Update glossary.rst

input-output-hk · Jul 1, 2020 · 47a3a22 · 47a3a22
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@@ -39,6 +39,8 @@ Cardano Glossary
      - the consensus protocol underlying Cardano. There are several different implementations including Classic, Praos, Genesis, and more recently Hydra for scalability.
    * - peer discovery
      - the process by which nodes find each other on the network and initiate contact.
+   * - performance
+     - a measure of the efficency of a stake pool, given as a percentage, is measured by how many blocks the stake pool has produced (and that are recorded on the main chain) compared to how many it was nominated to produce. For example, if a pool only produces half the number of blocks that it was nominated for, its performance rating is 50%. This could happen because the pool has a poor network connection, or has been turned off by its operator. Performance ratings make more sense over a longer period of time.
    * - proof of stake
      - a type of consensus mechanism used to reach agreement on records in the blockchain. It ensures distributed consensus based on the stake, or wealth, that is held by participants in the system. This stake is used as the main resource to determine the participant’s power in the system for maintaining the ledger.
    * - reward