# What is Etherscan?

Etherscan is a blockchain explorer that allows you to view transaction history, smart contract code, and other information on the Ethereum blockchain.

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## How to use

* To use Etherscan, navigate to the website (<https://etherscan.io/>) and enter the address of the smart contract or wallet that you want to view information for.

{% hint style="info" %}

```
Every Chain has its own "Etherscan" for mainnet and testnet, for example 
Polygon has https://polygonscan.com/
```

{% endhint %}

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* You can view the transaction history, view the smart contract code and even see the analytics of the contract such as the number of transactions, holders and more.