Block top - The block number and length from the blockchain (in blocks) on creation of the current block Nonce - The transaction amount to the from address (Remember this starts off at 0 so a nonce of a hundred would basically be the one hundred and first transaction submitted https://bookmarksoflife.com/story6022774/5-simple-statements-about-blockchain-explorer-solana-explained-https-independent-academia-edu-drewandreassen4