MetaMask Rolls Out Money Account with Up to 4% APY on Eligible mUSD Deposits

MetaMask has introduced a new feature called Money Account that allows users to earn yield on its wallet-native stablecoin, MetaMask USD (mUSD). This move is significant as it attempts to separate the stablecoin's reserve backing from the mechanics of how returns are generated. According to Johann Bornman, senior director of product at Consensys, the design deliberately separates the two layers.

The first layer concerns reserve backing, with Bridge holding US dollar reserves and short-term Treasury bills that back mUSD on a 1:1 basis. The issuer is not portrayed as paying yield to holders. The second layer is the on-chain yield engine, which routes deposited mUSD into a DeFi system managed through a vault provider called Veda.

Veda then allocates capital into lending protocols including Aave and Morpho. Bornman summarized the intent behind the product's architecture by stating that reserve backing and yield generation are 'structurally separate,' adding that the yield 'doesn't come from the issuer' but from DeFi protocol activity.