see balances.

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What does this data mean?

On-chain data tells you how a chain is performing — how busy it is, how much fees cost, how supply changes over time. The cards above query Ethereum, Polygon, Arbitrum, BSC, and Optimism in real time so you can compare them.

block data

Each block records a batch of transactions. Block number, timestamp, miner, transaction count, and size let you spot how different chains process activity at different speeds.

gas usage

Gas measures how much computation a block consumed. Comparing usage across networks shows the efficiency gains of L2 scaling solutions and the differences between EIP-1559 and alternative fee models.

eth supply

Total ETH in circulation, with a breakdown of staking rewards, EIP-1559 burnt fees, and beacon-chain withdrawals. Ethereum mainnet only.

Educational and research use only — not investment advice. Block data is queried live; ETH supply data is provided by Etherscan.

kpis

Blockchain KPIs

Network performance, security, and activity metrics — what they measure and why they matter.

Open

tool

Unit converter

Convert between Wei, Gwei, and Ether. Quick lookups for gas math and value calculations.

Open

tools

Tools & resources

Curated dev tools, APIs, and platforms I use for Web3 and full-stack work.

Open

Structured overview for LLMs and search: llms.txt