Block top - The block number and length on the blockchain (in blocks) on development of the present block Nonce - The transaction range with the from address (Remember this starts off at 0 so a nonce of a hundred would actually be the one hundred and first transaction submitted https://iowa-bookmarks.com/story16182375/explorer-blockchain-base-an-overview-https-www-webwiki-co-uk-cryptoexplorerhub-com