Ethereum staking is a process that allows users to participate in the network's security and earn rewards by locking up their ETH as collateral. This system is based on the Proof of Stake (PoS) consensus mechanism, which replaced the older Proof of Work (PoW) model during the Ethereum Merge in https://ethereum-staking.tech/how-ethereum-staking-works-understanding-the-proof-of-stake-mechanism.png