Sobre esta extensión

An Ethereum Wallet in your Browser
MetaMask is an extension for accessing Ethereum enabled distributed applications, or "Dapps" in your browser!

Watch an introductory video here.

The extension injects the Ethereum web3 API into every website's javascript context, so that dapps can read from the blockchain.

MetaMask also lets the user create and manage their own identities (via private keys, local client wallet and hardware wallets like Trezor™), so when a Dapp wants to perform a transaction and write to the blockchain, the user gets a secure interface to review the transaction, before approving or rejecting it.

Because it adds functionality to the normal browser context, MetaMask requires the permission to read and write to any webpage. You can always "view the source" of MetaMask the way you do any Chrome extension, or view the source code on Github:
https://github.com/MetaMask/metamask-plugin

Enables access to:
Web 3.0
Dapps
NFTs
erc20
tokens
ICOs
erc721
NFTs
ERC 1155
...and more!

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Si crees que este complemento viola las políticas de complementos de Mozilla o tiene problemas de seguridad o privacidad, por favor informa a Mozilla utilizando este formulario.

Por favor, no utilices este formulario para informar de fallos en el complemento o solicitar nuevas funcionalidades; este informe se enviará a Mozilla y no al desarrollador del complemento.

Notas de prensa para 10.25.0

### Added
- Add new app translations ([#15999](https://github.com/MetaMask/metamask-extension/pull/15999))
- Add Celo to the popular custom network list ([#16745](https://github.com/MetaMask/metamask-extension/pull/16745))
- [FLASK] Add markdown formatting capabilities for Snaps UI ([#16911](https://github.com/MetaMask/metamask-extension/pull/16911))
- [FLASK] Add basic renderer for Snaps UI ([#16605](https://github.com/MetaMask/metamask-extension/pull/16605))

### Changed
- No longer displaying warning upon switching networks when there are no pending confirmations ([#17179](https://github.com/MetaMask/metamask-extension/pull/17179))
- Remove 'Verify contract details' link on Signature Request screen when there is no verifying contract ([#17128](https://github.com/MetaMask/metamask-extension/pull/17128))
- Show portfolio tooltip when "Protect your funds" popover is not on screen ([#17084](https://github.com/MetaMask/metamask-extension/pull/17084))
- Set default theme to dark when system preferred theme is set to dark ([#15870](https://github.com/MetaMask/metamask-extension/pull/15870))
- Require a username when adding a new contact to the address book ([#17044](https://github.com/MetaMask/metamask-extension/pull/17044))
- Update styles for "Transaction security check" toggle in settings ([#16830](https://github.com/MetaMask/metamask-extension/pull/16830))
- Display set block explorer in copy on transaction completion popup ([#16300](https://github.com/MetaMask/metamask-extension/pull/16300))
- Updating text colors for Sepolia and Goerli networks ([#16928](https://github.com/MetaMask/metamask-extension/pull/16928))
- Include L1 fees for quotes on Optimism ([#16998](https://github.com/MetaMask/metamask-extension/pull/16998))
- Factor in Optimism's L1 fees in to fee total for approval transactions ([#16929](https://github.com/MetaMask/metamask-extension/pull/16929))
- Remove New Address Alert in send transaction flow ([#14811](https://github.com/MetaMask/metamask-extension/pull/14811))
- Allow submissions of transactions with a gas or priority fee of 0 ([#16651](https://github.com/MetaMask/metamask-extension/pull/16651))
- Disable eth_sign by default, allow users to toggle it back on ([#17308](https://github.com/MetaMask/metamask-extension/pull/17308))
- [FLASK] Use custom UI for transaction insights ([#16912](https://github.com/MetaMask/metamask-extension/pull/16912))
- [FLASK] Use custom UI dialogs ([#16912](https://github.com/MetaMask/metamask-extension/pull/16912))

### Fixed
- Fix tab redirect issue when a non-English language is set ([#17155](https://github.com/MetaMask/metamask-extension/pull/17155))
- Fix duplicate gas fee estimate displayed on testnets ([#17207](https://github.com/MetaMask/metamask-extension/pull/17207))
- Fix app-breaking error when an alphabetical character is entered in the spending cap fi

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