Lido Staked Ether (STETH) is a cryptocurrency that represents staked Ether on the Ethereum network. Users can stake their Ether through the Lido platform to earn rewards while maintaining liquidity and flexibility to trade their STETH tokens. STETH provides a way for investors to participate in Ethereum’s staking process without having to directly stake their own Ether. It is designed to help increase the overall security and efficiency of the Ethereum network.