
Stephanie Vaughan argues the Earn Wars are slotting fees, not distribution. Vaults leave capital idle while fintechs deploy instantly. The fix: MPC wallets.
The race for fintech shelf placement is masking a deeper product crisis, according to Stephanie Vaughan, COO of Ground. The so-called Earn Wars – with Robinhood (HOOD), Coinbase (COIN), Revolut, and Kraken competing for retail balances, and protocols like Aave (AAVE) and Ethena (ENA) vying to be the borrowing strategy – are driving every layer to become the day-one partner of whichever platform wins distribution. Almost no one is asking whether the product actually solves users' problems, Vaughan said.
People wanted a car on demand, not a better taxi dispatcher. Silicon Valley built Uber. DeFi captured flows in past liquidity booms, Vaughan said. It didn't build relationships. Without inherent distribution, DeFi teams are now racing to be perceived as having distribution. That is a very different game.
The logic these companies run is the same: if we get picked by enough platforms, we become the market's default architecture. That is the pitch to investors and to boards. It misreads reality, Vaughan said. What the market is signaling is that pricing power is zero.
Terms keep sliding in favor of the fintechs and banks. Yields are pushed up by subsidies from the platforms, vaults, and strategists themselves, or from the underlying protocols they deposit into. Even L2s are losing. Look at Robinhood Chain versus Arbitrum. The economics move in one direction, Vaughan said. It is the direction of a product paying to be on the shelf. Those are slotting fees, not distribution.
The pressure to keep selling into that shelf has stopped anyone from asking the harder question: is the current product actually any good? A lot of multi-strategy vaults work by depositing capital and leaving a meaningful portion sitting idle. It waits for the strategist to decide when and where to deploy it. It waits for the rebalancing cycle. It might wait for governance to approve a new position. Meanwhile, capital earns nothing, while the vault's headline APY gets diluted by the cash drag underneath. The advertised yield and the yield you actually receive are two different numbers, Vaughan said. No one on the marketing side is in a hurry to explain the gap.
Compare that to Fidelity. When you deposit into a money market account, your money is deployed immediately. There is no strategist between your deposit and your yield. The moment capital arrives, it is already working.
That constraint is gone for DeFi. Gas on L2s is effectively free. Cross-chain rails like Circle's CCTP and Axelar have made moving stablecoins between venues a matter of seconds and cents. No RWA cares what chain it is on, as long as it has liquidity. A tokenized Treasury bill or money market fund is a ledger entry backed by real off-chain instruments. The chain is a rail, not a home. What is left is the vault as a cultural artifact, a workaround from 2020-2021 with a 2026 pitch deck, Vaughan said.
The competitive pressure of the Earn Wars means every participant is so focused on winning shelf placement that no one is fixing the plumbing. No one is asking why capital sits idle. No one is asking whether the shared-vault model even makes sense anymore. No one is asking where strategists and curators add value. The race for distribution has consumed the appetite for product work.
The market underneath is changing. The users moving into stablecoins now are treasurers, family offices, neobank operators, and fintech builders. They want their capital transparently deployed the moment it arrives. They want to change their allocation without waiting for a strategist to notice. What fits that need looks a lot more like MPC wallet infrastructure than a shared vault, Vaughan said. Every user gets their own execution environment, strategy logic, and rails underneath that handle the complexity. Products like Ymax and Ground are starting to build in that direction. The intelligence sits in the orchestration, not the vault. The user keeps the strategy. The platform earns its keep by making that strategy easier to execute, not by picking what the strategy should be.
The Earn Wars will keep going. The leaderboards will shift by basis points. Competitors are confusing being picked with being wanted, Vaughan said. Getting slotted onto a fintech's yield page at concessional terms is not proof that your product is winning. It is the market telling you what it thinks your product is worth.
The vault was always a means to an end. The end was user control over yield, with capital actually deployed. Getting it right now means building backward from what users actually need, not forward from an artifact that outlived the problem it was built to solve.
Stephanie Vaughan is the COO of Ground, a company building the Stripe-like interface for TradFi institutions to access on-chain assets without touching blockchain infrastructure. Previously, she co-founded Veda, which has secured over $6 billion in digital assets for leading protocols and fintech platforms. She is a U.S. Naval Academy graduate, a Columbia MBA, and a former Captain in the Marine Corps.
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