Which network does Uniswap use?

Could you please clarify which network Uniswap utilizes for its decentralized exchange platform? As a decentralized finance (DeFi) protocol, Uniswap operates on a blockchain network that facilitates peer-to-peer trading of tokens without intermediaries. Understanding the underlying network is crucial for traders and investors alike, as it impacts transaction speed, security, and overall user experience. So, which blockchain network does Uniswap leverage to power its exchange services?