A DeFi staking platform allows users to lock up their cryptocurrency to support blockchain network operations, such as transaction validation, in exchange for rewards. By staking tokens, users contribute to the security and decentralization of the network while earning passive income through staking rewards. These platforms operate on decentralized protocols, ensuring transparency and eliminating intermediaries. DeFi staking platforms often offer competitive interest rates, liquidity options, and low fees compared to traditional centralized platforms, providing users with an accessible and profitable method of earning returns.