Block top - The block quantity and size of your blockchain (in blocks) on creation of the current block Nonce - The transaction number with the from address (Remember this starts off at 0 so a nonce of a hundred would basically be the one hundred and first transaction submitted https://bookmarkworm.com/story20453866/blockchain-explorer-fundamentals-explained-https-www-pdc-edu-url-https-cryptoexplorerhub-com