Key Takeaways Uniswap, a DeFi protocol founded in 2018 by former mechanical engineer Hayden Adams. The Uniswap exchange is a 100% on-chain automated market maker (AMM) protocol on the Ethereum blockchain. The AMM allows DeFi users to swap ether (ETH) for any ERC-20 token without intermediaries, solving many liquidity problems most exchanges face. Uniswap’s unique features