MetaMask has released MetaMask USD (mUSD), a wallet‑native U.S. dollar stablecoin that is now live inside the MetaMask browser extension and mobile apps. mUSD is the first stablecoin created and natively integrated by a self‑custodial wallet provider, allowing users to hold a dollar‑pegged asset directly within the MetaMask interface without relying on third‑party stablecoin issuers tied to the wallet. The launch follows MetaMask’s August 2025 announcement and marks the on‑chain availability of the token after a period of preparation and integration. mUSD is issued by Bridge, a Stripe company, and is powered by the M0 protocol, with each token designed to be backed 1:1 by short‑term U.S. Treasury bills and similar dollar‑equivalent assets held in regulated custody. It is currently supported on Ethereum mainnet and Linea, and is embedded across MetaMask’s product suite, including on‑ramps, swaps, transfers, and bridging. Users can obtain mUSD by buying it via MetaMask’s integrated payment partners, swapping from other tokens, or converting existing stablecoins within the app. Over time, MetaMask plans to extend mUSD’s role in DeFi and real‑world payments, including spending via the MetaMask Card at Mastercard‑accepting merchants, positioning mUSD as a core settlement and payment asset within the MetaMask and Linea ecosystems.

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