BaseScan

Users input a wallet address, transaction hash, block number, or token/contract address into the global search bar.

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What is BaseScan?

BaseScan brings together token tracker (erc-20) and smart contract tools. Lists token contracts, market metrics, circulating market caps, holders, and transfer volumes. Includes a Code Reader, Contract Verifier, Contract Diff Checker, and Bytecode-to-Opcode tools.

Its documented workflow includes: Users can optionally register a free account on the platform to access features like private name tags, address watchlists, and transaction private notes. Basic block explorer features, transaction lookups, token tracking, and contract reading require no authentication or login. The interface decodes raw blockchain data into human-readable information, displaying states such as balances, token holdings, event logs, gas fees, and L1 data fees. The platform documentation describes wallet access this way: *"Please DO NOT store any passwords or private keys here"*.

Official resources

Supported networks

  • Base

BaseScan features

Token Tracker (ERC-20)

Lists token contracts, market metrics, circulating market caps, holders, and transfer volumes.

Smart Contract Tools

Includes a Code Reader, Contract Verifier, Contract Diff Checker, and Bytecode-to-Opcode tools.

Data Services

Token Approvals checker, Unit Converter, Gas Tracker, Input Data Decoder, and CSV data exports.

API Access

Exposes the Etherscan-compatible V2 API for querying balances, transactions, logs, and token transfers programmatically.

How to use BaseScan

  1. Account Creation

    Users can optionally register a free account on the platform to access features like private name tags, address watchlists, and transaction private notes.

  2. Access Model

    Basic block explorer features, transaction lookups, token tracking, and contract reading require no authentication or login.

  3. Inspection & Verification

    The interface decodes raw blockchain data into human-readable information, displaying states such as balances, token holdings, event logs, gas fees, and L1 data fees.

Who is BaseScan for?

BaseScan is suited to users looking for token tracker (erc-20) and smart contract tools on Base Mainnet (Chain ID. Its documented workflow includes wallet funding and balance management.

Before you use it

  • Official guidance notes that the presence of an address, token label, or verified contract on BaseScan does not signify safety, endorsement, or trustworthiness—it only proves public on-chain visibility.
  • The platform warns users never to input seed phrases, private keys, or passwords into text fields, notes, or tags on the explorer interface.

BaseScan FAQ