# Metamask Extension

<img src="/files/BXgQV4X4M4D5tN5fPq6b" alt="" class="gitbook-drawing">

## What is MetaMask?&#x20;

MetaMask is a browser plugin that functions as an Ethereum wallet, is simple to install, and doesn’t require any additional plug-ins. It’s compatible with all major browsers, including Chrome and Firefox. When it’s installed, users can view their Ethereum address and send/receive ETH or tokens to/from any other Ethereum address. By connecting to Ethereum-based dApps, users of the metamask wallet can stake their coins on gambling sites or trade them on decentralized exchanges (DEXs). MetaMask also gives users access to the DeFi ecosystem and allows them to participate in projects such as Compound and PoolTogether.

In addition, since the MetaMask wallet works with most browsers, including Chrome, Firefox, and Safari, it’s easier for developers to create new applications that will be compatible with those browsers. By simplifying the process for developers, the MetaMask wallet is playing an important role in the dApp ecosystem by making it easier for people to access dApps.


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# Agent Instructions: Querying This Documentation

If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://metaexton.gitbook.io/us/metamask-extension.md?ask=<question>
```

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The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.