Skip to content

Etherscan

Ethereum blockchain explorer and analytics.

Not yet verified
Demo online
MIT

Open the official app on etherscan.io

This tool is hosted by its maintainers. Click below to open etherscan.io in a new tab — it's their official demo.

Browse developer tools →

What's next with Etherscan?

Choose how you want to get started.

Use it free

Open the official tool or demo — no account needed.

Free

Self-host it

Run the open-source version on your own infrastructure.

Open

What is Etherscan?

Etherscan is an open-source web tool designed to interact with the Ethereum blockchain, providing users with transparent access to transaction data, smart contract details, and network activity. It serves as a decentralized ledger explorer, enabling users to verify transactions, monitor block confirmations, and analyze on-chain activity. Developers, researchers, and investors leverage Etherscan to audit smart contracts, track token transfers, and debug blockchain interactions. The tool addresses the challenge of accessing Ethereum's immutable data in a user-friendly format, eliminating the need for complex blockchain protocols or local node setups. By offering real-time insights into Ethereum's decentralized network, Etherscan enhances trust and accountability in blockchain operations.

How it works

Etherscan functions as a blockchain browser for Ethereum, allowing users to search for transactions, addresses, blocks, and smart contracts. It deciphers complex blockchain data into readable formats, making it accessible to non-technical users. The tool's primary purpose is to provide transparency and verification capabilities for Ethereum network activities, ensuring users can confirm transaction validity, track token movements, and validate smart contract executions. Etherscan enables users to lookup transaction hashes, analyze address balances, and inspect smart contract code. For example, a user can verify a token transfer by entering a transaction hash, which reveals sender, receiver, and asset details. It also supports contract interaction, allowing users to view function calls and event logs from deployed smart contracts.

How to use it

  1. 1Navigate to Etherscan's website and enter a transaction hash, address, or block number in the search bar. 2. Review the results to access detailed transaction metadata, including sender/receiver addresses, gas fees, and timestamps. 3. For smart contracts, click 'Contract' to view source code, function signatures, and interaction logs. 4. Use filters to sort transactions by date, value, or gas cost. Practical tips include using the 'Token Transfers' tab to track specific asset movements or the 'Internal Transactions' feature to uncover hidden transfers between contract addresses.

What it can do

  • eth explorer

Use cases

Assumptions and limitations

Assumptions

  • source: https://etherscan.io/
  • license: Open source
  • privacy: Opens an external demo

Limitations

  • Limited support for non-Ethereum blockchains, as it is specifically tailored to Ethereum.
  • Data is subject to network latency, which may delay real-time updates for recent transactions.
  • Advanced users may find the interface overwhelming due to the volume of available data.
  • No built-in alert system for monitoring specific addresses or transaction patterns.
  • Privacy-conscious users may prefer tools with enhanced anonymity features.

Understanding the result

Ethereum blockchain explorer and analytics.

Tool details

  • Clearly flagged when a network request is needed.
  • No account, no sign-up, and no tracking of your content.
  • Powered by (MIT).
Built with
(https://etherscan.io/)
License
MIT
Runs locally
No — requires a network request
Verification
Not yet verified
Input
Query
Output
Text
Open-source source & license

Built with https://etherscan.io/. OpenToolVault provides the discovery and browser interface while crediting the original project maintainers.

Built with
License
MIT
View source on GitHub

Open-source project

OpenToolVault is an independent directory. We are not affiliated with or endorsed by this project.

References

Frequently asked

What is Etherscan used for?

Etherscan is used to explore and verify Ethereum blockchain data, including transactions, addresses, blocks, and smart contracts. It allows users to confirm transaction validity, track token transfers, and audit decentralized applications (dApps).

How does Etherscan interact with the Ethereum blockchain?

Etherscan indexes Ethereum's public ledger by querying nodes across the network. It parses transaction data, smart contract code, and event logs to present structured information to users. This process relies on Ethereum's decentralized infrastructure without maintaining a private node.

How do I check if a transaction has been confirmed?

Enter the transaction hash into Etherscan's search bar. If confirmed, the tool will display the number of confirmations, recipient address, and gas fee details. Unconfirmed transactions will show as pending with an estimated confirmation time.

How does Etherscan compare to Blockchain.com?

Etherscan specializes in Ethereum blockchain data, offering advanced smart contract analysis and dApp statistics. Blockchain.com focuses on Bitcoin and other cryptocurrencies, with limited support for Ethereum-specific tools like contract verification or token transfer tracking.

What should I do if Etherscan returns a 404 error?

Verify the transaction hash or address for typos. If the data is recent, wait a few minutes for network propagation. Ensure you're using the correct network (e.g., mainnet vs. testnet). If the issue persists, check the Ethereum blockchain explorer's status page for outages.

Spotted something wrong with Etherscan, or want to maintain it? See how to help.