Block height - The block quantity and length in the blockchain (in blocks) on development of the present block Nonce - The transaction selection with the from address (Remember this starts off at 0 so a nonce of a hundred would actually be the 101st transaction submitted by this account) https://getsocialsource.com/story6114926/5-simple-statements-about-blockchain-explorer-solana-explained-https-kearns-horn-hubstack-net-monitoring-transfers-how-distributed-ledger-analyzers-work