Block top - The block selection and length of the blockchain (in blocks) on creation of the current block Nonce - The transaction amount to the from address (Keep in mind this starts off at 0 so a nonce of one hundred would basically be the 101st transaction submitted by https://bookmarkcork.com/story21138951/blockchain-explorer-fundamentals-explained-https-www-webwiki-ch-cryptoexplorerhub-com