Block top - The block number and length in the blockchain (in blocks) on development of the present block Nonce - The transaction range with the from address (bear in mind this starts at 0 so a nonce of 100 would really be the 101st transaction submitted by this account) https://bookmarkuse.com/story20060548/facts-about-blockchain-explorer-confirmed-transactions-revealed-https-gaiaathome-eu-gaiaathome-show-user-php-userid-1577569