Metamask Crypto Wallet – Ultimate Review

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Suppose you’ve ever ventured into the Ethereum ecosystem. In that case, you’ve likely heard of MetaMask crypto wallet—a browser extension turned mobile app that’s become the gateway to decentralized applications (dApps) and tokens. Metamask has become a Swiss army knife of DeFi, and today, we explore why you should consider getting it yourself.

  • 30+ million active monthly users
  • A versatile wallet that works on many platforms
  • Access to decentralized apps (dApps)
  • Easy to buy and trade Ethereum-based tokens
  • Secured with a password and backup seed phrase
  • Lacks desktop application

What is Metamask?

Suppose you’ve spent some time exploring the world of crypto. In that case, you’ve likely encountered various methods for keeping your digital assets safe, such as cold wallets, hot wallets, mobile wallets, and paper wallets. But today, we focus on a top-notch solution for engaging with DeFi. To fully engage with it, you require a user interface that is not only elegant but also intuitive and user-friendly. MetaMask fits this description perfectly. As a leading crypto wallet that integrates seamlessly with your browser and boasts a well-designed interface, MetaMask is a primary gateway to Web3, DeFi, and NFT.

Instead of being a standalone app or a physical device, MetaMask is a straightforward browser extension that can be added to Google Chrome, Edge, Firefox, or Brave (in case you prefer the maximum level of privacy). The installation process is as simple as adding any other browser plugin and configuring MetaMask take just a few minutes. Once you have it installed, you’ll notice it will revolutionize how you engage with the Ethereum blockchain.

If you need to manage Ethereum, ERC-20, or Binance Smart Chain (BSC) tokens, understanding how to utilize the MetaMask wallet is essential. So, how do you use Metamask? How many accounts can you have? Is it secure? This Metamask review will give you all the essentials you need to know.


MetaMask was born out of necessity. In 2016, the Ethereum ecosystem was a wild west of innovation but lacked a user-friendly interface to interact with dApps. Enter MetaMask, developed by ConsenSys, a blockchain software company founded by Ethereum co-founder Joseph Lubin. The initial goal was simple: make Ethereum accessible to the average user. Fast forward to today, and it’s safe to say that MetaMask has achieved this goal and has become an indispensable tool for novice and long-time Ethereum users.

Initially launched as a browser extension, MetaMask acted as a bridge between traditional web browsers and the Ethereum blockchain. It was a game-changer, allowing users to run Ethereum dApps in their browser without running a full Ethereum node.

Then, in 2020, MetaMask took a significant leap by launching its mobile app, bringing the same level of convenience and security to mobile users. This move was a nod to the growing trend of mobile-first crypto users, especially in regions where mobile internet is more accessible than desktop computers.

Fast forward to today, and Metamask boasts more than 30 million active monthly users. It is clear that MetaMask is now one of the most popular crypto wallets.

Metamask Main Features

Everyone here is probably familiar with Ethereum. A decentralized blockchain network was built to store data and run a smart contracts computer program. Metamask is a browser plugin that serves as an Ethereum wallet and installs like any other browser plugin. Once installed, it allows users to store ETH and other ERC-20 tokens. It also allows them to transact with any Ethereum address. Metamask has many attractive features:

  • Integration with decentralized apps (dApps): MetaMask isn’t just a wallet; it’s your passport to the decentralized web. With just a few clicks, you can connect MetaMask to various decentralized applications (dApps), from DeFi platforms like Uniswap to NFT marketplaces like OpenSea.
  • Token swap: MetaMask has a built-in token swapping feature, allowing you to trade tokens directly within the wallet interface. This effectively turns MetaMask into a decentralized exchange (DEX) aggregator, sourcing liquidity from various DEXes – such as Uniswap or Pancakeswap – to get you the best rates.
  • User friendly: MetaMask is incredibly user-friendly, allowing for quick and hassle-free setup without the need for an email or other personal information. Once set up, you must create a password for secure access each time the wallet is locked. If you prefer using a Ledger or Trezor hardware wallet over storing your private keys in the browser, MetaMask offers direct connectivity options.
  • Security: MetaMask is top-notch in security. It employs Hierarchical Deterministic (HD) wallet architecture, meaning you control your private keys, which are stored locally on your device. For added security, MetaMask also supports hardware wallets like Ledger and Trezor.
  • Web 3 compatibility: MetaMask’s Web3 compatibility is a game-changer for the tech-savvy among us. This feature allows developers to interact with the Ethereum blockchain, making it easier to develop and deploy dApps.

How to Set up Metamask?

Although it may initially seem complicated, Metamask is one of the easiest crypto wallets and dapp browsers to use, and you will set it up in minutes. To use Metamask, you need Chrome, Brave, or Firefox. Here is how to set up Metamask:

  • Step 1: First, visit the website and install the official Metamask extension for the browser of your choice. For most users, this is a Google Chrome extension or a Firefox add-on.
  • Step 2: You will see the Welcome to Metamask screen after installation. Click the »Get Started« button and start creating your wallet.
  • Step 3: Click the »Create a wallet« button. You will then be asked if you want to help improve Metamask. For those who already have an Ethereum wallet and wish to import it into MetaMask, click »Import Wallet.«
  • Step 4: Create a password that is at least 8 characters long. We recommend using a completely unique password that has not been used anywhere else and contains a mix of upper and lowercase letters, symbols, and numbers.
  • Step 5: Read and accept the Terms of Use and click »Create« after setting your password.
  • Step 6: MetaMask will show you the 12 words of the backup or seed phrase. You must carefully write these phrases in the same order as they appear on the screen. This phrase will be needed to restore your wallet if you ever lose access to your computer, so it should be stored in a safe place.
  • Step 7: On the next screen, confirm the backup phrase by entering the words in the same order as you saved them before. When you have finished, click »Confirm.«

How to Add Funds to Metamask?

The two primary methods for adding a token to your MetaMask wallet are transferring it from a cryptocurrency exchange like Binance or Kraken or buying ETH directly via Wyre, MetaMask’s default payment gateway.

PRO TIP: Remember, all transactions on the Ethereum network require gas fees. Always ensure you have some extra ETH in your wallet to cover these costs.

How to Set up the Metamask Mobile App?

Before you begin the installation, make sure you have a compatible smartphone (Android or iOS), a stable internet connection, and a secure environment (avoid public Wi-Fi during setup).

  1. Go to the app store

For Android Users:

  • Open Google Play Store: Tap on the Play Store icon on your device.
  • Search for MetaMask: Use the search bar to find the MetaMask app.

For iOS Users:

  • Open Apple App Store: Locate and tap on the App Store icon.
  • Search for MetaMask: Use the search function to find MetaMask.
  1. Download and install
  • Click on ‘Install’: Once you’ve found MetaMask, tap on the ‘Install’ button.
  • Wait for Download: The app will automatically download and install on your device.
  1. Open app: either create a new wallet or import the existing one

Creating a new wallet:

  • Tap on ‘Create a New Wallet’: Follow the on-screen instructions.
  • Set a Strong Password: Make sure it’s unique and secure.
  • Backup Your Seed Phrase: Absolutely crucial for account recovery.

Importing an existing wallet:

  • Tap on ‘Import Existing Wallet’: You’ll be prompted to enter your seed phrase.
  • Enter Seed Phrase: Make sure to enter it correctly to access your existing wallet.
  1. Take a look

Once you’re in, take a moment to familiarize yourself with the MetaMask mobile interface. You’ll find:

  • Your Public Address: For receiving tokens.
  • Asset Tab: Where your tokens will be displayed.
  • Activity Tab: Your transaction history.
  1. Set up password

This phase entails setting up a wallet password once you’ve either accepted or declined the data collection prompt. Once the password is established, a window will appear for you to back up your recovery phrase. Although the mobile app offers an option to skip this step, it’s advisable to back up your recovery phase during the wallet setup process.

How to Connect Metamask with Dapps?

You’ve probably heard about decentralized applications or dApps. They are one of the core concepts of DeFi. A dApp operates, at least partially, on a blockchain network. While dApps can function on various blockchains, we will focus specifically on those built on Ethereum, as our beloved MetaMask is designed to work with Ethereum and EVM-compatible dApps. Though dApps are a relatively recent innovation, numerous companies have already launched functional dApps on the Ethereum mainnet.

They are intriguing because they share some similarities with traditional websites but offer enhanced capabilities. For instance – a dApp may feature a sophisticated graphical user interface that is generally user-friendly. The key distinction lies in the backend interaction; dApps communicate with a blockchain, whereas websites interact with a web server. This blockchain engagement is what grants dApps their decentralized nature.

And where exactly Metamask enters the story? MetaMask serves as a gateway for users to engage with browser-based dApps. To provide a clearer understanding of this interaction, let’s explore some use cases.

1. Swap crypto using Metamask

If you’ve been using MetaMask merely as a storage vault for your digital assets, you’re missing out on a world of possibilities. Enter the DeFi through the most obvious use case – trading tokens. Here is how you do it:

  1. Open Metamask and find the »Swap« option
  1. Choose the token you want to trade and the token you wish to receive, then specify how much of the ‘From’ token you want to swap.
  1. Review and confirm transactions: MetaMask will automatically find the best rates across multiple decentralized exchanges. Gas fees vary, so ensure you’re comfortable with the cost. Once you’re satisfied with the terms, click ‘Confirm.’

Apart from the built-in ‘Swap’ feature, you can also use MetaMask to trade on various DEXes like Uniswap, Sushiswap, and PancakeSwap. The process is similar:

  1. Visit the DEX: Navigate to the DEX of your choice.
  1. Connect MetaMask: Usually, there’s a ‘Connect Wallet’ button. Click it and select MetaMask.
  1. Trade: Once connected, you can now trade directly on the DEX, with all transactions being confirmed through MetaMask.

Pro tips:

  • Slippage tolerance: This setting allows you to specify how much price movement you’re willing to tolerate during the trade.
  • Custom tokens: MetaMask allows you to add custom tokens that aren’t automatically listed in the wallet. Just be careful with this option – there are tons of scam tokens out there.
  • Speed up transactions: If a transaction is taking too long, you can opt to ‘Speed Up’ by increasing the gas fee.

2. Lend Crypto with Metamask

If you’re intrigued by the idea of becoming your own bank, dApps like Aave and Compound could be your starting point. They operate on the Ethereum network and enable users to lend and borrow Ethereum. The process involves pooling Ethereum into a smart contract loan, which is secured by collateral in the form of various ERC-20 tokens. Lenders receive their loans back along with interest, and if a borrower fails to repay, the lender can seize the collateral, much like a bank repossessing a car or boat.

PRO TIP: When lending, you can often choose between variable and stable interest rates. Pick what suits your risk profile.

3. NFT with Metamask

  • Minting NFT with Metamask: Minting is the first step in creating your very own NFT, and it’s a process that’s been simplified thanks to platforms like OpenSea, Rarible, and others. When using OpenSea, for instance, you’ll start by navigating to their website and connecting your MetaMask wallet by clicking on ‘Profile’ and then ‘Connect Wallet.’ Once connected, you can upload your digital asset, whether it’s art, music, or any other form of digital media. A MetaMask popup will appear, asking you to confirm the minting process, and voila, your NFT is born.
  • Trading NFT with Metamask: Now that you’ve minted your NFT, or if you’re in the market to buy one, the next exhilarating step is trading. Platforms like OpenSea and Rarible make this process seamless. On OpenSea, you can browse through a plethora of NFT listings, clicking on the one that catches your eye. A ‘Buy Now’ button will be prominently displayed, and upon clicking it, MetaMask will prompt you to confirm the transaction. Selling NFTs is just as straightforward. After setting your desired price, you’ll list the item and confirm the action on MetaMask. It’s as simple as that.

4. Web 3 Gaming

Blockchain gaming is not merely a buzzword. It’s a revolution that’s redefining the gaming industry, and MetaMask and dApps go together like peanut butter and jelly in this aspect. Platforms like Decentraland offer virtual worlds where you can buy land, build structures, and engage in a digital economy. With MetaMask, you can easily purchase MANA, Decentraland’s native token, and start acquiring virtual real estate. Similarly, games like CryptoKitties allow you to collect, breed, and sell unique, adorable digital cats. Your MetaMask wallet serves as your identity and your wallet within the game, enabling you to make transactions and store your collectible kitties.

Which tokens does Metamask support?

Although MetaMask excels as a wallet for Ethereum storage, it lacks support for Bitcoin. However, it does accommodate all crypto tokens on networks such as Arbitrum, Optimism, Binance Smart Chain, Polygon, and Avalanche.

How to Use Multiple Accounts?

Why would you need multiple accounts on MetaMask? Well, the reasons are as varied as they are compelling. You might want to separate your personal transactions from your business dealings, or perhaps you’re managing funds for different projects. Multiple accounts can also enhance security by isolating high-value transactions. Whatever your reason, this wallet makes it incredibly easy to manage multiple accounts under one roof. Setting up multiple accounts on MM is a straightforward affair:

  1. Open extension: Click on the fox icon in your browser to open the dashboard.
  2. Navigate to Accounts: On the top-right corner, you’ll see a circle icon (it might display your current account’s initials). Click on it.
  3. Create a New Account: Scroll down and click on “Create Account.”
  4. Name Your Account: You’ll be prompted to name the new account. Make it something memorable and relevant.
  5. Confirm: Once you’ve named it, click “Create,” and voila! You’ve got yourself another account.

Switching between accounts is as easy as pie. Simply click on the circle icon in the top-right corner, and a dropdown will appear listing all your accounts. Click on the one you want to switch to, and you’re good to go. Each account you create will have its own public and private keys, but they’ll all be linked to the same seed phrase you received during the initial setup. This means that if someone gains access to your seed phrase, all your accounts are at risk. So, guard that seed phrase like a treasure.

Is Metamask Safe?

MetaMask boasts an unblemished security record, with no successful hacks reported. It employs a unique, in-browser encryption system to safeguard all local keys, making it difficult for malicious dApps and other vulnerabilities to gain access to them. MetaMask operates on a ‘self-custody’ model, which doesn’t offer Two-Factor Authentication (2FA). This suggests that only you—or anyone who obtains your Secret Recovery Phrase or private keys—can access your accounts. The wallet doesn’t hold your private keys on any server it controls, so it can’t impose transaction limitations or prevent you from accessing your assets. While this offers a high level of freedom, it also places a greater responsibility on the user than conventional login methods.


With its user-centric design, robust security, and seamless dApp integration, MetaMask sets the bar high for crypto wallets. Its versatility and ease of use make it a go-to solution for both crypto novices and veterans alike. However, MetaMask’s strength—user autonomy—also demands a high level of responsibility. While the wallet itself is secure, users must remain vigilant to avoid pitfalls like phishing scams and user errors. In a rapidly evolving crypto landscape, MetaMask stands out not just for its features but for democratizing access to decentralized finance. With a user base exceeding 30 million, MetaMask has proven itself as a pivotal tool for navigating the future of DeFi.

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