Metamask

MetaMask is a self-custody crypto wallet built by Consensys that lets users buy, sell, swap, earn, and spend BTC, ETH, SOL and other assets from one app they control. Beyond the wallet, it offers token swaps across popular networks, perps trading, tokenized stocks and funds, prediction markets, the MetaMask Card, and its own stablecoin, mUSD. With 100M+ downloads and billions of transactions since 2016, MetaMask also gives developers tools such as MetaMask Connect, Snaps, Embedded Wallets, and the Smart Accounts Kit.