Uniswap Labs recently announced the launch of UniChain, an Ethereum Layer2 network based on OP Stack, and has launched a testnet. This move was misunderstood by some community members as Uniswap "defecting" from Ethereum, but in fact, UniChain was launched to solve some challenges in the DeFi field, such as high costs and inefficient cross-chain liquidity.

The creation of UniChain is not a departure from Ethereum, but to further optimize the user experience by building a customized Layer2 network. Although Ethereum co-founder Vitalik Buterin has expressed opposition to the concept of UniChain in the past, believing that it makes more sense to replicate Uniswap's model on each Rollup, the situation has changed with the development of Layer2 technology.

Hayden Adams, founder of Uniswap, made it clear that the expansion of Layer2 is beneficial to the Ethereum ecosystem. The Ethereum mainnet is still the main battlefield for Uniswap, and UniChain provides Uniswap with more tools to deal with future challenges. The launch of UniChain, including plans to stop issuing new SUSHI tokens, is intended to consolidate token value and enhance holder confidence, which shows Uniswap's active development in the DeFi field and its emphasis on community participation.

Overall, UniChain is a positive contribution of Uniswap to the Ethereum ecosystem, aiming to promote the development of Ethereum and DeFi by providing faster and cheaper transactions and enhancing cross-chain liquidity.