Address: A unique identifier for a wallet or smart contract on the blockchain.Block: A group of transactions that have been verified and added to the blockchain.Block Height: The number of blocks in the chain between any given block and the first block (genesis block).Contract: Also known as a smart contract, it’s a self-executing program stored on the blockchain.Gas: The unit of measure for the computational work required to execute transactions or smart contracts on Ethereum.Gas Price: The amount of cryptocurrency you’re willing to pay per unit of gas for a transaction.Hash: A unique fixed-length string of characters that represents data. In blockchain, it’s used to identify blocks and transactions.Miner/Validator: Entities that verify and add new transactions to the blockchain.Nonce: A number used once, typically to verify the uniqueness of transactions.Pending Transaction: A transaction that has been broadcast to the network but not yet included in a block.Token: A type of cryptocurrency that represents a tradable asset or utility and is often built on top of an existing blockchain.Transaction: The transfer of cryptocurrency or data between addresses on the blockchain.Transaction Fee: The cost to process a transaction on the blockchain, typically paid to the chain miners or validators.Wallet: A tool that allows users to store, send, and receive cryptocurrency.Note: Specific terms may vary slightly depending on the blockchain network and the block explorer being used.