Block top - The block selection and length of the blockchain (in blocks) on creation of the current block Nonce - The transaction variety for your 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://xyzbookmarks.com/story20535513/top-guidelines-of-eth-blockchain-explorer-https-escatter11-fullerton-edu-nfs-show-user-php-userid-9253086