Uniswap is a protocol for exchanging ERC-20 tokens on Ethereum. It eliminates trusted intermediaries and unnecessary forms of rent extraction, allowing for fast, efficient trading. Where it makes tradeoffs decentralization, censorship resistance, and security are prioritized. Uniswap is open-source software licensed under GPL.
Uniswap is a decentralized protocol for automated liquidity provision on Ethereum. With the release of their token, they decided to airdrop 400 UNI tokens to all ETH-Address, who have ever called the Uniswap v1 or v2 contracts, based on a snapshot ending September 1, 2020, at 12:00 am UTC. This includes ~12,000 addresses that have only submitted failed transactions.