ElfomoFi is a proprietary AMM on Base: one contract that sells majors, stablecoins and tokenized stocks against USDC at a price its market maker sets every block, filled straight out of a vault in one transfer each way, with no pool curve deciding what the next unit costs.

The price is not discovered by the trade. The desk's quote for every pair, its theoretical price for the asset combined with what it reads on chain, is written into a pricing contract each block, the venue asks that contract what an exact input buys or what an exact output costs for the account making the swap, and the fill settles at exactly that answer or not at all. The only limits are the pairs the desk lists and the inventory its vault holds of whatever is being bought.

A quote only helps the flow that actually takes it. The tokenized stock bought through a thin pool at a worse price than a desk was standing behind for the same size. The rotation into a major that waited for a person when the price was already there. The stablecoin leg that took slippage because the venue paying the quote was not the one anyone checked.

The venue's listed pairs are a step in any plug and its live quote is read at the moment a swap is built, so a trade into or out of anything it lists on Base is floored at the desk's own answer and runs when a condition is met rather than when someone is at the keyboard.

A tokenized stock accumulated on a schedule at the desk's price. A position rotated into a major the moment it crosses a mark. An exact amount bought for a repayment by reading what it costs and paying exactly that.

The flow that already trades size on Base reaches for quoted liquidity first, because for a fixed size the best price is often the one a market maker is standing behind.