Uniswap, a renowned decentralized exchange, has become the first DeFi protocol to yield over $1 billion in fees for liquidity providers ever since its launch in November 2018. The head of research at crypto data aggregator IntoTheBlock, Lucas Outumuro, tweeted a chart that illustrated the cumulative fee revenue from Uniswap's v2 and v3 Ethereum mainnet deployments, exceeding $1 billion.