Restaked Swell ETH (RSWETH) is a cryptocurrency that aims to provide users with a way to earn passive income through staking their Ethereum (ETH) holdings. By participating in the Restaked platform, users can earn rewards by staking their ETH and receiving RSWETH tokens in return. The project focuses on creating a seamless staking experience for users, allowing them to easily stake their assets and earn rewards without the need for technical expertise.