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News/MetaMask Introduces mUSD Stablecoin With Linea Integration and Debit Card Plans

MetaMask Introduces mUSD Stablecoin With Linea Integration and Debit Card Plans

Van Thanh Le

Aug 21 2025

12 hours ago2 minutes read
Robot leaps between Ethereum shards, liquidity chains glow, [stablecoin] expansion

Self-Custodial Wallet Expands Into Stablecoins Under GENIUS Act Framework

MetaMask has unveiled its first native stablecoin, MetaMask USD (mUSD), becoming the first self-custodial wallet to launch such an asset. The announcement came on August 21, 2025, with the company highlighting that mUSD will be fully integrated across the MetaMask ecosystem. The stablecoin is designed to provide seamless functionality for users who want to move between crypto and dollar-backed assets, with direct support across Ethereum and Linea, Consensys’ Layer-2 network. Users will be able to on-ramp, off-ramp, swap, transfer, and bridge mUSD directly through the wallet without relying on external platforms, giving it an immediate edge in terms of accessibility and scale.

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The token will be issued by Bridge, a Stripe subsidiary, and will be backed one-to-one by dollar-equivalent assets in full compliance with the recently passed GENIUS Act, which provides a clear regulatory framework for stablecoins in the U.S. Institutional support has also been built into the launch. The stablecoin will rely on M^0, a specialized protocol for stablecoin issuance, while custody and treasury management services will be handled by Blackstone, signaling a move to reinforce stability and credibility in both the retail and institutional markets. Reports of a governance proposal leaking online before being quickly removed had already pointed to the project’s advanced stage of development, with sources indicating that MetaMask intended to make mUSD live before the end of August 2025.

Ajay Mittal, MetaMask’s vice president of product strategy, described the rollout as a way to address fragmented stablecoin experiences by offering users potentially lower costs, greater composability, and smoother transaction flows. The wallet’s built-in user base and its established role in decentralized finance provide a strong launchpad for adoption, positioning mUSD not just as a MetaMask tool but as a liquidity layer that could extend across the wider DeFi landscape. The company also confirmed plans to expand functionality by embedding mUSD as a payment option on its Mastercard-powered debit card by the end of 2025, a move that would connect stablecoin utility to real-world spending.

The timing of the launch aligns with broader momentum in the stablecoin market, where global adoption has accelerated across payments, trading, and remittances. With the GENIUS Act offering regulatory clarity and MetaMask integrating issuance, compliance, and user-facing tools under one roof, the introduction of mUSD underscores a strategic push to secure a place at the center of stablecoin infrastructure. By combining direct wallet integration with institutional-grade backing and future debit card functionality, MetaMask is positioning its stablecoin to compete not only within the crypto ecosystem but also in bridging the gap between decentralized finance and traditional financial use cases.

This article has been refined and enhanced by ChatGPT.

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