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Learn the basics of blockchains and Ethereum (miners and validators, gas, cryptocurrencies and NFTs, block explorer, networks, etc.)

New to web3 and crypto? Learn more here!

MetaMask is a self-custodial wallet

What does self-custodial mean, and why does it matter?

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Can I import my Coinbase Wallet account to MetaMask?

Have a Coinbase Wallet? Learn how to import it into MetaMask.

Can I use MetaMask in my country?

By essence, anyone in any country in the world can use MetaMask.

The Ethereum address format and why it matters when using MetaMask

What 0x means, and why you should look for it.

O que são contas importadas?

Contas Importadas são contas que você importa usando uma sequência de chave privada ou um arquivo de chave privada JSON e que não foram criadas com a mesma Frase de Recuperação Secreta que a sua carteira.

What is a browser extension, and why is MetaMask one?

More than a wallet -- how MetaMask connects you to web3.

O que é uma 'Frase de Recuperação Secreta' e como manter a sua carteira de criptomoedas segura

Ainda descobrindo criptos e a web3?

What is a signature in MetaMask?

What a signature is and why it matters.

What's the difference between a wallet and an account?

Across this support page, we refer to your wallet and account(s) as separate items.

Why am I being asked to connect to a dapp?

For an intro to all things dapps, see our user guide here.

Why does MetaMask need permission to modify data on all web pages?

Browsers don't offer any other way to open up a channel of communication between MetaMask and the webpage. Learn more here.

Will MetaMask ever ask me to verify my account?

Short answer: definitely not.