A testnet is a blockchain designed to allow developers to experiment with decentralized applications (dapps) without deploying contracts to the main network.
A testnet uses test cryptocurrency, which has no real-world value.
The Uniswap Interface supports the following testnets:
The Uniswap Labs team has limited resources to support additional testnets and decides which ones to support based on their usage, security, and our team’s bandwidth to maintain them.