Block top - The block selection and duration of the blockchain (in blocks) on development of the present block Nonce - The transaction selection with the from address (bear in mind this starts off at 0 so a nonce of a hundred would actually be the 101st transaction submitted by https://kingslists.com/story22035251/top-guidelines-of-eth-blockchain-explorer-https-articlescad-com-the-remarkable-adventurers-in-the-cyber-frontier-grasping-distributed-ledger-instruments-325096-html