Block top - The block selection and duration of your blockchain (in blocks) on generation of the current block Nonce - The transaction quantity for your from address (Keep in mind this begins at 0 so a nonce of one hundred would truly be the a hundred and first transaction https://bookmarklayer.com/story20440593/getting-my-blockchain-explorer-ethereum-to-work-https-www-instapaper-com-p-16864836