【Lido launches Ethereum Staking SDK, supporting cross-chain staking function integration】According to Jinse Finance, Lido announced the release of the Ethereum Staking SDK, a TypeScript toolkit for building off-chain integrations. This SDK enables developers to seamlessly integrate Lido staking functions into off-chain applications, providing core functions such as staking, reward tracking, withdrawals, and packaging. The newly released SDK features multi-chain support, allowing for staking/un-staking operations on networks like OP Mainnet without cross-chain requirements. This tool includes pre-built methods and complete documentation, suitable for developing DeFi protocols, dashboards, or new staking products.