Home/Etherscan
Ethereum Blockchain Explorer

Etherscan — Ethereum's Blockchain Explorer

Search any Ethereum transaction, wallet address, or smart contract. 3.14B+ transactions indexed, 6 million monthly users, real-time gas tracker. Free and requires no account.

// ethereum.stats
Total Transactions3.14B+
Total Addresses362M+
Daily Transactions~1.55M / day
Active Addresses618,000+
Monthly Visitors~6M
ETH Market Cap$363B+
DeFi TVL (ETH)$97B+
Etherscan CostFree
About

Etherscan

Etherscan is the most widely used blockchain explorer for the Ethereum network. Think of it as a search engine for the Ethereum blockchain — a tool that makes all on-chain data publicly readable and searchable. Every transaction ever executed on Ethereum, every wallet balance, every smart contract, and every token is indexed and accessible through Etherscan's interface at etherscan.io.

With approximately 6 million monthly visitors and 3.14 billion total transactions indexed, Etherscan is one of the most visited blockchain data platforms in the world. It is entirely free to use with no account required. Its core tools include: transaction lookup (verify any Ethereum transaction by hash), wallet address lookup (check any address's balance and history), Gas Tracker (real-time Ethereum gas fee recommendations), smart contract explorer (view, verify, and interact with Ethereum smart contracts), and comprehensive token analytics for ERC-20 tokens and NFTs.

// etherscan.facts
TypeBlockchain Explorer
ChainEthereum (+ L2s)
CostFree
Total Txns Indexed3.14B+
Daily Txns~1.55M
Monthly Visitors~6M
Gas TrackerReal-time
Contract VerifyYes (free)
ERC-20 TokensAll indexed
API AccessFree + Pro tiers
Features

What You Can Do with Etherscan

The most complete Ethereum blockchain explorer — transactions, wallets, tokens, contracts, gas, and analytics all in one place.

🔍
Transaction Lookup
[01]
Paste any transaction hash (TXID) to see status, gas paid, sender, recipient, and confirmed block.
👛
Wallet Address Lookup
[02]
Enter any Ethereum address to view current ETH balance, all tokens, and complete transaction history.
Gas Tracker
[03]
Real-time gas fee recommendations (slow/standard/fast) to optimize transaction cost timing.
📋
Smart Contract Explorer
[04]
Read verified contract code, ABI, and interact with contracts directly through Etherscan\'s interface.
🪙
Token Tracker
[05]
Every ERC-20 token on Ethereum — supply, holders, transfers, and contract details.
🖼️
NFT Tracker
[06]
Browse NFT collection data, token IDs, ownership history, and contract verification status.
📊
Network Analytics
[07]
Daily transaction charts, active addresses, gas usage trends, and Ethereum network statistics.
🔔
Address Watchlist
[08]
Monitor specific wallets and receive email alerts when they send or receive transactions (free account).
🔗
API Access
[09]
Developer API for querying Ethereum data — free tier available, Pro tier for high-volume queries.
Guide

How to Use Etherscan

Etherscan requires no account or login — just visit etherscan.io and start exploring.

01

Go to etherscan

io. No account needed — the full explorer is accessible immediately.

02

Search for Anything

In the search bar, enter a transaction hash, wallet address, block number, token contract address, or ENS name.

03

Read Transaction Details

For transactions: status (success/fail), block number, timestamp, from/to addresses, value transferred, gas used, and gas price.

04

Explore a Wallet

For addresses: ETH balance, token holdings, all transactions sorted by time, internal transactions, and token transfers.

05

Check Gas Before Transacting

Use the Gas Tracker (accessible from the main navigation) to see current gas prices and choose the right fee for your urgency.

Explore the Ethereum Blockchain

Free, no account required. Search any transaction, wallet, or contract on Ethereum right now.

Open Etherscan →
FAQ

Questions About Etherscan

What is Etherscan?
+
Etherscan is a blockchain explorer for Ethereum — a website that indexes and makes searchable all data on the Ethereum blockchain. You can look up any transaction, wallet address, smart contract, or token. It is like a Google for Ethereum data.
Is Etherscan free?
+
Yes. Etherscan\'s core features (transaction lookup, wallet lookup, gas tracker, token explorer, smart contract verification) are completely free with no account required. An optional Pro tier is available for developers needing higher API rate limits.
Do I need an account to use Etherscan?
+
No account is required for searching transactions, wallets, or contracts. A free account is required only for optional features like the address watchlist (email alerts for specific wallets) and API key access.
Can Etherscan see my private key?
+
No. Etherscan is a read-only data display tool. It reads public blockchain data only — it has no access to your private keys or wallet credentials. Only public transaction data visible on the blockchain is shown.
Does Etherscan work for L2 networks like Arbitrum or Base?
+
The main etherscan.io covers Ethereum mainnet. Separate Etherscan-powered explorers exist for L2s: Arbiscan for Arbitrum, BaseScan for Base, and Optimistic.Etherscan for Optimism — all built by the same Etherscan team.
Reviews

What Users Say

Ethereum Developer
★★★★★

"Etherscan is the first tab I open for any on-chain debugging. The contract verification system, ABI reading, and event log display are indispensable. No competing explorer matches the depth of Ethereum-specific tooling."

DeFi Trader
★★★★★

"I check Etherscan before interacting with any unfamiliar contract. Verified source code, audit links, and the deployer address history give me the context I need to assess risk. Gas tracker saves me money every week."

Crypto Beginner
★★★★☆

"More information than I initially knew what to do with, but the transaction lookup is incredibly useful for verifying my transfers. Being able to see exactly when my Coinbase withdrawal confirmed on-chain is something I use constantly."

The Source of Truth for Ethereum

3.14B+ transactions indexed. Any wallet, any contract, any token — searchable in seconds.

Search Etherscan →