Uniswap targets arbitrage value with new v4 hook

Uniswap Labs has launched StablePair Hook with two Ethereum pools after stablecoin swaps on Uniswap reached $43.4 billion during the second quarter. Summary Uniswap Labs has launched StablePair Hook with USDC/USDT and USDC/USDG pools on Ethereum mainnet initially. The hook calculates liquidity provider fees from price distance and each swap’s trading direction automatically. Corrective swaps outside the configured band face fees that decline with every new block thereafter. OpenZeppelin found one high-severity issue during review and Uniswap says the flaw was fixed later. Governance can update fee settings and implementation code without requiring liquidity providers to migrate pools. Uniswap Labs said on Sept. 10 that the Uniswap v4 tool replaces a static liquidity provider fee with a fee calculated for every swap. The first pools pair USDC with USDT and Global Dollar, or USDG. Both pools use a reference rate of 1:1. The system measures how far the pool price has moved from that rate and whether a proposed transaction pushes the price closer to or farther from it. The company says the mechanism gives liquidity providers a larger share of the value generated when traders correct pr...