In the realm of cryptocurrencies, staking has emerged as a pivotal concept, reshaping the landscape of blockchain networks and providing investors with innovative ways to participate in the ecosystem. This chapter aims to delve into the fundamentals of staking, elucidating its underlying principles, mechanisms, and significance within the crypto space. Crypto lending involves the act of loaning digital assets to borrowers in exchange for interest payments. Unlike traditional lending, which typically involves intermediaries such as banks, crypto lending operates on decentralized platforms that connect lenders directly with borrowers. Lenders deposit their cryptocurrency holdings into lending platforms, where they are made available for borrowing by individuals or institutions in need of liquidity.