Block top - The block selection and size in the blockchain (in blocks) on development of the present block Nonce - The transaction range with the from address (Remember this starts off at 0 so a nonce of a hundred would basically be the 101st transaction submitted by this account) https://ezmarkbookmarks.com/story20480126/top-guidelines-of-eth-blockchain-explorer-https-cuwip-ucsd-edu-members-georgeuncle0-activity-1839979