Uniswap is a pioneer among decentralized exchanges that launched the concept of an automated market maker (AMM) in 2018. The protocol allows anyone to create liquidity pools and swap tokens without intermediaries. Uniswap V3 introduced concentrated liquidity, giving liquidity providers greater capital efficiency. The platform operates on Ethereum, Arbitrum, Optimism, Polygon, Base and other networks, processing billions of dollars in daily trading volume.

Advantages

• Largest liquidity among DEXes
• Support for dozens of blockchains
• Open source code and audited smart contracts
• Concentrated liquidity in V3 for higher yields

Disadvantages

• High gas fees on Ethereum mainnet
• Impermanent loss risk for liquidity providers
• Complex interface for beginners

Security

• Multiple audits by Trail of Bits, OpenZeppelin and others
• Non-custodial protocol — funds remain in smart contracts
• Bug bounty program with rewards up to $3M