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MetaMask Flask is a distribution channel of the MetaMask extension for developers that gives them access to additional unstable APIs. The goal of Flask is to maximize developer control, so that we can learn the full extent of what developers want to do with MetaMask, and later incorporate those lessons into the main MetaMask distribution.

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

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-extension
Enables access to:
Web 3.0
Dapps
NFTs
erc20
tokens
ICOs
erc271
...and more!

Betygsätt din upplevelse

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Versionsfakta för 12.1.1flask0

## [12.1.1]
### Changed
- Update Polygon from MATIC to POL ([#26671](https://github.com/MetaMask/metamask-extension/pull/26671))

### Fixed
- Fix signature confirmation UI crash ([#26143](https://github.com/MetaMask/metamask-extension/pull/26143))
- Update current selected account when selected account is removed ([#26573](https://github.com/MetaMask/metamask-extension/pull/26573), [#26742](https://github.com/MetaMask/metamask-extension/pull/26742), [#26773](https://github.com/MetaMask/metamask-extension/pull/26773))
- This also includes a migration to reset the selected account if it's currently invalid
- Prevent pending confirmations from being inaccessible after attempting to add currently selected chain ([#26726](https://github.com/MetaMask/metamask-extension/pull/26726))

## [12.1.0]
### Added
- Launched a feature displaying the percentage increase or decrease for tokens within the UI ([#24223](https://github.com/MetaMask/metamask-extension/pull/24223))
- Added a search feature to easily filter through the popular network list ([#25170](https://github.com/MetaMask/metamask-extension/pull/25170))
- Launched a new asset details page ([#24522](https://github.com/MetaMask/metamask-extension/pull/24522))
- Implemented a loader on the confirmation page during Blockaid validation ([#25477](https://github.com/MetaMask/metamask-extension/pull/25477))
- Introduced an advanced details component for transactions ([#24833](https://github.com/MetaMask/metamask-extension/pull/24833))
- Enhanced permit signatures with a simulation section ([#24862](https://github.com/MetaMask/metamask-extension/pull/24862))
- Introduced dynamic support for identifying 'buyable' networks through the Ramps API ([#24041](https://github.com/MetaMask/metamask-extension/pull/24041))
- Introduced a new notification counter over the Fox icon to display unread notifications ([#25093](https://github.com/MetaMask/metamask-extension/pull/25093))
- Improved the display of large and small token values on the permit signature page ([#25720](https://github.com/MetaMask/metamask-extension/pull/25720))
- Replaced "Approve spend limit" with "Spending cap" in the Permit signature redesign ([#25618](https://github.com/MetaMask/metamask-extension/pull/25618))
- Display ellipsis to Permit simulation fiat values ([#26001](https://github.com/MetaMask/metamask-extension/pull/26001))
- Display ellipsis for Permit values with over 15 characters ([#26458](https://github.com/MetaMask/metamask-extension/pull/26458))

### Changed
- Introduced the ability to edit custom networks directly from the modal ([#25272](https://github.com/MetaMask/metamask-extension/pull/25272))
- Launched an initial UI for editing multiple RPC URLs in the network form ([#25219](https://github.com/MetaMask/metamask-extension/pull/25219))

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