Block top - The block quantity and size from the blockchain (in blocks) on generation of the current block Nonce - The transaction variety with the from address (Keep in mind this begins at 0 so a nonce of 100 would essentially be the 101st transaction submitted by this account) https://letsbookmarkit.com/story20655441/getting-my-blockchain-explorer-ethereum-to-work-https-gaiaathome-eu-gaiaathome-show-user-php-userid-1577569