According to official news, Uniswap Labs has announced that the Layer 2 network Unichain mainnet is live, allowing users and developers to build and use an ecosystem of DeFi apps and tools on Unichain. Nearly 100 crypto products and protocols, including Uniswap, Circle, Coinbase, Lido, and Morpho, are already built on Unichain - many of which are live today, with more to come in the coming weeks.