Block top - The block number and size with the blockchain (in blocks) on creation of the current block Nonce - The transaction range with the from address (bear in mind this starts at 0 so a nonce of 100 would truly be the a hundred and first transaction submitted https://adsbookmark.com/story20770865/explorer-blockchain-base-an-overview-https-gaiaathome-eu-gaiaathome-show-user-php-userid-1577569