MetaMask unveils all-in-one Money Account offerings users up to 4% APY on mUSD holdings

MetaMask has launched Money Account, a new self-custodial feature inside its wallet that turns stablecoin balances into a productive, all-in-one financial account. The product was built on Monad, which will serve as its "home chain."

According to Tuesday's announcement, Money Account will enable users to earn up to 4% variable APY on their mUSD, MetaMask’s native stablecoin, through a simple deposit, with no staking, lock-ups, or manual actions required.

The balances are also connected to the Mastercard-powered MetaMask Card, so users can spend down their funds from a yield-bearing account, as well as MetaMask’s other trading offerings for swaps, perps, and prediction markets.

"For too long, the crypto experience has been fragmented; one place to trade, another to earn, another to spend," Consensys CEO Joe Lubin said in the statement. "People build their wealth inside MetaMask, but until now they couldn't keep it working here."

The move comes amid a wave of products looking to turn stablecoin balances into productive holdings. State Street, for instance, recently launched a SWEEP fund that lets investors "sweep" stablecoins into a yield-bearing tokenized fund.

MetaMask’s solution is particularly geared toward preventing further liquidity fragmentation, considering that MetaMask is one of the most-used Ethereum-centered wallets. Users will now be able to keep funds in mUSD to generate returns in a wallet they were likely already using.

Further, the announcement notes, users will be able to convert supported stablecoins, including USDC, USDT, DAI, aUSDC, aUSDT, and aDAI on supported chains to mUSD “at 1:1 parity with no conversion fees.” Users can also purchase mUSD via debit or credit card or Apple Pay.

mUSD launched in September 2025 and currently has a market cap of $32 million, according to its website. The token, issued on Ethereum and Consensys' Linea Layer 2, reached a top market cap of over $100 million shortly after launch, according to Dune data.

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MetaMask’s Money Account will generate its yield via DeFi vaults, initially on Morpho, with plans to expand to Aave. The announcement notes Veda built the vault infrastructure and Steakhouse Financial is serving as risk curator.

"This is what consumer stablecoin adoption at scale looks like: a product built for daily spend, with savings and yield integrated and the complexity handled under the hood," Monad Foundation co-founder Keone Hon said.

Monad is a high-performance, fully EVM-compatible Layer 1 blockchain designed to support Ethereum-like smart contracts while achieving 10,000 transactions per second (TPS), 400ms block times, and sub-second finality with near-zero fees. The blockchain launched in November 2025.

MetaMask, while primarily focused on Ethereum, has increasingly gone multi-chain, including native integrations for Solana and Bitcoin. In an October 2025 interview with The Block, Lubin confirmed Consensys is still planning to launch a MASK token.

The wallet has also ramped up its consumer-focused release schedule in recent months. Earlier this month, the team unveiled a major Agent Wallet release, providing AI agents access to Ethereum, and earlier this year integrated tokenized U.S. stocks, ETFs, and commodities via Ondo Global Markets.