![]() The alternative to hot wallets like MetaMask is cold wallets, typically hardware wallets – devices that store your private keys offline and can connect to a computer or phone when needed. MetaMask lets you connect to popular dApps like Uniswap, the leading decentralized exchange, or games and metaverse projects like Axie Infinity or Decentraland. You’ll have to switch networks to access the assets on each chain. While visible in the same wallet app, assets on each blockchain remain separate. MetaMask uses Ethereum as the default network, but the wallet supports multiple Ethereum-compatible networks, such as Polygon and Optimism. You’ll also secure your wallet with a (required) password. The private key is a long string of numbers and letters that’s nearly impossible to memorize, so most wallets use a recovery phrase of 12 to 24 words that lets your wallet re-generate the private key if needed. Nothing leaves your MetaMask wallet unless the transaction is signed with the private key generated when you set up your wallet for the first time. The latter is what lets you spend or transfer crypto and approve transactions. Most wallets use two keys: a public key and a private key. MetaMask is a hot wallet, meaning it’s connected to the internet, and the private keys are generated on an online device. MetaMask also provides a mobile app for Android and iOS. MetaMask then shows you the details, prompting you to accept or reject the request.Ībove, the decentralized exchange Uniswap is asking MetaMask’s Chrome extension to sign a smart contract I initiated. When an app needs permission to perform actions, the app passes a request over to your wallet. With decentralized apps, MetaMask acts as both a wallet and a signing key to approve smart contracts. The growth of decentralized applications (dApps) helps fuel MetaMask’s popularity ETH-compatible dApps commonly offer MetaMask as the top option to connect a wallet. Since its inception in 2016, support for additional networks has been added, including Polygon, BNB Smart Chain, Avalanche C-Chain, and many others – all just a click away. ![]() MetaMask is a DeFi cryptocurrency wallet initially built by ConsenSys for the Ethereum network. I’ll stick to the MetaMask browser extension for dApps, but the mobile app is great for sending and receiving on the go. Uniswap didn’t see my MetaMask Polygon wallet, instead suggesting I connect with my Coinbase wallet. Using the MetaMask app browser, I stopped by Uniswap to check on my liquidity pool. Coinbase wallet offers a similar feature.Īpps are sorted by category, including decentralized finance, decentralized exchanges, collectibles, etc. Notably, Coinbase Pay was missing in my region.Ĭonnecting blockchain apps with crypto wallets can be a challenge on mobile devices, so MetaMask includes a dApp browser. MetaMask mobile offered fewer options for buying compared to the extension. This is something to keep in mind if you wander off to explore dApps on a network not supported by the dApp (like I did). ![]() Switching networks just takes a click but can only be done from the network listing on the wallet home screen. However, I didn’t find a setting to enable adjustable gas fees like on the extension. Sending and receiving worked as expected on mobile. I synced the mobile wallet with the Chrome extension using the 12-word recovery phrase to explore its features. The mobile app supports fingerprint authentication or password authentication for login, protecting your crypto from phone thieves and snooping phone fiddlers. Once up and running, the app worked smoothly. MetaMask ran poorly at startup on my octa-core Android phone. ![]() MetaMask offers support through two channels: a chatbot and a community support forum. MetaMask’s Chrome extension doesn’t include an app browser, but it runs in a browser – so everything is just a new tab away. Swap fees are 0.875% and help fund MetaMask’s development. MetaMask provides a swap feature, which works like an aggregator and compares exchange rates from liquidity pools, including: The minimum purchase is $30 with a $3.99 minimum fee. MoonPay, another crypto provider, offers six tokens, including ETH and three stablecoins. I didn’t find an option to send other tokens, just ETH. You can send ETH from your Coinbase exchange wallet or buy ETH with your bank account or cash you have on the exchange. Coinbase Pay (not available on Polygon)Ĭoinbase Pay connects your Coinbase account and some (but not all) payment methods you have saved in Coinbase.MetaMask lets you buy crypto through several providers: I had to add the token manually, which can be done from the home screen (import tokens). I did encounter one problem with the wallet: A token I sent to the wallet wasn’t detected.
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