A consensus mechanism where validators are chosen to create new blocks and validate transactions based on the number of tokens they hold and are willing to "stake" as collateral.
A consensus mechanism used by some blockchains where miners compete to solve complex mathematical problems to validate transactions and create new blocks.
An overlaying network built on top of a Layer 1 blockchain to improve scalability and efficiency, such as the Lightning Network on Bitcoin or Optimism on Ethereum.
A blockchain where access to the network is restricted to specific participants, providing controlled and secure environments for business applications.