--- title: "blockchain-terms" tags: --- **Hyperledger: An organisation made up of industry leaders who are helping to develop various permissioned blockchain framworks** **Smart Contracts:** Within ethereum a smart contract is a type of account which had storage and code **Consensus:** **Sybil Attack:** **Transaction Finality:** **Common Pool Resource (CPR):** **UTXO unspent transaction output:** The original method of record keeping in a blockchain where there are no "accounts" at the protocol layer, and coins are stored as unspent transaction outputs (UTXOs). The alternative which is used by ethereum, tron, etc are Account-based blockchains **:** **:** **:** **:** **:** **:** **:** **:** **:** **:** **:** **:** **:** **:** **:** **:** **:** **:** **:** **:**