Case Study
A yield venue for a wallet's own stablecoin on a new chain
MetaMask's stablecoin mUSD launched on Monad. One Barker boost brought $3M+ of deposits into its vault.
- Chain
- Monad
- Product
- mUSD yield vault (Veda, Monad)
- Window
- 2026.09.17 – 10.15
- Partner type
- Wallet / stablecoin issuer
Results
Data as of October 8, 2026; the campaign runs until October 15. APY is the live APY shown on the page at that time and moves with deposits and the daily reward pool.
Verify on the live campaign page ↗The brief
MetaMask launched its own stablecoin, mUSD, with a yield vault on Monad. A new chain plus a new stablecoin meant users needed a visible yield and an easy way in and out before they would deposit.
What Barker ran
- 1
Launched across Barker's app surfaces: a pinned campaign card and a dedicated MetaMask boost page, with swap and bridge built into the deposit card so users holding USDC can convert to mUSD and deposit.
- 2
The boost stacks on top of the vault's base yield, settles daily by actual holding time, and rewards are claimed straight from the distribution contract.
- 3
Wallet-level on-chain attribution: every deposit is verified on-chain and each wallet's share is time-weighted, with live data the partner can check at any time.
On-chain attribution
Every routed deposit is attributed wallet-by-wallet: deposits are verified on-chain, rewards stream through Merkle distributor contracts, and anti-sybil accounting uses time-weighted min(deposit, live balance). Partners get a live dashboard; users claim rewards directly from the contract. Barker never takes custody of principal.
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Campaign metrics are time-boxed observations verifiable on the linked live pages; past performance does not guarantee future results. Commercial terms of individual campaigns are confidential.