Uniswap Labs has launched Unichain to enhance DeFi by offering faster, cheaper, and more efficient transactions across multiple chains.Unichain aims to lower transaction costs by about 95% by moving transaction processing to its Layer 2 (L2).The protocol will introduce faster block times and sub-blocks to make transactions feel instant and prevent front-running.Unichain will enable seamless access to all chains and improve cross-chain communication for easy swapping between different chains.