Block top - The block selection and duration of your blockchain (in blocks) on creation 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://kbookmarking.com/story20469570/the-definitive-guide-to-explorer-blockchain-ethereum-https-rentry-co-4vomqtzo