Block top - The block number and length from the blockchain (in blocks) on creation of the current block Nonce - The transaction amount to the from address (Keep in mind this begins at 0 so a nonce of 100 would truly be the a hundred and first transaction submitted https://xyzbookmarks.com/story20191019/blockchain-explorer-fundamentals-explained-https-www-pdc-edu-url-https-cryptoexplorerhub-com