MetaMask to Launch Wallet-Native Dollar Stablecoin mUSD

MetaMask, the widely used self-custodial crypto wallet, is stepping into the stablecoin arena by launching its own wallet-native digital dollar called MetaMask USD (mUSD). The new stablecoin is designed to offer users a seamless way to hold, send, and spend dollars directly within the MetaMask ecosystem.

mUSD will be fully backed 1:1 by U.S. dollar equivalents such as cash and short-term U.S. Treasuries. The company has emphasized transparency and compliance, stating that the reserves supporting mUSD will be highly liquid and subject to strict oversight. The move aligns with growing regulatory clarity around payment stablecoins in the United States, setting mUSD apart as a stable and trusted asset within the crypto market.

Unlike third-party stablecoins added to wallets after issuance, mUSD will be deeply integrated into MetaMask. Users will be able to buy, hold, swap, and transfer mUSD across supported blockchains without needing to connect to external platforms. The stablecoin will first go live on Ethereum and Linea, MetaMask’s Layer-2 network, before expanding to additional chains.

The wallet’s design means that transactions with mUSD will feel native, reducing friction that often comes with stablecoin usage. For example, users could fund their wallet in fiat, instantly convert to mUSD, and then deploy those funds across decentralized exchanges, lending platforms, or payments, all within a single interface.

Beyond DeFi, MetaMask is also preparing to connect mUSD to real-world payments. The stablecoin is expected to be compatible with the MetaMask Card, a Mastercard-linked debit solution that allows spending at millions of merchants worldwide. This would let users move seamlessly between crypto and traditional payments, turning MetaMask into more than just a tool for managing digital assets.

The decision to launch mUSD comes as stablecoins play an increasingly central role in global finance. With monthly transaction volumes crossing the trillion-dollar mark, stablecoins have become the backbone of many DeFi applications, cross-border transfers, and remittances. By creating its own version, MetaMask positions itself competitively against dominant players like USDT and USDC and gains tighter control over the user experience inside its ecosystem.

Executives at MetaMask have described the launch as part of a broader mission to bring the world on-chain. They believe that reducing friction and cost in dollar transactions is essential for onboarding the next wave of users into Web3. Unlike many competing stablecoins, mUSD is not launching with a yield component, reflecting a cautious approach to compliance, but incentives could be added as adoption grows.

mUSD is expected to become a key liquidity layer for decentralized finance applications, particularly within Linea’s growing DeFi stack. By integrating a stable, compliant, and wallet-native digital dollar, MetaMask aims to strengthen its role as the gateway to crypto-native finance and mainstream digital payments.

With this launch, MetaMask is signaling that the future of stablecoins lies not just in exchanges or external issuers but directly in the daily wallets people use.