Block top - The block number and length from the blockchain (in blocks) on creation of the current block Nonce - The transaction variety for that from address (Remember this starts off at 0 so a nonce of a hundred would actually be the 101st transaction submitted by this account) https://ticketsbookmarks.com/story20217910/details-fiction-and-explorer-blockchain-ethereum-https-wikimapia-org-external-link-url-https-cryptoexplorerhub-com