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MetaMask

An open-source browser extension application that provides a crypto wallet interface for browsing Ethereum blockchain-enabled websites and connecting to Ethereum decentralized applications.

Independent OpenViST project profile, based on linked sources.

MetaMask — OpenViST project profile in Wallets.
OpenViST project illustration. See the linked sources for product details.
Understand the project

Practical overview

When it fits

Use MetaMask when an Ethereum website or dApp requires a browser wallet connection, or when building an Ethereum dApp that needs browser-extension wallet access.

Who it is for

  • People using Ethereum-enabled websites and dApps
  • Developers building or testing Ethereum dApps
  • Users who need a wallet interface integrated into a supported browser

Documented uses

  • Connect a browser wallet to Ethereum-enabled websites
  • Interact with Ethereum decentralized applications
  • Provide an extension-based wallet interface in Firefox and Chromium-based browsers
Before you choose

Requirements & limits

The project is publicly hosted on GitHub and is identified as open source.

  • Ethereum is the supported blockchain ecosystem identified in the evidence.
  • The application is delivered as a browser extension.
  • The repository README states support for Firefox, Google Chrome, and Chromium-based browsers.
  • The public repository is primarily TypeScript.

Check current requirements in the official documentation. Source-based guidance does not mean OpenViST has run or independently tested this project.

COMPARE OPTIONS

Compare options for Wallet connections

These projects document a common task and share a project role. This is a source-based comparison, not an execution benchmark or a guarantee of interchangeability.

ProjectDocumented purposePlatformAccess and requirements
MetaMaskConnect a browser wallet to Ethereum-enabled websitesBrowser ExtensionThe project is publicly hosted on GitHub and is identified as open source. The supplied evidence does not specify pricing or account requirements.
ShangoConnect a mobile wallet to a personal LND node.Android, iOS, MobileThe README lists iOS TestFlight and Google Play beta installation routes and describes the app as a public beta. Its cloud-node instructions are for testnet.
Walletconnect Expo ExampleStudy or prototype a wallet connection and authentication screen in a React Native dapp.Android, iOS
Evidence and transparency

Sources & review

Official repository ↗
Source record details
Source availability
Active
Sources checked
30 September 2026
Original website title
MetaMask/metamask-extension · Official homepage title · retained in its source language
How we review sourcesSuggest a correction