Uniswap V2 already supports 6 chains including Arbitrum, Polygon, and Base

According to official sources, Uniswap V2 has been launched on six blockchains including Arbitrum, Polygon, Optimism, Base, Binance Smart Chain, and Avalanche. Users can seamlessly exchange tokens and provide liquidity on all supported chains directly through the Uniswap page. As V2 and V3 are available on all supported networks, users can choose to use the simpler V2 or the more advanced V3 depending on their needs.