MetaMask

The default EVM browser wallet — every dApp expects it; also mobile with an in-app browser.

TypeBrowser extension
CustodySelf-custody — the user holds the keys
PlatformsChrome, Firefox, Brave, iOS, Android
Open sourceYes — source code
MultisigNot recorded
Account / KYCNo identity verification
Official sitemetamask.io

Cryptocurrencies it holds

Ethereum ETH

Token networks

Holds tokens issued on Ethereum, BNB Smart Chain, Polygon, Arbitrum, OP Mainnet, Base, Avalanche and Linea.

Features

TokensNFTsWorks with hardware walletsBuilt-in swaps

Security record

No user funds lost through a fault of the maker's, on record as of 13 October 2026.

Customer data leaked

An infrastructure incident disclosed in September 2026 is still open; MetaMask reports no evidence that wallets or funds were affected.

Only the maker's own failures count; phishing and lab attacks that need the stolen device do not. Every wallet compared: Crypto wallet hacks, and the wallets that were never hacked.

Questions

Has MetaMask been hacked?

No user funds have been lost through a fault of MetaMask's maker, on record as of 13 October 2026. Customer data has leaked: 2023, A support-ticket vendor breach exposed tickets from about 7,000 people.

Which coins does MetaMask support?

Ethereum, plus tokens on Ethereum, BNB Smart Chain, Polygon, Arbitrum, OP Mainnet, Base, Avalanche and Linea.

Is MetaMask open source?

Yes. Its source code is public at https://github.com/MetaMask.

Does MetaMask support multisig?

Not as far as the directory records. A multi-signature setup needs a wallet that can hold one of several keys; see the wallets directory for the ones that do.

Is MetaMask custodial?

No. MetaMask is self-custody: the user holds the keys, and nobody else can move the funds.

Other browser extensions

AlbyBackpackKeplrLaceLeapPetraPhantomRabbyRoninSolflareSui WalletTronLinkEvery wallet

The wallets directory compares every wallet by type, custody and the coins it holds. A wallet's place there is not for sale.