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MetaMask is a non-custodial crypto wallet available as a browser extension and mobile app. It connects to Ethereum-compatible networks, including Polygon, without requiring you to run a full node.
PropertyValue
TypeNon-custodial / HD
Private key storageUser’s local browser storage
Ethereum connectionInfura
Private key encodingMnemonic
  • Back up your Secret Recovery Phrase before using MetaMask with any real funds.
  • If your device breaks, is lost, stolen, or corrupted, there is no other way to recover your accounts.
  • See Basic Safety and Security Tips for MetaMask for full guidance.
To add Polygon Chain to MetaMask, see Add Polygon network.

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Beyond MetaMask

MetaMask is the right choice for end-users who want to manage their own keys with a browser extension. If you’re building a product on top of Polygon, you have other options:
  • Polygon Chain overview: the network your users connect to via MetaMask: dual-layer architecture, sub-5 second finality, 3,800 TPS.
  • OMS wallets: non-custodial account abstraction wallets you embed directly in your app, with passkeys and smart sessions. No extension required.
  • Open Money Stack Payments API: for building consumer payment flows where users don’t have to manage keys at all (custodial), backed by the Open Money Stack.