MetaMask is a software cryptocurrency wallet used t

o interact with the Ethereum blockchain.

It allows users to access their Ethereum wallet through

Overview MetaMask

allows users to store and manage account keys,

broadcast transactions, send and receive Ethereum-based cryptocurrencies and tokens, and securely connect

to decentralized applications through a compatible web browser

or the mobile app’s built-in browser.also Developers achieve a connection between

and their decentralized applications by using a JavaScript plugin such as Web3js or Ethers to define interactions between and Smart Contracts.

The application includes an integrated service for exchanging

Ethereum tokens by aggregating several decentralized exchanges (DEXs) to find the best exchange rate. This feature, branded as Swaps, charges a service fee of 0.875% of the transaction amount.

As of November 2021, MetaMask’s browser extension had over but21 million monthly active users, according to Bloomberg.

History MetaMask

Prior to 2019, had only been available as a desktop browser extension for Google Chrome and Firefox browsers. Given the popularity of among cryptocurrency

users, and its lack of an official mobile app for several years, instances of also malicious software posing as became problematic for Google in regulating its Chrome Web Store and

Google Play platforms. In one instance, Google Play unintentionally removed official beta app before reverting the decision a week later on January 1, 2020

Starting in 2019, MetaMask began releasing mobile app

versions for closed but beta testing, followed by their official public release for iOS and Android in September 2020

The product became available on also mobile devices in March 2021.


While MetaMask and other “web3” focused applications aim to

decentralize control over personal data and increase user privacy, critics have pointed to the potential for MetaMask’s browser extension to leak identifiable information to data collection networks and web trackers as a fundamental flaw.

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