MetaMask has stepped into the stablecoin arena. The popular Web3 wallet announced the launch of MetaMask USD (mUSD), its first-ever wallet-native stablecoin.
According to the token page, mUSD holds a market cap of $18.02 million with a total supply of 18.04 million at launch.
This move is more than just a token drop. It positions MetaMask as not only a wallet but also as a direct player in the stablecoin economy.
MetaMask USD ($mUSD) is now live.
The best way in and out of crypto is here. pic.twitter.com/h6zSUao7Ka
— MetaMask.eth
(@MetaMask) September 15, 2025
MetaMask USD ($mUSD) is a dollar-denominated stablecoin fully integrated into the MetaMask ecosystem. It works seamlessly across swaps, bridges, and on/off ramps. Users can also spend it in the real world via the MetaMask Card, accepted at more than 150 million merchants worldwide.
The stablecoin is issued by Bridge, a Stripe-owned entity that mints and burns tokens using the M0 protocol. Bridge is the first U.S.-regulated issuer on the M0 network, making mUSD a compliant, regulated asset.
MetaMask emphasizes that this isn’t just another stablecoin. It’s the first wallet-native stablecoin, tightly woven into the MetaMask experience.
@MetaMask USD
Built on M0’s universal stablecoin platform. pic.twitter.com/Ss38vK5BHq
— M0 (@m0) September 15, 2025
MetaMask highlighted several features of mUSD:
Strong liquidity & incentives on Linea
Lowest-cost fiat onramps directly in MetaMask
Native integration with MetaMask Swap and Bridge
Spendable via MetaMask Card at 150M+ merchants
Powered by Transak for seamless user access
The contract address for $mUSD is:
`0xaca92e438df0b2401ff60da7e4337b687a2435da`
Stablecoins have long been central to DeFi. They power liquidity pools, trading pairs, lending protocols, and payments. But until now, they’ve been external to wallets. Users had to bridge or import them before use.
MetaMask flips this model. With mUSD, stablecoins are native to the wallet. That means:
Cheapest fiat on/off ramps built into MetaMask
Instant liquidity across Ethereum and Linea
Seamless DeFi integration from the start
Real-world spending with merchants globally
This reduces friction across the user journey: onboarding → using → building → spending.
A Game-Changer for Builders
For developers, mUSD is infrastructure. It unlocks a smoother flow for users coming into Web3. Instead of depending on third-party stablecoins, dapps can integrate directly with mUSD.
This unlocks new opportunities:
Builders no longer need to patch together external stablecoin rails. The wallet itself becomes the foundation.
I’ve been talking about stablecoins for a while… and today I can finally share
@MetaMask USD ($mUSD) is live.
Why this matters
$mUSD is the first wallet-native stablecoin.
Fully integrated into MetaMask swaps, bridges, on/off ramps, and soon payments with the MetaMask… https://t.co/JK0W00icIw pic.twitter.com/66RE6Xumnv— Francesco Andreoli ᵍᵐ (@francescoswiss) September 15, 2025
Stablecoins remain one of the largest segments of the crypto market. Tether (USDT) and USD Coin (USDC) dominate with market caps above $100B and $30B, respectively. By contrast, MetaMask USD’s $18.02M market cap may look small, but its integration advantage makes it different.
Instead of competing solely on liquidity depth, mUSD competes on ease of access and ecosystem fit. The fact that it’s wallet-native is the differentiator.
The common theme? mUSD isn’t just another stablecoin, it’s a wallet upgrade.
MetaMask USD represents a new model for stablecoins. Instead of existing outside wallets and forcing users to bridge, swap, or import, mUSD comes built-in. It’s self-custodial, composable, and globally spendable.
With a market cap of $18.02M and growing, mUSD is still small compared to giants like USDT and USDC. But its native integration, regulated issuance, and real-world utility give it a unique position.
For users, it means lower costs, smoother transactions, and everyday usability. For builders, it means infrastructure that reduces friction across the Web3 stack.
MetaMask didn’t just launch a stablecoin. It launched a new way of thinking about wallets, money, and DeFi.
Disclosure: This is not trading or investment advice. Always do your research before buying any cryptocurrency or investing in any services.
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