Base Block Explorer
Explore Base, the Coinbase-incubated Ethereum Layer 2.
Alltoscan is a Base block explorer for addresses, transactions, blocks, and tokens on chain ID 8453, the Coinbase-incubated Ethereum Layer 2 that uses ETH for gas. Search any wallet for its balance and on-chain activity.
Base assets often bridge from Ethereum, and Alltoscan’s multichain view lets you trace them across all nine supported networks.
Chain ID: 8453Native token: ETHSymbol: BASE
What you can do with the Base explorer
- Look up any Base wallet address to see its ETH balance, token holdings, and transaction history.
- Inspect a transaction by hash to view its status, value, sender, recipient, and fees.
- Browse blocks on Base and the transactions they contain.
- Open a token page to review its details and holders.
- Track the same address across all nine chains Alltoscan supports, not just Base.
Base explorer FAQ
What is Base's chain ID?
Base mainnet uses chain ID 8453 and ETH as its native gas token.
Who built Base?
Base is an Ethereum Layer 2 incubated by Coinbase, built on the OP Stack.
Can I check token balances on Base?
Yes. Open a Base address on Alltoscan to see its ETH and token holdings with full history.
Is Alltoscan free for Base?
Yes, searching Base data is free and requires no account.