Block top - The block number and length in the blockchain (in blocks) on development of the current block Nonce - The transaction amount to the from address (Keep in mind this starts at 0 so a nonce of 100 would essentially be the a hundred and first transaction submitted https://sites2000.com/story10259671/the-ultimate-guide-to-eth-blockchain-explorer-https-wikimapia-org-external-link-url-https-cryptoexplorerhub-com