The article delves into the Restaking ecosystem and its innovative applications in the cryptocurrency domain, particularly focusing on the EigenLayer project. Restaking allows users to re-stake their already staked ETH or Liquidity Staking Tokens (LST) for additional earnings, supporting emerging projects and protocols. As an infrastructure protocol, EigenLayer enables the security of Ethereum to be inherited and utilized by other networks, driving innovation and enhancing capital efficiency. The article also discusses the main advantages and potential risks of Restaking, as well as its possible impact on the future Web3 ecosystem, including innovations in MEV management, decentralized AI, and zero-knowledge proof verification.