3/4 🔨 Use UMA to build a zero-slippage gas-less optimistic DEX, where assets are swapped within a smart contract based on orders published by users, but bundled and executed on-chain by relayers.
3/4 🔨 使用 UMA 构建零滑点、无气体乐观 DEX，其中资产根据用户发布的订单在智能合约内进行交换，但由中继器捆绑并在链上执行。