A penalty mechanism in Proof of StakeProof of Stake A consensus mechanism where validators are selected based on the number of tokens they hold and are willing to "stake" as collateral. networks where a portion of a validatorValidator A participant in a Proof of Stake network responsible for validating transactions and securing the network.A participant in a Proof of Stake network responsible for validating transactions and securing the network.’s staked tokens is taken away for malicious behavior or failure to perform their duties.