Block top - The block selection and length from the blockchain (in blocks) on creation of the current block Nonce - The transaction quantity for the from address (bear in mind this begins at 0 so a nonce of one hundred would truly be the a hundred and first transaction https://mixbookmark.com/story6330096/everything-about-blockchain-explorer-https-numberfields-asu-edu-numberfields-show-user-php-userid-6240092